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

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org.hibernate.impl
Class StatelessSessionImpl

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

All Implemented Interfaces:

JDBCContext.Context, Serializable, SessionImplementor, StatelessSession, TransactionFactory.Context

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public class StatelessSessionImpl

extends AbstractSessionImpl

implements JDBCContext.Context, StatelessSession

Author:

Gavin King

See Also:

Serialized Form

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Field Summary

 

Fields inherited from class org.hibernate.impl.AbstractSessionImpl

factory

 

Method Summary
void	afterOperation(boolean success)
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 successful, Transaction tx)           Notify the session that the transaction completed, so we no longer own the old locks.
protected  boolean	autoFlushIfRequired(Set querySpaces)
void	beforeTransactionCompletion(Transaction tx)           Notify the session that the transaction is about to complete
Transaction	beginTransaction()           Begin a Hibernate transaction.
String	bestGuessEntityName(Object object)           The best guess entity name for an entity not in an association
void	close()           Close the stateless session and release the JDBC connection.
Connection	connection()           Returns the current JDBC connection associated with this instance. If the session is using aggressive connection release (as in a CMT environment), it is the application's responsibility to close the connection returned by this call.
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.
void	delete(Object entity)           Delete a row.
void	delete(String entityName, Object entity)           Delete a row.
int	executeNativeUpdate(NativeSQLQuerySpecification nativeSQLQuerySpecification, QueryParameters queryParameters)           Execute a native SQL update or delete query
int	executeUpdate(String query, QueryParameters queryParameters)           Execute a HQL update or delete query
void	flush()
Object	get(Class entityClass, Serializable id)           Retrieve a row.
Object	get(Class entityClass, Serializable id, LockMode lockMode)           Retrieve a row, obtaining the specified lock mode.
Object	get(String entityName, Serializable id)           Retrieve a row.
Object	get(String entityName, Serializable id, LockMode lockMode)           Retrieve a row, obtaining the specified lock mode.
Batcher	getBatcher()           Get the prepared statement Batcher for this session
CacheMode	getCacheMode()
ConnectionReleaseMode	getConnectionReleaseMode()
Serializable	getContextEntityIdentifier(Object object)           Return the identifier of the persistent object, or null if not associated with the session
int	getDontFlushFromFind()
Map	getEnabledFilters()           Return the currently enabled filters.
EntityMode	getEntityMode()
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()
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.
PersistenceContext	getPersistenceContext()           Get the persistence context for this session
long	getTimestamp()           System time before the start of the transaction
Transaction	getTransaction()           Get the current Hibernate transaction.
String	guessEntityName(Object entity)           The guessed entity name for an entity not in an association
Object	immediateLoad(String entityName, Serializable id)           Load an instance immediately.
void	initializeCollection(PersistentCollection collection, boolean writing)           Initialize the collection (if not already initialized)
Serializable	insert(Object entity)           Insert a row.
Serializable	insert(String entityName, Object entity)           Insert a row.
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()
boolean	isEventSource()
boolean	isFlushBeforeCompletionEnabled()
boolean	isFlushModeNever()
boolean	isOpen()
boolean	isTransactionInProgress()           Does this Session have an active Hibernate transaction or is there a JTA transaction in progress?
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
void	managedClose()
void	managedFlush()
void	refresh(Object entity)           Refresh the entity instance state from the database.
void	refresh(Object entity, LockMode lockMode)           Refresh the entity instance state from the database.
void	refresh(String entityName, Object entity)           Refresh the entity instance state from the database.
void	refresh(String entityName, Object entity, LockMode lockMode)           Refresh the entity instance state from the database.
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 cm)
void	setFetchProfile(String name)
void	setFlushMode(FlushMode fm)
boolean	shouldAutoClose()
void	update(Object entity)           Update a row.
void	update(String entityName, Object entity)           Update a row.

 

Methods inherited from class org.hibernate.impl.AbstractSessionImpl

createQuery, createSQLQuery, errorIfClosed, getFactory, getHQLQueryPlan, getNamedQuery, getNamedSQLQuery, getNativeSQLQueryPlan, isClosed, list, scroll, setClosed

 

Methods inherited from class java.lang.Object

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

 

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

getFactory, isClosed

 

Methods inherited from interface org.hibernate.StatelessSession

createQuery, createSQLQuery, getNamedQuery

 

Method Detail

insert

public Serializable insert(Object entity)

Description copied from interface: StatelessSession

Insert a row.

Specified by:

insert in interface StatelessSession

Parameters:

entity - a new transient instance

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insert

public Serializable insert(String entityName,
                           Object entity)

Description copied from interface: StatelessSession

Insert a row.

