SessionImpl (Hibernate API Documentation) - Hibernate 3.2.3 正式版 API 英文文档

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org.hibernate.impl
Class SessionImpl

java.lang.Object
  org.hibernate.impl.AbstractSessionImpl
      org.hibernate.impl.SessionImpl

All Implemented Interfaces:: EventSource, JDBCContext.Context, Serializable, Session, Session, SessionImplementor, TransactionFactory.Context

public final class SessionImpl
extends AbstractSessionImpl
implements EventSource, Session, JDBCContext.Context

Concrete implementation of a Session, and also the central, organizing component of Hibernate's internal implementation. As such, this class exposes two interfaces; Session itself, to the application, and SessionImplementor, to other components of Hibernate. This class is not threadsafe.

Author:: Gavin King
See Also:: Serialized Form

Field Summary

Fields inherited from class org.hibernate.impl.AbstractSessionImpl

factory

Method Summary

void afterOperation(boolean success)
          Check if there is a Hibernate or JTA transaction in progress and, if there is not, flush if necessary, make sure the connection has been committed (if it is not in autocommit mode) and run the after completion processing

void afterScrollOperation()


void afterTransactionBegin(Transaction tx)
          We cannot rely upon this method being called! It is only called if we are using Hibernate Transaction API.

void afterTransactionCompletion(boolean success, Transaction tx)
          Notify the session that the transaction completed, so we no longer own the old locks.

protected boolean autoFlushIfRequired(Set querySpaces)
          detect in-memory changes, determine if the changes are to tables named in the query and, if so, complete execution the flush

void beforeTransactionCompletion(Transaction tx)
          Notify the session that the transaction is about to complete

Transaction beginTransaction()
          Begin a unit of work and return the associated Transaction object.

String bestGuessEntityName(Object object)
          The best guess entity name for an entity not in an association

void cancelQuery()
          Cancel the execution of the current query.

void clear()
          Completely clear the session.

Connection close()
          End the session by releasing the JDBC connection and cleaning up.

Connection connection()
          Get the JDBC connection of this Session.

If the session is using aggressive collection release (as in a CMT environment), it is the application's responsibility to close the connection returned by this call.

boolean contains(Object object)
          Check if this instance is associated with this Session.

Criteria createCriteria(Class persistentClass)
          Create a new Criteria instance, for the given entity class, or a superclass of an entity class.

Criteria createCriteria(Class persistentClass, String alias)
          Create a new Criteria instance, for the given entity class, or a superclass of an entity class, with the given alias.

Criteria createCriteria(String entityName)
          Create a new Criteria instance, for the given entity name.

Criteria createCriteria(String entityName, String alias)
          Create a new Criteria instance, for the given entity name, with the given alias.

Query createFilter(Object collection, String queryString)
          Create a new instance of Query for the given collection and filter string.

Query createQuery(String queryString)
          Create a new instance of Query for the given HQL query string.

SQLQuery createSQLQuery(String sql)
          Create a new instance of SQLQuery for the given SQL query string.

Query createSQLQuery(String sql, String[] returnAliases, Class[] returnClasses)
          Create a new instance of Query for the given SQL string.

Query createSQLQuery(String sql, String returnAlias, Class returnClass)
          Create a new instance of Query for the given SQL string.

void delete(Object object)
          Delete a persistent object

int delete(String query)
          Delete all objects returned by the query.

void delete(String entityName, Object object)
          Delete a persistent object (by explicit entity name)

int delete(String query, Object[] values, Type[] types)
          Delete all objects returned by the query.

void delete(String entityName, Object object, boolean isCascadeDeleteEnabled, Set transientEntities)
          Delete a persistent object

int delete(String query, Object value, Type type)
          Delete all objects returned by the query.

void disableFilter(String filterName)
          Disable the named filter for the current session.

Connection disconnect()
          Disconnect the Session from the current JDBC connection.

Filter enableFilter(String filterName)
          Enable the named filter for this current session.

void evict(Object object)
          remove any hard references to the entity that are held by the infrastructure (references held by application or other persistant instances are okay)

int executeNativeUpdate(NativeSQLQuerySpecification nativeQuerySpecification, QueryParameters queryParameters)
          Execute a native SQL update or delete query

int executeUpdate(String query, QueryParameters queryParameters)
          Execute a HQL update or delete query

Collection filter(Object collection, String filter)
          Apply a filter to a persistent collection.

Collection filter(Object collection, String filter, Object[] values, Type[] types)
          Apply a filter to a persistent collection.

Collection filter(Object collection, String filter, Object value, Type type)
          Apply a filter to a persistent collection.

List find(String query)
          Retrieve a list of persistent objects using a hibernate query

List find(String query, Object[] values, Type[] types)
          Execute a query with bind parameters, binding an array of values to "?" parameters in the query string.

List find(String query, Object value, Type type)
          Execute a query with bind parameters, binding a value to a "?" parameter in the query string.

void flush()
          Force this session to flush.

void forceFlush(EntityEntry entityEntry)
          Force an immediate flush

Object get(Class entityClass, Serializable id)
          Return the persistent instance of the given entity class with the given identifier, or null if there is no such persistent instance.

Object get(Class entityClass, Serializable id, LockMode lockMode)
          Return the persistent instance of the given entity class with the given identifier, or null if there is no such persistent instance.

Object get(String entityName, Serializable id)
          Return the persistent instance of the given named entity with the given identifier, or null if there is no such persistent instance.

Object get(String entityName, Serializable id, LockMode lockMode)
          Return the persistent instance of the given entity class with the given identifier, or null if there is no such persistent instance.

ActionQueue getActionQueue()
          Get the ActionQueue for this session

Batcher getBatcher()
          Get the prepared statement Batcher for this session

CacheMode getCacheMode()
          Get the current cache mode.

ConnectionReleaseMode getConnectionReleaseMode()


Serializable getContextEntityIdentifier(Object object)
          Get the id value for an object that is actually associated with the session.

LockMode getCurrentLockMode(Object object)
          Determine the current lock mode of the given object.

int getDontFlushFromFind()


Filter getEnabledFilter(String filterName)
          Retrieve a currently enabled filter by name.

Map getEnabledFilters()
          Return the currently enabled filters.

EntityMode getEntityMode()
          Retrieve the entity mode in effect for this session.

String getEntityName(Object object)
          Return the entity name for a persistent entity

EntityPersister getEntityPersister(String entityName, Object object)
          Get the EntityPersister for any instance

Object getEntityUsingInterceptor(EntityKey key)
          Get the entity instance associated with the given Key, calling the Interceptor if necessary

String getFetchProfile()


Type getFilterParameterType(String filterParameterName)
          Retreive the type for a given filter parrameter.

Object getFilterParameterValue(String filterParameterName)
          Retreive the currently set value for a filter parameter.

FlushMode getFlushMode()
          Get the current flush mode for this session.

Serializable getIdentifier(Object object)
          Return the identifier value of the given entity as associated with this session.

Interceptor getInterceptor()
          Retrieves the interceptor currently in use by this event source.

JDBCContext getJDBCContext()


EventListeners getListeners()
          Retrieves the configured event listeners from this event source.

Query getNamedQuery(String queryName)
          Get a Query instance for a named query or named native SQL query

PersistenceContext getPersistenceContext()
          Get the persistence context for this session

Session getSession(EntityMode entityMode)
          Starts a new Session with the given entity mode in effect.

SessionFactory getSessionFactory()
          Get the session factory which created this session.

SessionStatistics getStatistics()
          Get the statistics for this session.

long getTimestamp()
          System time before the start of the transaction

Transaction getTransaction()
          Get the Transaction instance associated with this session.

String guessEntityName(Object object)
          The guessed entity name for an entity not in an association

Object immediateLoad(String entityName, Serializable id)
          Load the data for the object with the specified id into a newly created object.

void initializeCollection(PersistentCollection collection, boolean writing)
          Initialize the collection (if not already initialized)

Object instantiate(EntityPersister persister, Serializable id)
          give the interceptor an opportunity to override the default instantiation

Object instantiate(String entityName, Serializable id)
          Instantiate the entity class, initializing with the given identifier

Object internalLoad(String entityName, Serializable id, boolean eager, boolean nullable)
          Load an instance without checking if it was deleted.

boolean isAutoCloseSessionEnabled()


boolean isConnected()
          Check if the session is currently connected.

boolean isDirty()
          Does this session contain any changes which must be synchronized with the database? In other words, would any DML operations be executed if we flushed this session?

boolean isEventSource()


boolean isFlushBeforeCompletionEnabled()


boolean isFlushModeNever()


boolean isOpen()
          Check if the session is still open.

boolean isTransactionInProgress()
          Does this Session have an active Hibernate transaction or is there a JTA transaction in progress?

Iterator iterate(String query)
          Execute a query and return the results in an iterator.

Iterator iterate(String query, Object[] values, Type[] types)
          Execute a query and return the results in an iterator.

Iterator iterate(String query, Object value, Type type)
          Execute a query and return the results in an iterator.

Iterator iterate(String query, QueryParameters queryParameters)
          Execute an iterate() query

Iterator iterateFilter(Object collection, String filter, QueryParameters queryParameters)
          Iterate a filter

List list(CriteriaImpl criteria)
          Execute a criteria query

List list(String query, QueryParameters queryParameters)
          Execute a find() query

List listCustomQuery(CustomQuery customQuery, QueryParameters queryParameters)
          Execute an SQL Query

List listFilter(Object collection, String filter, QueryParameters queryParameters)
          Execute a filter

Object load(Class entityClass, Serializable id)
          Return the persistent instance of the given entity class with the given identifier, assuming that the instance exists.

Object load(Class entityClass, Serializable id, LockMode lockMode)
          Return the persistent instance of the given entity class with the given identifier, obtaining the specified lock mode, assuming the instance exists.

void load(Object object, Serializable id)
          Read the persistent state associated with the given identifier into the given transient instance.

Object load(String entityName, Serializable id)
          Return the persistent instance of the given entity class with the given identifier, assuming that the instance exists.

Object load(String entityName, Serializable id, LockMode lockMode)
          Return the persistent instance of the given entity class with the given identifier, obtaining the specified lock mode, assuming the instance exists.

void lock(Object object, LockMode lockMode)
          Obtain the specified lock level upon the given object.

void lock(String entityName, Object object, LockMode lockMode)
          Obtain the specified lock level upon the given object.

void managedClose()


void managedFlush()


Object merge(Object object)
          Copy the state of the given object onto the persistent object with the same identifier.

Object merge(String entityName, Object object)
          Copy the state of the given object onto the persistent object with the same identifier.

void merge(String entityName, Object object, Map copiedAlready)
          Cascade merge an entity instance

void persist(Object object)
          Make a transient instance persistent.

void persist(String entityName, Object object)
          Make a transient instance persistent.

void persist(String entityName, Object object, Map copiedAlready)
          Cascade persist an entity instance

void persistOnFlush(Object object)


void persistOnFlush(String entityName, Object object)


void persistOnFlush(String entityName, Object object, Map copiedAlready)
          Cascade persist an entity instance during the flush process

void reconnect()
          Obtain a new JDBC connection.

void reconnect(Connection conn)
          Reconnect to the given JDBC connection.

void refresh(Object object)
          Re-read the state of the given instance from the underlying database.

void refresh(Object object, LockMode lockMode)
          Re-read the state of the given instance from the underlying database, with the given LockMode.

void refresh(Object object, Map refreshedAlready)
          Cascade refesh an entity instance

void replicate(Object obj, ReplicationMode replicationMode)
          Persist the state of the given detached instance, reusing the current identifier value.

void replicate(String entityName, Object obj, ReplicationMode replicationMode)
          Persist the state of the given detached instance, reusing the current identifier value.

Serializable save(Object obj)
          Persist the given transient instance, first assigning a generated identifier.

void save(Object obj, Serializable id)
          Persist the given transient instance, using the given identifier.

Serializable save(String entityName, Object object)
          Persist the given transient instance, first assigning a generated identifier.

void save(String entityName, Object object, Serializable id)
          Persist the given transient instance, using the given identifier.

void saveOrUpdate(Object object)
          Either save(Object) or update(Object) the given instance, depending upon resolution of the unsaved-value checks (see the manual for discussion of unsaved-value checking).

void saveOrUpdate(String entityName, Object obj)
          Either save(String, Object) or update(String, Object) the given instance, depending upon resolution of the unsaved-value checks (see the manual for discussion of unsaved-value checking).

Object saveOrUpdateCopy(Object object)
          Copy the state of the given object onto the persistent object with the same identifier.

Object saveOrUpdateCopy(Object object, Serializable id)
          Copy the state of the given object onto the persistent object with the given identifier.

Object saveOrUpdateCopy(String entityName, Object object)
          Copy the state of the given object onto the persistent object with the same identifier.

void saveOrUpdateCopy(String entityName, Object object, Map copiedAlready)
          Cascade copy an entity instance

Object saveOrUpdateCopy(String entityName, Object object, Serializable id)
          Copy the state of the given object onto the persistent object with the given identifier.

ScrollableResults scroll(CriteriaImpl criteria, ScrollMode scrollMode)
          Execute a criteria query

ScrollableResults scroll(String query, QueryParameters queryParameters)
          Execute a scroll() query

ScrollableResults scrollCustomQuery(CustomQuery customQuery, QueryParameters queryParameters)
          Execute an SQL Query

void setAutoClear(boolean enabled)
          Enable/disable automatic cache clearing from after transaction completion (for EJB3)

void setCacheMode(CacheMode cacheMode)
          Set the cache mode.

void setFetchProfile(String fetchProfile)


void setFlushMode(FlushMode flushMode)
          Set the flush mode for this session.

void setReadOnly(Object entity, boolean readOnly)
          Set an unmodified persistent object to read only mode, or a read only object to modifiable mode.

boolean shouldAutoClose()


String toString()


void update(Object obj)
          Update the persistent instance with the identifier of the given detached instance.

void update(Object obj, Serializable id)
          Update the persistent state associated with the given identifier.

void update(String entityName, Object object)
          Update the persistent instance with the identifier of the given detached instance.

void update(String entityName, Object object, Serializable id)
          Update the persistent state associated with the given identifier.

Methods inherited from class org.hibernate.impl.AbstractSessionImpl

errorIfClosed, getFactory, getHQLQueryPlan, getNamedSQLQuery, getNativeSQLQueryPlan, isClosed, list, scroll, setClosed

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.hibernate.engine.SessionImplementor

getFactory, getNamedSQLQuery, isClosed, list, scroll

Methods inherited from interface org.hibernate.transaction.TransactionFactory.Context

getFactory, isClosed

Method Detail

getSession

public Session getSession(EntityMode entityMode)

Description copied from interface: Session

Starts a new Session with the given entity mode in effect. This secondary Session inherits the connection, transaction, and other context information from the primary Session. It doesn't need to be flushed or closed by the developer.

Specified by:: getSession in interface Session

Parameters:: entityMode - The entity mode to use for the new session.
Returns:: The new session

clear

public void clear()

Description copied from interface: Session

Completely clear the session. Evict all loaded instances and cancel all pending saves, updates and deletions. Do not close open iterators or instances of ScrollableResults.

Specified by:: clear in interface Session

getBatcher

public Batcher getBatcher()

Description copied from interface: SessionImplementor

Get the prepared statement Batcher for this session

Specified by:: getBatcher in interface SessionImplementor

getTimestamp

public long getTimestamp()

Description copied from interface: SessionImplementor

System time before the start of the transaction

Specified by:: getTimestamp in interface SessionImplementor

close

public Connection close()
                 throws HibernateException

Description copied from interface: Session

End the session by releasing the JDBC connection and cleaning up. It is not strictly necessary to close the session but you must at least Session.disconnect() it.

Specified by:: close in interface Session

Returns:: the connection provided by the application or null.
Throws:: HibernateException - Indicates problems cleaning up.

getConnectionReleaseMode

public ConnectionReleaseMode getConnectionReleaseMode()

Specified by:: getConnectionReleaseMode in interface JDBCContext.Context

isAutoCloseSessionEnabled

public boolean isAutoCloseSessionEnabled()

Specified by:: isAutoCloseSessionEnabled in interface JDBCContext.Context

isOpen

public boolean isOpen()

Description copied from interface: Session

Check if the session is still open.

Specified by:: isOpen in interface SessionImplementor

isFlushModeNever

public boolean isFlushModeNever()

Specified by:: isFlushModeNever in interface TransactionFactory.Context

isFlushBeforeCompletionEnabled

public boolean isFlushBeforeCompletionEnabled()

Specified by:: isFlushBeforeCompletionEnabled in interface TransactionFactory.Context

managedFlush

public void managedFlush()

Specified by:: managedFlush in interface TransactionFactory.Context

shouldAutoClose

public boolean shouldAutoClose()

Specified by:: shouldAutoClose in interface TransactionFactory.Context

managedClose

public void managedClose()

Specified by:: managedClose in interface TransactionFactory.Context

connection

public Connection connection()
                      throws HibernateException

Description copied from interface: Session

Get the JDBC connection of this Session.

If the session is using aggressive collection release (as in a CMT environment), it is the application's responsibility to close the connection returned by this call. Otherwise, the application should not close the connection.

Specified by:: connection in interface SessionImplementor

Throws:: HibernateException

isConnected

public boolean isConnected()

Description copied from interface: Session

Check if the session is currently connected.

Specified by:: isConnected in interface SessionImplementor

isTransactionInProgress

public boolean isTransactionInProgress()

Description copied from interface: SessionImplementor

Does this Session have an active Hibernate transaction or is there a JTA transaction in progress?

Specified by:: isTransactionInProgress in interface SessionImplementor

disconnect

public Connection disconnect()
                      throws HibernateException

Description copied from interface: Session

Disconnect the Session from the current JDBC connection. If the connection was obtained by Hibernate close it and return it to the connection pool; otherwise, return it to the application.

This is used by applications which supply JDBC connections to Hibernate and which require long-sessions (or long-conversations)

Note that disconnect() called on a session where the connection was retrieved by Hibernate through its configured ConnectionProvider has no effect, provided ConnectionReleaseMode.ON_CLOSE is not in effect.

Specified by:: disconnect in interface Session

Returns:: the application-supplied connection or null
Throws:: HibernateException
See Also:: Session.reconnect(Connection), Session.reconnect()

reconnect

public void reconnect()
               throws HibernateException

Description copied from interface: Session

Obtain a new JDBC connection. This is used by applications which require long transactions and do not supply connections to the session.

Specified by:: reconnect in interface Session

Throws:: HibernateException
See Also:: Session.disconnect()

reconnect

public void reconnect(Connection conn)
               throws HibernateException

Description copied from interface: Session

Reconnect to the given JDBC connection. This is used by applications which require long transactions and use application-supplied connections.