Specified by:

insert in interface StatelessSession

Parameters:

entityName - The entityName for the entity to be inserted

entity - a new transient instance

Returns:

the identifier of the instance

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delete

public void delete(Object entity)

Description copied from interface: StatelessSession

Delete a row.

Specified by:

delete in interface StatelessSession

Parameters:

entity - a detached entity instance

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delete

public void delete(String entityName,
                   Object entity)

Description copied from interface: StatelessSession

Delete a row.

Specified by:

delete in interface StatelessSession

Parameters:

entityName - The entityName for the entity to be deleted

entity - a detached entity instance

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update

public void update(Object entity)

Description copied from interface: StatelessSession

Update a row.

Specified by:

update in interface StatelessSession

Parameters:

entity - a detached entity instance

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update

public void update(String entityName,
                   Object entity)

Description copied from interface: StatelessSession

Update a row.

Specified by:

update in interface StatelessSession

Parameters:

entityName - The entityName for the entity to be updated

entity - a detached entity instance

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get

public Object get(Class entityClass,
                  Serializable id)

Description copied from interface: StatelessSession

Retrieve a row.

Specified by:

get in interface StatelessSession

Returns:

a detached entity instance

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get

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

Description copied from interface: StatelessSession

Retrieve a row, obtaining the specified lock mode.

Specified by:

get in interface StatelessSession

Returns:

a detached entity instance

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get

public Object get(String entityName,
                  Serializable id)

Description copied from interface: StatelessSession

Retrieve a row.

Specified by:

get in interface StatelessSession

Returns:

a detached entity instance

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get

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

Description copied from interface: StatelessSession

Retrieve a row, obtaining the specified lock mode.

Specified by:

get in interface StatelessSession

Returns:

a detached entity instance

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refresh

public void refresh(Object entity)

Description copied from interface: StatelessSession

Refresh the entity instance state from the database.

Specified by:

refresh in interface StatelessSession

Parameters:

entity - The entity to be refreshed.

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refresh

public void refresh(String entityName,
                    Object entity)

Description copied from interface: StatelessSession

Refresh the entity instance state from the database.

Specified by:

refresh in interface StatelessSession

Parameters:

entityName - The entityName for the entity to be refreshed.

entity - The entity to be refreshed.

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refresh

public void refresh(Object entity,
                    LockMode lockMode)

Description copied from interface: StatelessSession

Refresh the entity instance state from the database.

Specified by:

refresh in interface StatelessSession

Parameters:

entity - The entity to be refreshed.

lockMode - The LockMode to be applied.

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refresh

public void refresh(String entityName,
                    Object entity,
                    LockMode lockMode)

Description copied from interface: StatelessSession

Refresh the entity instance state from the database.

Specified by:

refresh in interface StatelessSession

Parameters:

entityName - The entityName for the entity to be refreshed.

entity - The entity to be refreshed.

lockMode - The LockMode to be applied.

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immediateLoad

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

Description copied from interface: SessionImplementor

Load an instance immediately. This method is only called when lazily initializing a proxy. Do not return the proxy.

Specified by:

immediateLoad in interface SessionImplementor

Throws:

HibernateException

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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

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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

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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

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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

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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

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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

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isOpen

public boolean isOpen()

Specified by:

isOpen in interface SessionImplementor

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close

public void close()

Description copied from interface: StatelessSession

Close the stateless session and release the JDBC connection.

Specified by:

close in interface StatelessSession

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getConnectionReleaseMode

public ConnectionReleaseMode getConnectionReleaseMode()

Specified by:

getConnectionReleaseMode in interface JDBCContext.Context

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isAutoCloseSessionEnabled

public boolean isAutoCloseSessionEnabled()

Specified by:

isAutoCloseSessionEnabled in interface JDBCContext.Context

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isFlushBeforeCompletionEnabled

public boolean isFlushBeforeCompletionEnabled()

Specified by:

isFlushBeforeCompletionEnabled in interface TransactionFactory.Context

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isFlushModeNever

public boolean isFlushModeNever()

Specified by:

isFlushModeNever in interface TransactionFactory.Context

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managedClose

public void managedClose()

Specified by:

managedClose in interface TransactionFactory.Context

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managedFlush

public void managedFlush()

Specified by:

managedFlush in interface TransactionFactory.Context

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shouldAutoClose

public boolean shouldAutoClose()

Specified by:

shouldAutoClose in interface TransactionFactory.Context

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afterTransactionCompletion

public void afterTransactionCompletion(boolean successful,
                                       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 JDBCContext.Context

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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 JDBCContext.Context

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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

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connection

public Connection connection()

Description copied from interface: StatelessSession

Returns the current JDBC connection associated with this instance.