Specified by:: reconnect in interface Session

Parameters:: conn - a JDBC connection
Throws:: HibernateException
See Also:: Session.disconnect()

beforeTransactionCompletion

public void beforeTransactionCompletion(Transaction tx)

Description copied from interface: SessionImplementor

Notify the session that the transaction is about to complete

Specified by:: beforeTransactionCompletion in interface SessionImplementor

setAutoClear

public void setAutoClear(boolean enabled)

Description copied from interface: SessionImplementor

Enable/disable automatic cache clearing from after transaction completion (for EJB3)

Specified by:: setAutoClear in interface SessionImplementor

afterOperation

public void afterOperation(boolean success)

Check if there is a Hibernate or JTA transaction in progress and, if there is not, flush if necessary, make sure the connection has been committed (if it is not in autocommit mode) and run the after completion processing

afterTransactionCompletion

public void afterTransactionCompletion(boolean success,
                                       Transaction tx)

Description copied from interface: SessionImplementor

Notify the session that the transaction completed, so we no longer own the old locks. (Also we should release cache softlocks.) May be called multiple times during the transaction completion process. Also called after an autocommit, in which case the second argument is null.

Specified by:: afterTransactionCompletion in interface SessionImplementor

getCurrentLockMode

public LockMode getCurrentLockMode(Object object)
                            throws HibernateException

Description copied from interface: Session

Determine the current lock mode of the given object.

Specified by:: getCurrentLockMode in interface Session

Parameters:: object - a persistent instance
Returns:: the current lock mode
Throws:: HibernateException

getEntityUsingInterceptor

public Object getEntityUsingInterceptor(EntityKey key)
                                 throws HibernateException

Description copied from interface: SessionImplementor

Get the entity instance associated with the given Key, calling the Interceptor if necessary

Specified by:: getEntityUsingInterceptor in interface SessionImplementor

Throws:: HibernateException

saveOrUpdate

public void saveOrUpdate(Object object)
                  throws HibernateException

Description copied from interface: Session

Either Session.save(Object) or Session.update(Object) the given instance, depending upon resolution of the unsaved-value checks (see the manual for discussion of unsaved-value checking).

This operation cascades to associated instances if the association is mapped with cascade="save-update".

Specified by:: saveOrUpdate in interface Session

Parameters:: object - a transient or detached instance containing new or updated state
Throws:: HibernateException
See Also:: Session.save(Object), Session.update(Object)

saveOrUpdate

public void saveOrUpdate(String entityName,
                         Object obj)
                  throws HibernateException

Description copied from interface: Session

Either Session.save(String, Object) or Session.update(String, Object) the given instance, depending upon resolution of the unsaved-value checks (see the manual for discussion of unsaved-value checking).

This operation cascades to associated instances if the association is mapped with cascade="save-update".

Specified by:: saveOrUpdate in interface Session

Parameters:: entityName - The name of the entity; obj - a transient or detached instance containing new or updated state
Throws:: HibernateException
See Also:: Session.save(String,Object), Session.update(String,Object)

save

public void save(Object obj,
                 Serializable id)
          throws HibernateException

Description copied from interface: Session

Persist the given transient instance, using the given identifier. This operation cascades to associated instances if the association is mapped with cascade="save-update".

Specified by:: save in interface Session

Parameters:: obj - a transient instance of a persistent class; id - an unused valid identifier
Throws:: HibernateException

save

public Serializable save(Object obj)
                  throws HibernateException

Description copied from interface: Session

Persist the given transient instance, first assigning a generated identifier. (Or using the current value of the identifier property if the assigned generator is used.) This operation cascades to associated instances if the association is mapped with cascade="save-update".

Specified by:: save in interface Session

Parameters:: obj - a transient instance of a persistent class
Returns:: the generated identifier
Throws:: HibernateException

save

public Serializable save(String entityName,
                         Object object)
                  throws HibernateException

Description copied from interface: Session

Specified by:: save in interface Session

Parameters:: object - a transient instance of a persistent class
Returns:: the generated identifier
Throws:: HibernateException

save

public void save(String entityName,
                 Object object,
                 Serializable id)
          throws HibernateException

Description copied from interface: Session

Persist the given transient instance, using the given identifier. This operation cascades to associated instances if the association is mapped with cascade="save-update".

Specified by:: save in interface Session

Parameters:: object - a transient instance of a persistent class; id - an unused valid identifier
Throws:: HibernateException

update

public void update(Object obj)
            throws HibernateException

Description copied from interface: Session

Update the persistent instance with the identifier of the given detached instance. If there is a persistent instance with the same identifier, an exception is thrown. This operation cascades to associated instances if the association is mapped with cascade="save-update".

Specified by:: update in interface Session

Parameters:: obj - a detached instance containing updated state
Throws:: HibernateException

update

public void update(Object obj,
                   Serializable id)
            throws HibernateException

Description copied from interface: Session

Update the persistent state associated with the given identifier. An exception is thrown if there is a persistent instance with the same identifier in the current session. This operation cascades to associated instances if the association is mapped with cascade="save-update".

Specified by:: update in interface Session

Parameters:: obj - a detached instance containing updated state; id - identifier of persistent instance
Throws:: HibernateException

update

public void update(String entityName,
                   Object object)
            throws HibernateException

Description copied from interface: Session

Specified by:: update in interface Session

Parameters:: object - a detached instance containing updated state
Throws:: HibernateException

update

public void update(String entityName,
                   Object object,
                   Serializable id)
            throws HibernateException

Description copied from interface: Session

Specified by:: update in interface Session

Parameters:: object - a detached instance containing updated state; id - identifier of persistent instance
Throws:: HibernateException

lock

public void lock(String entityName,
                 Object object,
                 LockMode lockMode)
          throws HibernateException

Description copied from interface: Session

Obtain the specified lock level upon the given object. This may be used to perform a version check (LockMode.READ), to upgrade to a pessimistic lock (LockMode.UPGRADE), or to simply reassociate a transient instance with a session (LockMode.NONE). This operation cascades to associated instances if the association is mapped with cascade="lock".

Specified by:: lock in interface Session

Parameters:: object - a persistent or transient instance; lockMode - the lock level
Throws:: HibernateException

lock

public void lock(Object object,
                 LockMode lockMode)
          throws HibernateException

Description copied from interface: Session

Specified by:: lock in interface Session

Parameters:: object - a persistent or transient instance; lockMode - the lock level
Throws:: HibernateException

persist

public void persist(String entityName,
                    Object object)
             throws HibernateException

Description copied from interface: Session

Make a transient instance persistent. This operation cascades to associated instances if the association is mapped with cascade="persist".

The semantics of this method are defined by JSR-220.

Specified by:: persist in interface Session

Parameters:: object - a transient instance to be made persistent
Throws:: HibernateException

persist

public void persist(Object object)
             throws HibernateException

Description copied from interface: Session

Make a transient instance persistent. This operation cascades to associated instances if the association is mapped with cascade="persist".

The semantics of this method are defined by JSR-220.

Specified by:: persist in interface Session

Parameters:: object - a transient instance to be made persistent
Throws:: HibernateException

persist

public void persist(String entityName,
                    Object object,
                    Map copiedAlready)
             throws HibernateException

Description copied from interface: EventSource

Cascade persist an entity instance

Specified by:: persist in interface EventSource

Throws:: HibernateException

persistOnFlush

public void persistOnFlush(String entityName,
                           Object object)
                    throws HibernateException

Throws:: HibernateException

persistOnFlush

public void persistOnFlush(Object object)
                    throws HibernateException

Throws:: HibernateException

persistOnFlush

public void persistOnFlush(String entityName,
                           Object object,
                           Map copiedAlready)
                    throws HibernateException

Description copied from interface: EventSource

Cascade persist an entity instance during the flush process

Specified by:: persistOnFlush in interface EventSource

Throws:: HibernateException

merge

public Object merge(String entityName,
                    Object object)
             throws HibernateException

Description copied from interface: Session

Copy the state of the given object onto the persistent object with the same identifier. If there is no persistent instance currently associated with the session, it will be loaded. Return the persistent instance. If the given instance is unsaved, save a copy of and return it as a newly persistent instance. The given instance does not become associated with the session. This operation cascades to associated instances if the association is mapped with cascade="merge".

The semantics of this method are defined by JSR-220.

Specified by:: merge in interface Session

Parameters:: object - a detached instance with state to be copied
Returns:: an updated persistent instance
Throws:: HibernateException

merge

public Object merge(Object object)
             throws HibernateException

Description copied from interface: Session

Specified by:: merge in interface Session

Parameters:: object - a detached instance with state to be copied
Returns:: an updated persistent instance
Throws:: HibernateException

merge

public void merge(String entityName,
                  Object object,
                  Map copiedAlready)
           throws HibernateException

Description copied from interface: EventSource

Cascade merge an entity instance

Specified by:: merge in interface EventSource

Throws:: HibernateException

saveOrUpdateCopy

public Object saveOrUpdateCopy(String entityName,
                               Object object)
                        throws HibernateException

Description copied from interface: Session

Copy the state of the given object onto the persistent object with the same identifier. If there is no persistent instance currently associated with the session, it will be loaded. Return the persistent instance. If the given instance is unsaved or does not exist in the database, save it and return it as a newly persistent instance. Otherwise, the given instance does not become associated with the session.

Specified by:: saveOrUpdateCopy in interface Session

Parameters:: object - a transient instance with state to be copied
Returns:: an updated persistent instance
Throws:: HibernateException

saveOrUpdateCopy

public Object saveOrUpdateCopy(Object object)
                        throws HibernateException

Description copied from interface: Session

Copy the state of the given object onto the persistent object with the same identifier. If there is no persistent instance currently associated with the session, it will be loaded. Return the persistent instance. If the given instance is unsaved or does not exist in the database, save it and return it as a newly persistent instance. Otherwise, the given instance does not become associated with the session.

Specified by:: saveOrUpdateCopy in interface Session

Parameters:: object - a transient instance with state to be copied
Returns:: an updated persistent instance
Throws:: HibernateException

saveOrUpdateCopy

public Object saveOrUpdateCopy(String entityName,
                               Object object,
                               Serializable id)
                        throws HibernateException

Description copied from interface: Session

Copy the state of the given object onto the persistent object with the given identifier. If there is no persistent instance currently associated with the session, it will be loaded. Return the persistent instance. If there is no database row with the given identifier, save the given instance and return it as a newly persistent instance. Otherwise, the given instance does not become associated with the session.

Specified by:: saveOrUpdateCopy in interface Session

Parameters:: object - a persistent or transient instance with state to be copied; id - the identifier of the instance to copy to
Returns:: an updated persistent instance
Throws:: HibernateException

saveOrUpdateCopy

public Object saveOrUpdateCopy(Object object,
                               Serializable id)
                        throws HibernateException

Description copied from interface: Session

Specified by:: saveOrUpdateCopy in interface Session

Parameters:: object - a persistent or transient instance with state to be copied; id - the identifier of the instance to copy to
Returns:: an updated persistent instance
Throws:: HibernateException

saveOrUpdateCopy

public void saveOrUpdateCopy(String entityName,
                             Object object,
                             Map copiedAlready)
                      throws HibernateException

Description copied from interface: EventSource

Cascade copy an entity instance

Specified by:: saveOrUpdateCopy in interface EventSource

Throws:: HibernateException

delete

public void delete(Object object)
            throws HibernateException

Delete a persistent object

Specified by:: delete in interface Session

Parameters:: object - the instance to be removed
Throws:: HibernateException

delete

public void delete(String entityName,
                   Object object)
            throws HibernateException

Delete a persistent object (by explicit entity name)

Specified by:: delete in interface Session

Parameters:: entityName - The entity name for the instance to be removed.; object - the instance to be removed
Throws:: HibernateException

delete

public void delete(String entityName,
                   Object object,
                   boolean isCascadeDeleteEnabled,
                   Set transientEntities)
            throws HibernateException

Delete a persistent object

Specified by:: delete in interface EventSource

Throws:: HibernateException

load

public void load(Object object,
                 Serializable id)
          throws HibernateException

Description copied from interface: Session

Read the persistent state associated with the given identifier into the given transient instance.

Specified by:: load in interface Session

Parameters:: object - an "empty" instance of the persistent class; id - a valid identifier of an existing persistent instance of the class
Throws:: HibernateException

load

public Object load(Class entityClass,
                   Serializable id)
            throws HibernateException

Description copied from interface: Session

Return the persistent instance of the given entity class with the given identifier, assuming that the instance exists.

You should not use this method to determine if an instance exists (use get() instead). Use this only to retrieve an instance that you assume exists, where non-existence would be an actual error.

Specified by:: load in interface Session

Parameters:: entityClass - a persistent class; id - a valid identifier of an existing persistent instance of the class
Returns:: the persistent instance or proxy
Throws:: HibernateException

load

public Object load(String entityName,
                   Serializable id)
            throws HibernateException

Description copied from interface: Session

Specified by:: load in interface Session

Parameters:: entityName - a persistent class; id - a valid identifier of an existing persistent instance of the class
Returns:: the persistent instance or proxy
Throws:: HibernateException

get

public Object get(Class entityClass,
                  Serializable id)
           throws HibernateException

Description copied from interface: Session

Return the persistent instance of the given entity class with the given identifier, or null if there is no such persistent instance. (If the instance, or a proxy for the instance, is already associated with the session, return that instance or proxy.)

Specified by:: get in interface Session

Parameters:: entityClass - a persistent class; id - an identifier
Returns:: a persistent instance or null
Throws:: HibernateException

get

public Object get(String entityName,
                  Serializable id)
           throws HibernateException

Description copied from interface: Session

Return the persistent instance of the given named entity with the given identifier, or null if there is no such persistent instance. (If the instance, or a proxy for the instance, is already associated with the session, return that instance or proxy.)

Specified by:: get in interface Session

Parameters:: entityName - the entity name; id - an identifier
Returns:: a persistent instance or null
Throws:: HibernateException

immediateLoad

public Object immediateLoad(String entityName,
                            Serializable id)
                     throws HibernateException

Load the data for the object with the specified id into a newly created object. This is only called when lazily initializing a proxy. Do NOT return a proxy.

Specified by:: immediateLoad in interface SessionImplementor

Throws:: HibernateException

internalLoad

public Object internalLoad(String entityName,
                           Serializable id,
                           boolean eager,
                           boolean nullable)
                    throws HibernateException

Description copied from interface: SessionImplementor

Load an instance without checking if it was deleted. When nullable is disabled this method may create a new proxy or return an existing proxy; if it does not exist, throw an exception. When nullable is enabled, the method does not create new proxies (but might return an existing proxy); if it does not exist, return null. When eager is enabled, the object is eagerly fetched

Specified by:: internalLoad in interface SessionImplementor

Throws:: HibernateException

load

public Object load(Class entityClass,
                   Serializable id,
                   LockMode lockMode)
            throws HibernateException

Description copied from interface: Session

Return the persistent instance of the given entity class with the given identifier, obtaining the specified lock mode, assuming the instance exists.

Specified by:: load in interface Session

Parameters:: entityClass - a persistent class; id - a valid identifier of an existing persistent instance of the class; lockMode - the lock level
Returns:: the persistent instance or proxy
Throws:: HibernateException

load

public Object load(String entityName,
                   Serializable id,
                   LockMode lockMode)
            throws HibernateException

Description copied from interface: Session

Return the persistent instance of the given entity class with the given identifier, obtaining the specified lock mode, assuming the instance exists.

Specified by:: load in interface Session

Parameters:: entityName - a persistent class; id - a valid identifier of an existing persistent instance of the class; lockMode - the lock level
Returns:: the persistent instance or proxy
Throws:: HibernateException

get

public Object get(Class entityClass,
                  Serializable id,
                  LockMode lockMode)
           throws HibernateException

Description copied from interface: Session

Return the persistent instance of the given entity class with the given identifier, or null if there is no such persistent instance. Obtain the specified lock mode if the instance exists.

Specified by:: get in interface Session

Parameters:: entityClass - a persistent class; id - an identifier; lockMode - the lock mode
Returns:: a persistent instance or null
Throws:: HibernateException

get

public Object get(String entityName,
                  Serializable id,
                  LockMode lockMode)
           throws HibernateException

Description copied from interface: Session

Return the persistent instance of the given entity class with the given identifier, or null if there is no such persistent instance. Obtain the specified lock mode if the instance exists.

Specified by:: get in interface Session

Parameters:: entityName - the entity name; id - an identifier; lockMode - the lock mode
Returns:: a persistent instance or null
Throws:: HibernateException

refresh

public void refresh(Object object)
             throws HibernateException

Description copied from interface: Session

Re-read the state of the given instance from the underlying database. It is inadvisable to use this to implement long-running sessions that span many business tasks. This method is, however, useful in certain special circumstances. For example

where a database trigger alters the object state upon insert or update
after executing direct SQL (eg. a mass update) in the same session
after inserting a Blob or Clob

Specified by:: refresh in interface Session

Parameters:: object - a persistent or detached instance
Throws:: HibernateException

refresh

public void refresh(Object object,
                    LockMode lockMode)
             throws HibernateException

Description copied from interface: Session

Re-read the state of the given instance from the underlying database, with the given LockMode. It is inadvisable to use this to implement long-running sessions that span many business tasks. This method is, however, useful in certain special circumstances.

Specified by:: refresh in interface Session

Parameters:: object - a persistent or detached instance; lockMode - the lock mode to use
Throws:: HibernateException

refresh

public void refresh(Object object,
                    Map refreshedAlready)
             throws HibernateException

Description copied from interface: EventSource

Cascade refesh an entity instance

Specified by:: refresh in interface EventSource

Throws:: HibernateException

replicate

public void replicate(Object obj,
                      ReplicationMode replicationMode)
               throws HibernateException

Description copied from interface: Session

Persist the state of the given detached instance, reusing the current identifier value. This operation cascades to associated instances if the association is mapped with cascade="replicate".

Specified by:: replicate in interface Session

Parameters:: obj - a detached instance of a persistent class
Throws:: HibernateException

replicate

public void replicate(String entityName,
                      Object obj,
                      ReplicationMode replicationMode)
               throws HibernateException

Description copied from interface: Session

Persist the state of the given detached instance, reusing the current identifier value. This operation cascades to associated instances if the association is mapped with cascade="replicate".