If the session is using aggressive connection 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 StatelessSession

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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

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getBatcher

public Batcher getBatcher()

Description copied from interface: SessionImplementor

Get the prepared statement Batcher for this session

Specified by:

getBatcher in interface SessionImplementor

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getCacheMode

public CacheMode getCacheMode()

Specified by:

getCacheMode in interface SessionImplementor

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getDontFlushFromFind

public int getDontFlushFromFind()

Specified by:

getDontFlushFromFind in interface SessionImplementor

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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.

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getContextEntityIdentifier

public Serializable getContextEntityIdentifier(Object object)

Description copied from interface: SessionImplementor

Return the identifier of the persistent object, or null if not associated with the session

Specified by:

getContextEntityIdentifier in interface SessionImplementor

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getEntityMode

public EntityMode getEntityMode()

Specified by:

getEntityMode in interface SessionImplementor

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getEntityPersister

public EntityPersister getEntityPersister(String entityName,
                                          Object object)
                                   throws HibernateException

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

Throws:

HibernateException

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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

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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}.

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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.

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getFlushMode

public FlushMode getFlushMode()

Specified by:

getFlushMode in interface SessionImplementor

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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.

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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.

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getPersistenceContext

public PersistenceContext getPersistenceContext()

Description copied from interface: SessionImplementor

Get the persistence context for this session

Specified by:

getPersistenceContext in interface SessionImplementor

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getTimestamp

public long getTimestamp()

Description copied from interface: SessionImplementor

System time before the start of the transaction

Specified by:

getTimestamp in interface SessionImplementor

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guessEntityName

public String guessEntityName(Object entity)
                       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

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isConnected

public boolean isConnected()

Specified by:

isConnected in interface SessionImplementor

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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

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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

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setCacheMode

public void setCacheMode(CacheMode cm)

Specified by:

setCacheMode in interface SessionImplementor

---

setFlushMode

public void setFlushMode(FlushMode fm)

Specified by:

setFlushMode in interface SessionImplementor

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getTransaction

public Transaction getTransaction()
                           throws HibernateException

Description copied from interface: StatelessSession

Get the current Hibernate transaction.

Specified by:

getTransaction in interface StatelessSession

Throws:

HibernateException

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beginTransaction

public Transaction beginTransaction()
                             throws HibernateException

Description copied from interface: StatelessSession

Begin a Hibernate transaction.

Specified by:

beginTransaction in interface StatelessSession

Throws:

HibernateException

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isEventSource

public boolean isEventSource()

Specified by:

isEventSource in interface SessionImplementor

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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

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afterOperation

public void afterOperation(boolean success)

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createCriteria

public Criteria createCriteria(Class persistentClass,
                               String alias)

Description copied from interface: StatelessSession

Create a new Criteria instance, for the given entity class, or a superclass of an entity class, with the given alias. Entities returned by the query are detached.

Specified by:

createCriteria in interface StatelessSession

Parameters:

persistentClass - a class, which is persistent, or has persistent subclasses

Returns:

Criteria

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createCriteria

public Criteria createCriteria(String entityName,
                               String alias)

Description copied from interface: StatelessSession

Create a new Criteria instance, for the given entity name, with the given alias. Entities returned by the query are detached.

Specified by:

createCriteria in interface StatelessSession

Parameters:

entityName -

Returns:

Criteria

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createCriteria

public Criteria createCriteria(Class persistentClass)

Description copied from interface: StatelessSession

Create a new Criteria instance, for the given entity class, or a superclass of an entity class. Entities returned by the query are detached.

Specified by:

createCriteria in interface StatelessSession

Parameters:

persistentClass - a class, which is persistent, or has persistent subclasses

Returns:

Criteria

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createCriteria

public Criteria createCriteria(String entityName)

Description copied from interface: StatelessSession

Create a new Criteria instance, for the given entity name. Entities returned by the query are detached.

Specified by:

createCriteria in interface StatelessSession

Parameters:

entityName -

Returns:

Criteria

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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

---

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

---

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

---

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

---

afterScrollOperation

public void afterScrollOperation()

Specified by:

afterScrollOperation in interface SessionImplementor

---

flush

public void flush()

Specified by:

flush 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 name)

Specified by:

setFetchProfile in interface SessionImplementor

---

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

---

autoFlushIfRequired

protected boolean autoFlushIfRequired(Set querySpaces)
                               throws HibernateException

Throws:

HibernateException

---

executeNativeUpdate

public int executeNativeUpdate(NativeSQLQuerySpecification nativeSQLQuerySpecification,
                               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

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