Specified by:: replicate in interface Session

Parameters:: obj - a detached instance of a persistent class
Throws:: HibernateException

evict

public void evict(Object object)
           throws HibernateException

remove any hard references to the entity that are held by the infrastructure (references held by application or other persistant instances are okay)

Specified by:: evict in interface Session

Parameters:: object - a persistent instance
Throws:: HibernateException

autoFlushIfRequired

protected boolean autoFlushIfRequired(Set querySpaces)
                               throws HibernateException

detect in-memory changes, determine if the changes are to tables named in the query and, if so, complete execution the flush

Throws:: HibernateException

isDirty

public boolean isDirty()
                throws HibernateException

Description copied from interface: Session

Does this session contain any changes which must be synchronized with the database? In other words, would any DML operations be executed if we flushed this session?

Specified by:: isDirty in interface Session

Returns:: True if the session contains pending changes; false otherwise.
Throws:: HibernateException - could not perform dirtying checking

flush

public void flush()
           throws HibernateException

Description copied from interface: Session

Force this session to flush. Must be called at the end of a unit of work, before commiting the transaction and closing the session (depending on flush-mode, Transaction.commit() calls this method).

Flushing is the process of synchronizing the underlying persistent store with persistable state held in memory.

Specified by:: flush in interface SessionImplementor

Throws:: HibernateException

forceFlush

public void forceFlush(EntityEntry entityEntry)
                throws HibernateException

Description copied from interface: EventSource

Force an immediate flush

Specified by:: forceFlush in interface EventSource

Throws:: HibernateException

getEnabledFilter

public Filter getEnabledFilter(String filterName)

Description copied from interface: Session

Retrieve a currently enabled filter by name.

Specified by:: getEnabledFilter in interface Session

Parameters:: filterName - The name of the filter to be retrieved.
Returns:: The Filter instance representing the enabled fiter.

enableFilter

public Filter enableFilter(String filterName)

Description copied from interface: Session

Enable the named filter for this current session.

Specified by:: enableFilter in interface Session

Parameters:: filterName - The name of the filter to be enabled.
Returns:: The Filter instance representing the enabled fiter.

disableFilter

public void disableFilter(String filterName)

Description copied from interface: Session

Disable the named filter for the current session.

Specified by:: disableFilter in interface Session

Parameters:: filterName - The name of the filter to be disabled.

getFilterParameterValue

public Object getFilterParameterValue(String filterParameterName)

Description copied from interface: SessionImplementor

Retreive the currently set value for a filter parameter.

Specified by:: getFilterParameterValue in interface SessionImplementor

Parameters:: filterParameterName - The filter parameter name in the format {FILTER_NAME.PARAMETER_NAME}.
Returns:: The filter parameter value.

getFilterParameterType

public Type getFilterParameterType(String filterParameterName)

Description copied from interface: SessionImplementor

Retreive the type for a given filter parrameter.

Specified by:: getFilterParameterType in interface SessionImplementor

Parameters:: filterParameterName - The filter parameter name in the format {FILTER_NAME.PARAMETER_NAME}.

getEnabledFilters

public Map getEnabledFilters()

Description copied from interface: SessionImplementor

Return the currently enabled filters. The filter map is keyed by filter name, with values corresponding to the FilterImpl instance.

Specified by:: getEnabledFilters in interface SessionImplementor

Returns:: The currently enabled filters.

find

public List find(String query)
          throws HibernateException

Retrieve a list of persistent objects using a hibernate query

Specified by:: find in interface Session

Parameters:: query - a query expressed in Hibernate's query language
Returns:: a distinct list of instances (or arrays of instances)
Throws:: HibernateException

find

public List find(String query,
                 Object value,
                 Type type)
          throws HibernateException

Description copied from interface: Session

Execute a query with bind parameters, binding a value to a "?" parameter in the query string.

Specified by:: find in interface Session

Parameters:: query - the query string; value - a value to be bound to a "?" placeholder (JDBC IN parameter).; type - the Hibernate type of the value
Returns:: a distinct list of instances (or arrays of instances)
Throws:: HibernateException
See Also:: for access to Type instances

find

public List find(String query,
                 Object[] values,
                 Type[] types)
          throws HibernateException

Description copied from interface: Session

Execute a query with bind parameters, binding an array of values to "?" parameters in the query string.

Specified by:: find in interface Session

Parameters:: query - the query string; values - an array of values to be bound to the "?" placeholders (JDBC IN parameters).; types - an array of Hibernate types of the values
Returns:: a distinct list of instances
Throws:: HibernateException
See Also:: for access to Type instances

list

public List list(String query,
                 QueryParameters queryParameters)
          throws HibernateException

Description copied from interface: SessionImplementor

Execute a find() query

Specified by:: list in interface SessionImplementor

Throws:: HibernateException

executeUpdate

public int executeUpdate(String query,
                         QueryParameters queryParameters)
                  throws HibernateException

Description copied from interface: SessionImplementor

Execute a HQL update or delete query

Specified by:: executeUpdate in interface SessionImplementor

Throws:: HibernateException

executeNativeUpdate

public int executeNativeUpdate(NativeSQLQuerySpecification nativeQuerySpecification,
                               QueryParameters queryParameters)
                        throws HibernateException

Description copied from interface: SessionImplementor

Execute a native SQL update or delete query

Specified by:: executeNativeUpdate in interface SessionImplementor

Throws:: HibernateException

iterate

public Iterator iterate(String query)
                 throws HibernateException

Description copied from interface: Session

Execute a query and return the results in an iterator. If the query has multiple return values, values will be returned in an array of type Object[].

Entities returned as results are initialized on demand. The first SQL query returns identifiers only. So iterate() is usually a less efficient way to retrieve objects than find().

Specified by:: iterate in interface Session

Parameters:: query - the query string
Returns:: an iterator
Throws:: HibernateException

iterate

public Iterator iterate(String query,
                        Object value,
                        Type type)
                 throws HibernateException

Description copied from interface: Session

Execute a query and return the results in an iterator. Write the given value to "?" in the query string. If the query has multiple return values, values will be returned in an array of type Object[].

Entities returned as results are initialized on demand. The first SQL query returns identifiers only. So iterate() is usually a less efficient way to retrieve objects than find().

Specified by:: iterate in interface Session

Parameters:: query - the query string; value - a value to be witten to a "?" placeholder in the query string; type - the hibernate type of value
Returns:: an iterator
Throws:: HibernateException

iterate

public Iterator iterate(String query,
                        Object[] values,
                        Type[] types)
                 throws HibernateException

Description copied from interface: Session

Execute a query and return the results in an iterator. Write the given values to "?" in the query string. If the query has multiple return values, values will be returned in an array of type Object[].

Entities returned as results are initialized on demand. The first SQL query returns identifiers only. So iterate() is usually a less efficient way to retrieve objects than find().

Specified by:: iterate in interface Session

Parameters:: query - the query string; values - a list of values to be written to "?" placeholders in the query; types - a list of Hibernate types of the values
Returns:: an iterator
Throws:: HibernateException

iterate

public Iterator iterate(String query,
                        QueryParameters queryParameters)
                 throws HibernateException

Description copied from interface: SessionImplementor

Execute an iterate() query

Specified by:: iterate in interface SessionImplementor

Throws:: HibernateException

scroll

public ScrollableResults scroll(String query,
                                QueryParameters queryParameters)
                         throws HibernateException

Description copied from interface: SessionImplementor

Execute a scroll() query

Specified by:: scroll in interface SessionImplementor

Throws:: HibernateException

delete

public int delete(String query)
           throws HibernateException

Description copied from interface: Session

Delete all objects returned by the query. Return the number of objects deleted.

Note that this is very different from the delete-statement support added in HQL since 3.1. The functionality here is to actually peform the query and then iterate the results calling Session.delete(Object) individually.

Specified by:: delete in interface Session

Parameters:: query - the query string
Returns:: the number of instances deleted
Throws:: HibernateException

delete

public int delete(String query,
                  Object value,
                  Type type)
           throws HibernateException

Description copied from interface: Session

Delete all objects returned by the query. Return the number of objects deleted.

Specified by:: delete in interface Session

Parameters:: query - the query string; value - a value to be witten to a "?" placeholder in the query string.; type - the hibernate type of value.
Returns:: the number of instances deleted
Throws:: HibernateException

delete

public int delete(String query,
                  Object[] values,
                  Type[] types)
           throws HibernateException

Description copied from interface: Session

Delete all objects returned by the query. Return the number of objects deleted.

Specified by:: delete in interface Session

Parameters:: query - the query string; values - a list of values to be written to "?" placeholders in the query.; types - a list of Hibernate types of the values
Returns:: the number of instances deleted
Throws:: HibernateException

createFilter

public Query createFilter(Object collection,
                          String queryString)

Description copied from interface: Session

Create a new instance of Query for the given collection and filter string.

Specified by:: createFilter in interface Session

Parameters:: collection - a persistent collection; queryString - a Hibernate query
Returns:: Query

getNamedQuery

public Query getNamedQuery(String queryName)
                    throws MappingException

Description copied from interface: SessionImplementor

Get a Query instance for a named query or named native SQL query

Specified by:: getNamedQuery in interface SessionImplementor
Overrides:: getNamedQuery in class AbstractSessionImpl

Throws:: MappingException

instantiate

public Object instantiate(String entityName,
                          Serializable id)
                   throws HibernateException

Description copied from interface: SessionImplementor

Instantiate the entity class, initializing with the given identifier

Specified by:: instantiate in interface SessionImplementor

Throws:: HibernateException

instantiate

public Object instantiate(EntityPersister persister,
                          Serializable id)
                   throws HibernateException

give the interceptor an opportunity to override the default instantiation

Specified by:: instantiate in interface EventSource

Throws:: HibernateException

getEntityMode

public EntityMode getEntityMode()

Description copied from interface: Session

Retrieve the entity mode in effect for this session.

Specified by:: getEntityMode in interface SessionImplementor

setFlushMode

public void setFlushMode(FlushMode flushMode)

Description copied from interface: Session

Set the flush mode for this session.

The flush mode determines the points at which the session is flushed. Flushing is the process of synchronizing the underlying persistent store with persistable state held in memory.

For a logically "read only" session, it is reasonable to set the session's flush mode to FlushMode.MANUAL at the start of the session (in order to achieve some extra performance).

Specified by:: setFlushMode in interface SessionImplementor

getFlushMode

public FlushMode getFlushMode()

Description copied from interface: Session

Get the current flush mode for this session.

Specified by:: getFlushMode in interface SessionImplementor

getCacheMode

public CacheMode getCacheMode()

Description copied from interface: Session

Get the current cache mode.

Specified by:: getCacheMode in interface SessionImplementor

setCacheMode

public void setCacheMode(CacheMode cacheMode)

Description copied from interface: Session

Set the cache mode.

Cache mode determines the manner in which this session can interact with the second level cache.

Specified by:: setCacheMode in interface SessionImplementor

getTransaction

public Transaction getTransaction()
                           throws HibernateException

Description copied from interface: Session

Get the Transaction instance associated with this session. The class of the returned Transaction object is determined by the property hibernate.transaction_factory.

Specified by:: getTransaction in interface Session

Returns:: a Transaction instance
Throws:: HibernateException
See Also:: Transaction

beginTransaction

public Transaction beginTransaction()
                             throws HibernateException

Description copied from interface: Session

Begin a unit of work and return the associated Transaction object. If a new underlying transaction is required, begin the transaction. Otherwise continue the new work in the context of the existing underlying transaction. The class of the returned Transaction object is determined by the property hibernate.transaction_factory.

Specified by:: beginTransaction in interface Session

Returns:: a Transaction instance
Throws:: HibernateException
See Also:: Transaction

afterTransactionBegin

public void afterTransactionBegin(Transaction tx)

Description copied from interface: JDBCContext.Context

We cannot rely upon this method being called! It is only called if we are using Hibernate Transaction API.

Specified by:: afterTransactionBegin in interface JDBCContext.Context

getEntityPersister

public EntityPersister getEntityPersister(String entityName,
                                          Object object)

Description copied from interface: SessionImplementor

Get the EntityPersister for any instance

Specified by:: getEntityPersister in interface SessionImplementor

Parameters:: entityName - optional entity name; object - the entity instance

getIdentifier

public Serializable getIdentifier(Object object)
                           throws HibernateException

Description copied from interface: Session

Return the identifier value of the given entity as associated with this session. An exception is thrown if the given entity instance is transient or detached in relation to this session.

Specified by:: getIdentifier in interface Session

Parameters:: object - a persistent instance
Returns:: the identifier
Throws:: HibernateException

getContextEntityIdentifier

public Serializable getContextEntityIdentifier(Object object)

Get the id value for an object that is actually associated with the session. This is a bit stricter than getEntityIdentifierIfNotUnsaved().

Specified by:: getContextEntityIdentifier in interface SessionImplementor

filter

public Collection filter(Object collection,
                         String filter)
                  throws HibernateException

Description copied from interface: Session

Apply a filter to a persistent collection. A filter is a Hibernate query that may refer to this, the collection element. Filters allow efficient access to very large lazy collections. (Executing the filter does not initialize the collection.)

Specified by:: filter in interface Session

Parameters:: collection - a persistent collection to filter; filter - a filter query string
Returns:: Collection the resulting collection
Throws:: HibernateException

filter

public Collection filter(Object collection,
                         String filter,
                         Object value,
                         Type type)
                  throws HibernateException

Description copied from interface: Session

Apply a filter to a persistent collection. A filter is a Hibernate query that may refer to this, the collection element.

Specified by:: filter in interface Session

Parameters:: collection - a persistent collection to filter; filter - a filter query string; value - a value to be witten to a "?" placeholder in the query string; type - the hibernate type of value
Returns:: Collection
Throws:: HibernateException

filter

public Collection filter(Object collection,
                         String filter,
                         Object[] values,
                         Type[] types)
                  throws HibernateException

Description copied from interface: Session

Apply a filter to a persistent collection. Bind the given parameters to "?" placeholders. A filter is a Hibernate query that may refer to this, the collection element.

Specified by:: filter in interface Session

Parameters:: collection - a persistent collection to filter; filter - a filter query string; values - a list of values to be written to "?" placeholders in the query; types - a list of Hibernate types of the values
Returns:: Collection
Throws:: HibernateException

listFilter

public List listFilter(Object collection,
                       String filter,
                       QueryParameters queryParameters)
                throws HibernateException

Description copied from interface: SessionImplementor

Execute a filter

Specified by:: listFilter in interface SessionImplementor

Throws:: HibernateException

iterateFilter

public Iterator iterateFilter(Object collection,
                              String filter,
                              QueryParameters queryParameters)
                       throws HibernateException

Description copied from interface: SessionImplementor

Iterate a filter

Specified by:: iterateFilter in interface SessionImplementor

Throws:: HibernateException

createCriteria

public Criteria createCriteria(Class persistentClass,
                               String alias)

Description copied from interface: Session

Create a new Criteria instance, for the given entity class, or a superclass of an entity class, with the given alias.

Specified by:: createCriteria in interface Session

Parameters:: persistentClass - a class, which is persistent, or has persistent subclasses
Returns:: Criteria

createCriteria

public Criteria createCriteria(String entityName,
                               String alias)

Description copied from interface: Session

Create a new Criteria instance, for the given entity name, with the given alias.

Specified by:: createCriteria in interface Session

Parameters:: entityName -
Returns:: Criteria

createCriteria

public Criteria createCriteria(Class persistentClass)

Description copied from interface: Session

Create a new Criteria instance, for the given entity class, or a superclass of an entity class.

Specified by:: createCriteria in interface Session

Parameters:: persistentClass - a class, which is persistent, or has persistent subclasses
Returns:: Criteria

createCriteria

public Criteria createCriteria(String entityName)

Description copied from interface: Session

Create a new Criteria instance, for the given entity name.

Specified by:: createCriteria in interface Session

Parameters:: entityName -
Returns:: Criteria

scroll

public ScrollableResults scroll(CriteriaImpl criteria,
                                ScrollMode scrollMode)

Description copied from interface: SessionImplementor

Execute a criteria query

Specified by:: scroll in interface SessionImplementor

list

public List list(CriteriaImpl criteria)
          throws HibernateException

Description copied from interface: SessionImplementor

Execute a criteria query

Specified by:: list in interface SessionImplementor

Throws:: HibernateException

contains

public boolean contains(Object object)

Description copied from interface: Session

Check if this instance is associated with this Session.

Specified by:: contains in interface Session

Parameters:: object - an instance of a persistent class
Returns:: true if the given instance is associated with this Session

createQuery

public Query createQuery(String queryString)

Description copied from interface: Session

Create a new instance of Query for the given HQL query string.

Specified by:: createQuery in interface Session
Overrides:: createQuery in class AbstractSessionImpl

createSQLQuery

public SQLQuery createSQLQuery(String sql)

Description copied from interface: Session

Create a new instance of SQLQuery for the given SQL query string.

Specified by:: createSQLQuery in interface Session
Overrides:: createSQLQuery in class AbstractSessionImpl

createSQLQuery

public Query createSQLQuery(String sql,
                            String returnAlias,
                            Class returnClass)

Description copied from interface: Session

Create a new instance of Query for the given SQL string.

Specified by:: createSQLQuery in interface Session

Parameters:: sql - a query expressed in SQL; returnAlias - a table alias that appears inside {} in the SQL string; returnClass - the returned persistent class

createSQLQuery

public Query createSQLQuery(String sql,
                            String[] returnAliases,
                            Class[] returnClasses)

Description copied from interface: Session

Create a new instance of Query for the given SQL string.

Specified by:: createSQLQuery in interface Session

Parameters:: sql - a query expressed in SQL; returnAliases - an array of table aliases that appear inside {} in the SQL string; returnClasses - the returned persistent classes

scrollCustomQuery

public ScrollableResults scrollCustomQuery(CustomQuery customQuery,
                                           QueryParameters queryParameters)
                                    throws HibernateException

Description copied from interface: SessionImplementor

Execute an SQL Query

Specified by:: scrollCustomQuery in interface SessionImplementor

Throws:: HibernateException

listCustomQuery

public List listCustomQuery(CustomQuery customQuery,
                            QueryParameters queryParameters)
                     throws HibernateException

Description copied from interface: SessionImplementor

Execute an SQL Query

Specified by:: listCustomQuery in interface SessionImplementor

Throws:: HibernateException

getSessionFactory

public SessionFactory getSessionFactory()

Description copied from interface: Session

Get the session factory which created this session.

Specified by:: getSessionFactory in interface Session

Returns:: The session factory.
See Also:: SessionFactory

initializeCollection

public void initializeCollection(PersistentCollection collection,
                                 boolean writing)
                          throws HibernateException

Description copied from interface: SessionImplementor

Initialize the collection (if not already initialized)

Specified by:: initializeCollection in interface SessionImplementor

Throws:: HibernateException

bestGuessEntityName

public String bestGuessEntityName(Object object)

Description copied from interface: SessionImplementor

The best guess entity name for an entity not in an association

Specified by:: bestGuessEntityName in interface SessionImplementor

getEntityName

public String getEntityName(Object object)

Description copied from interface: Session

Return the entity name for a persistent entity

Specified by:: getEntityName in interface Session

Parameters:: object - a persistent entity
Returns:: the entity name

guessEntityName

public String guessEntityName(Object object)
                       throws HibernateException

Description copied from interface: SessionImplementor

The guessed entity name for an entity not in an association

Specified by:: guessEntityName in interface SessionImplementor

Throws:: HibernateException

cancelQuery

public void cancelQuery()
                 throws HibernateException

Description copied from interface: Session

Cancel the execution of the current query.

This is the sole method on session which may be safely called from another thread.

Specified by:: cancelQuery in interface Session

Throws:: HibernateException - There was a problem canceling the query

getInterceptor

public Interceptor getInterceptor()

Description copied from interface: SessionImplementor

Retrieves the interceptor currently in use by this event source.

Specified by:: getInterceptor in interface SessionImplementor

Returns:: The interceptor.

getDontFlushFromFind

public int getDontFlushFromFind()

Specified by:: getDontFlushFromFind in interface SessionImplementor

toString

public String toString()

getListeners

public EventListeners getListeners()

Description copied from interface: SessionImplementor

Retrieves the configured event listeners from this event source.

Specified by:: getListeners in interface SessionImplementor

Returns:: The configured event listeners.

getActionQueue

public ActionQueue getActionQueue()

Description copied from interface: EventSource

Get the ActionQueue for this session

Specified by:: getActionQueue in interface EventSource

getPersistenceContext

public PersistenceContext getPersistenceContext()

Description copied from interface: SessionImplementor

Get the persistence context for this session

Specified by:: getPersistenceContext in interface SessionImplementor

getStatistics

public SessionStatistics getStatistics()

Description copied from interface: Session

Get the statistics for this session.

Specified by:: getStatistics in interface Session

isEventSource

public boolean isEventSource()

Specified by:: isEventSource in interface SessionImplementor

setReadOnly

public void setReadOnly(Object entity,
                        boolean readOnly)

Description copied from interface: Session

Set an unmodified persistent object to read only mode, or a read only object to modifiable mode. In read only mode, no snapshot is maintained and the instance is never dirty checked.

Specified by:: setReadOnly in interface Session

See Also:: Query.setReadOnly(boolean)

afterScrollOperation

public void afterScrollOperation()

Specified by:: afterScrollOperation in interface SessionImplementor

getFetchProfile

public String getFetchProfile()

Specified by:: getFetchProfile in interface SessionImplementor

getJDBCContext

public JDBCContext getJDBCContext()

Specified by:: getJDBCContext in interface SessionImplementor

setFetchProfile

public void setFetchProfile(String fetchProfile)

Specified by:: setFetchProfile in interface SessionImplementor

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Method Summary
`void`	`afterOperation(boolean success)` Check if there is a Hibernate or JTA transaction in progress and, if there is not, flush if necessary, make sure the connection has been committed (if it is not in autocommit mode) and run the after completion processing
`void`	`afterScrollOperation()`
`void`	`afterTransactionBegin(Transaction tx)` We cannot rely upon this method being called! It is only called if we are using Hibernate Transaction API.
`void`	`afterTransactionCompletion(boolean success, Transaction tx)` Notify the session that the transaction completed, so we no longer own the old locks.
`protected boolean`	`autoFlushIfRequired(Set querySpaces)` detect in-memory changes, determine if the changes are to tables named in the query and, if so, complete execution the flush
`void`	`beforeTransactionCompletion(Transaction tx)` Notify the session that the transaction is about to complete
`Transaction`	`beginTransaction()` Begin a unit of work and return the associated `Transaction` object.
`String`	`bestGuessEntityName(Object object)` The best guess entity name for an entity not in an association
`void`	`cancelQuery()` Cancel the execution of the current query.
`void`	`clear()` Completely clear the session.
`Connection`	`close()` End the session by releasing the JDBC connection and cleaning up.
`Connection`	`connection()` Get the JDBC connection of this Session. If the session is using aggressive collection release (as in a CMT environment), it is the application's responsibility to close the connection returned by this call.
`boolean`	`contains(Object object)` Check if this instance is associated with this `Session`.
`Criteria`	`createCriteria(Class persistentClass)` Create a new `Criteria` instance, for the given entity class, or a superclass of an entity class.
`Criteria`	`createCriteria(Class persistentClass, String alias)` Create a new `Criteria` instance, for the given entity class, or a superclass of an entity class, with the given alias.
`Criteria`	`createCriteria(String entityName)` Create a new `Criteria` instance, for the given entity name.
`Criteria`	`createCriteria(String entityName, String alias)` Create a new `Criteria` instance, for the given entity name, with the given alias.
`Query`	`createFilter(Object collection, String queryString)` Create a new instance of `Query` for the given collection and filter string.
`Query`	`createQuery(String queryString)` Create a new instance of `Query` for the given HQL query string.
`SQLQuery`	`createSQLQuery(String sql)` Create a new instance of `SQLQuery` for the given SQL query string.
`Query`	`createSQLQuery(String sql, String[] returnAliases, Class[] returnClasses)` Create a new instance of `Query` for the given SQL string.
`Query`	`createSQLQuery(String sql, String returnAlias, Class returnClass)` Create a new instance of `Query` for the given SQL string.
`void`	`delete(Object object)` Delete a persistent object
`int`	`delete(String query)` Delete all objects returned by the query.
`void`	`delete(String entityName, Object object)` Delete a persistent object (by explicit entity name)
`int`	`delete(String query, Object[] values, Type[] types)` Delete all objects returned by the query.
`void`	`delete(String entityName, Object object, boolean isCascadeDeleteEnabled, Set transientEntities)` Delete a persistent object
`int`	`delete(String query, Object value, Type type)` Delete all objects returned by the query.
`void`	`disableFilter(String filterName)` Disable the named filter for the current session.
`Connection`	`disconnect()` Disconnect the `Session` from the current JDBC connection.
`Filter`	`enableFilter(String filterName)` Enable the named filter for this current session.
`void`	`evict(Object object)` remove any hard references to the entity that are held by the infrastructure (references held by application or other persistant instances are okay)
`int`	`executeNativeUpdate(NativeSQLQuerySpecification nativeQuerySpecification, QueryParameters queryParameters)` Execute a native SQL update or delete query
`int`	`executeUpdate(String query, QueryParameters queryParameters)` Execute a HQL update or delete query
`Collection`	`filter(Object collection, String filter)` Apply a filter to a persistent collection.
`Collection`	`filter(Object collection, String filter, Object[] values, Type[] types)` Apply a filter to a persistent collection.
`Collection`	`filter(Object collection, String filter, Object value, Type type)` Apply a filter to a persistent collection.
`List`	`find(String query)` Retrieve a list of persistent objects using a hibernate query
`List`	`find(String query, Object[] values, Type[] types)` Execute a query with bind parameters, binding an array of values to "?" parameters in the query string.
`List`	`find(String query, Object value, Type type)` Execute a query with bind parameters, binding a value to a "?" parameter in the query string.
`void`	`flush()` Force this session to flush.
`void`	`forceFlush(EntityEntry entityEntry)` Force an immediate flush
`Object`	`get(Class entityClass, Serializable id)` Return the persistent instance of the given entity class with the given identifier, or null if there is no such persistent instance.
`Object`	`get(Class entityClass, Serializable id, LockMode lockMode)` Return the persistent instance of the given entity class with the given identifier, or null if there is no such persistent instance.
`Object`	`get(String entityName, Serializable id)` Return the persistent instance of the given named entity with the given identifier, or null if there is no such persistent instance.
`Object`	`get(String entityName, Serializable id, LockMode lockMode)` Return the persistent instance of the given entity class with the given identifier, or null if there is no such persistent instance.
`ActionQueue`	`getActionQueue()` Get the ActionQueue for this session
`Batcher`	`getBatcher()` Get the prepared statement `Batcher` for this session
`CacheMode`	`getCacheMode()` Get the current cache mode.
`ConnectionReleaseMode`	`getConnectionReleaseMode()`
`Serializable`	`getContextEntityIdentifier(Object object)` Get the id value for an object that is actually associated with the session.
`LockMode`	`getCurrentLockMode(Object object)` Determine the current lock mode of the given object.
`int`	`getDontFlushFromFind()`
`Filter`	`getEnabledFilter(String filterName)` Retrieve a currently enabled filter by name.
`Map`	`getEnabledFilters()` Return the currently enabled filters.
`EntityMode`	`getEntityMode()` Retrieve the entity mode in effect for this session.
`String`	`getEntityName(Object object)` Return the entity name for a persistent entity
`EntityPersister`	`getEntityPersister(String entityName, Object object)` Get the `EntityPersister` for any instance
`Object`	`getEntityUsingInterceptor(EntityKey key)` Get the entity instance associated with the given `Key`, calling the Interceptor if necessary
`String`	`getFetchProfile()`
`Type`	`getFilterParameterType(String filterParameterName)` Retreive the type for a given filter parrameter.
`Object`	`getFilterParameterValue(String filterParameterName)` Retreive the currently set value for a filter parameter.
`FlushMode`	`getFlushMode()` Get the current flush mode for this session.
`Serializable`	`getIdentifier(Object object)` Return the identifier value of the given entity as associated with this session.
`Interceptor`	`getInterceptor()` Retrieves the interceptor currently in use by this event source.
`JDBCContext`	`getJDBCContext()`
`EventListeners`	`getListeners()` Retrieves the configured event listeners from this event source.
`Query`	`getNamedQuery(String queryName)` Get a Query instance for a named query or named native SQL query
`PersistenceContext`	`getPersistenceContext()` Get the persistence context for this session
`Session`	`getSession(EntityMode entityMode)` Starts a new Session with the given entity mode in effect.
`SessionFactory`	`getSessionFactory()` Get the session factory which created this session.
`SessionStatistics`	`getStatistics()` Get the statistics for this session.
`long`	`getTimestamp()` System time before the start of the transaction
`Transaction`	`getTransaction()` Get the `Transaction` instance associated with this session.
`String`	`guessEntityName(Object object)` The guessed entity name for an entity not in an association
`Object`	`immediateLoad(String entityName, Serializable id)` Load the data for the object with the specified id into a newly created object.
`void`	`initializeCollection(PersistentCollection collection, boolean writing)` Initialize the collection (if not already initialized)
`Object`	`instantiate(EntityPersister persister, Serializable id)` give the interceptor an opportunity to override the default instantiation
`Object`	`instantiate(String entityName, Serializable id)` Instantiate the entity class, initializing with the given identifier
`Object`	`internalLoad(String entityName, Serializable id, boolean eager, boolean nullable)` Load an instance without checking if it was deleted.
`boolean`	`isAutoCloseSessionEnabled()`
`boolean`	`isConnected()` Check if the session is currently connected.
`boolean`	`isDirty()` Does this session contain any changes which must be synchronized with the database? In other words, would any DML operations be executed if we flushed this session?
`boolean`	`isEventSource()`
`boolean`	`isFlushBeforeCompletionEnabled()`
`boolean`	`isFlushModeNever()`
`boolean`	`isOpen()` Check if the session is still open.
`boolean`	`isTransactionInProgress()` Does this `Session` have an active Hibernate transaction or is there a JTA transaction in progress?
`Iterator`	`iterate(String query)` Execute a query and return the results in an iterator.
`Iterator`	`iterate(String query, Object[] values, Type[] types)` Execute a query and return the results in an iterator.
`Iterator`	`iterate(String query, Object value, Type type)` Execute a query and return the results in an iterator.
`Iterator`	`iterate(String query, QueryParameters queryParameters)` Execute an `iterate()` query
`Iterator`	`iterateFilter(Object collection, String filter, QueryParameters queryParameters)` Iterate a filter
`List`	`list(CriteriaImpl criteria)` Execute a criteria query
`List`	`list(String query, QueryParameters queryParameters)` Execute a `find()` query
`List`	`listCustomQuery(CustomQuery customQuery, QueryParameters queryParameters)` Execute an SQL Query
`List`	`listFilter(Object collection, String filter, QueryParameters queryParameters)` Execute a filter
`Object`	`load(Class entityClass, Serializable id)` Return the persistent instance of the given entity class with the given identifier, assuming that the instance exists.
`Object`	`load(Class entityClass, Serializable id, LockMode lockMode)` Return the persistent instance of the given entity class with the given identifier, obtaining the specified lock mode, assuming the instance exists.
`void`	`load(Object object, Serializable id)` Read the persistent state associated with the given identifier into the given transient instance.
`Object`	`load(String entityName, Serializable id)` Return the persistent instance of the given entity class with the given identifier, assuming that the instance exists.
`Object`	`load(String entityName, Serializable id, LockMode lockMode)` Return the persistent instance of the given entity class with the given identifier, obtaining the specified lock mode, assuming the instance exists.
`void`	`lock(Object object, LockMode lockMode)` Obtain the specified lock level upon the given object.
`void`	`lock(String entityName, Object object, LockMode lockMode)` Obtain the specified lock level upon the given object.
`void`	`managedClose()`
`void`	`managedFlush()`
`Object`	`merge(Object object)` Copy the state of the given object onto the persistent object with the same identifier.
`Object`	`merge(String entityName, Object object)` Copy the state of the given object onto the persistent object with the same identifier.
`void`	`merge(String entityName, Object object, Map copiedAlready)` Cascade merge an entity instance
`void`	`persist(Object object)` Make a transient instance persistent.
`void`	`persist(String entityName, Object object)` Make a transient instance persistent.
`void`	`persist(String entityName, Object object, Map copiedAlready)` Cascade persist an entity instance
`void`	`persistOnFlush(Object object)`
`void`	`persistOnFlush(String entityName, Object object)`
`void`	`persistOnFlush(String entityName, Object object, Map copiedAlready)` Cascade persist an entity instance during the flush process
`void`	`reconnect()` Obtain a new JDBC connection.
`void`	`reconnect(Connection conn)` Reconnect to the given JDBC connection.
`void`	`refresh(Object object)` Re-read the state of the given instance from the underlying database.
`void`	`refresh(Object object, LockMode lockMode)` Re-read the state of the given instance from the underlying database, with the given `LockMode`.
`void`	`refresh(Object object, Map refreshedAlready)` Cascade refesh an entity instance
`void`	`replicate(Object obj, ReplicationMode replicationMode)` Persist the state of the given detached instance, reusing the current identifier value.
`void`	`replicate(String entityName, Object obj, ReplicationMode replicationMode)` Persist the state of the given detached instance, reusing the current identifier value.
`Serializable`	`save(Object obj)` Persist the given transient instance, first assigning a generated identifier.
`void`	`save(Object obj, Serializable id)` Persist the given transient instance, using the given identifier.
`Serializable`	`save(String entityName, Object object)` Persist the given transient instance, first assigning a generated identifier.
`void`	`save(String entityName, Object object, Serializable id)` Persist the given transient instance, using the given identifier.
`void`	`saveOrUpdate(Object object)` Either `save(Object)` or `update(Object)` the given instance, depending upon resolution of the unsaved-value checks (see the manual for discussion of unsaved-value checking).
`void`	`saveOrUpdate(String entityName, Object obj)` Either `save(String, Object)` or `update(String, Object)` the given instance, depending upon resolution of the unsaved-value checks (see the manual for discussion of unsaved-value checking).
`Object`	`saveOrUpdateCopy(Object object)` Copy the state of the given object onto the persistent object with the same identifier.
`Object`	`saveOrUpdateCopy(Object object, Serializable id)` Copy the state of the given object onto the persistent object with the given identifier.
`Object`	`saveOrUpdateCopy(String entityName, Object object)` Copy the state of the given object onto the persistent object with the same identifier.
`void`	`saveOrUpdateCopy(String entityName, Object object, Map copiedAlready)` Cascade copy an entity instance
`Object`	`saveOrUpdateCopy(String entityName, Object object, Serializable id)` Copy the state of the given object onto the persistent object with the given identifier.
`ScrollableResults`	`scroll(CriteriaImpl criteria, ScrollMode scrollMode)` Execute a criteria query
`ScrollableResults`	`scroll(String query, QueryParameters queryParameters)` Execute a `scroll()` query
`ScrollableResults`	`scrollCustomQuery(CustomQuery customQuery, QueryParameters queryParameters)` Execute an SQL Query
`void`	`setAutoClear(boolean enabled)` Enable/disable automatic cache clearing from after transaction completion (for EJB3)
`void`	`setCacheMode(CacheMode cacheMode)` Set the cache mode.
`void`	`setFetchProfile(String fetchProfile)`
`void`	`setFlushMode(FlushMode flushMode)` Set the flush mode for this session.
`void`	`setReadOnly(Object entity, boolean readOnly)` Set an unmodified persistent object to read only mode, or a read only object to modifiable mode.
`boolean`	`shouldAutoClose()`
`String`	`toString()`
`void`	`update(Object obj)` Update the persistent instance with the identifier of the given detached instance.
`void`	`update(Object obj, Serializable id)` Update the persistent state associated with the given identifier.
`void`	`update(String entityName, Object object)` Update the persistent instance with the identifier of the given detached instance.
`void`	`update(String entityName, Object object, Serializable id)` Update the persistent state associated with the given identifier.

SessionImpl (Hibernate API Documentation) - Hibernate 3.2.3 正式版 API 英文文档

org.hibernate.impl Class SessionImpl

getSession

clear

getBatcher

getTimestamp

close

getConnectionReleaseMode

isAutoCloseSessionEnabled

isOpen

isFlushModeNever

isFlushBeforeCompletionEnabled

managedFlush

shouldAutoClose

managedClose

connection

isConnected

isTransactionInProgress

disconnect

reconnect

reconnect

beforeTransactionCompletion

setAutoClear

afterOperation

afterTransactionCompletion

getCurrentLockMode

getEntityUsingInterceptor

saveOrUpdate

saveOrUpdate

save

save

save

save

update

update

update

update

lock

lock

persist

persist

persist

persistOnFlush

persistOnFlush

persistOnFlush

merge

merge

merge

saveOrUpdateCopy

saveOrUpdateCopy

saveOrUpdateCopy

saveOrUpdateCopy

saveOrUpdateCopy

delete

delete

delete

load

load

load

get

get

immediateLoad

internalLoad

load

load

get

get

refresh

refresh

refresh

replicate

replicate

evict

autoFlushIfRequired

isDirty

flush

forceFlush

getEnabledFilter

enableFilter

disableFilter

org.hibernate.impl
Class SessionImpl