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CriteriaLoader (Hibernate API Documentation) - Hibernate 2.1.8 正式版 API 英文文档

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net.sf.hibernate.loader
Class CriteriaLoader

java.lang.Object
  net.sf.hibernate.loader.Loader
      net.sf.hibernate.loader.OuterJoinLoader
          net.sf.hibernate.loader.AbstractEntityLoader
              net.sf.hibernate.loader.CriteriaLoader

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public class CriteriaLoader

extends AbstractEntityLoader

A Loader for Criteria queries. Note that criteria queries are more like multi-object load()s than like HQL queries.

Author:

Gavin King

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Nested Class Summary

 

Nested classes inherited from class net.sf.hibernate.loader.OuterJoinLoader

OuterJoinLoader.OuterJoinableAssociation

 

Field Summary

 

Fields inherited from class net.sf.hibernate.loader.OuterJoinLoader

AUTO, classPersisters, EAGER, LAZY, lockModeArray, owners, sql, suffixes

 

Fields inherited from class net.sf.hibernate.loader.Loader

NO_SUFFIX

 

Constructor Summary

CriteriaLoader(OuterJoinLoadable persister, SessionFactoryImplementor factory, CriteriaImpl criteria)

 

Method Summary
protected  void	addToPropertySpaces(Serializable space)
protected  String	applyLocks(String sqlSelectString, Map lockModes, Dialect dialect)           Append FOR UPDATE OF clause, if necessary.
protected  String	generateRootAlias(String tableName)
protected  String	generateTableAlias(String className, int n, String path, boolean isLinkTable)
protected  int	getJoinType(AssociationType type, int config, String path, String table, String[] foreignKeyColumns, SessionFactoryImplementor factory)
protected  LockMode[]	getLockModes(Map lockModes)           What lock mode does this load entities with?
Set	getQuerySpaces()
protected  Object	getResultColumnOrRow(Object[] row, ResultSet rs, SessionImplementor session)           Get the actual object that is returned in the user-visible result list.
protected  List	getResultList(List results)
protected  String	getWhereFragment()           Use the discriminator, to narrow the select to instances of the queried subclass.
List	list(SessionImplementor session)

 

Methods inherited from class net.sf.hibernate.loader.AbstractEntityLoader

addAllToPropertySpaces, getAlias, getCollectionOwner, getCollectionPersister, getEntityAliases, getPersister, initClassPersisters, initStatementString, isJoinedFetchEnabled, renderStatement, setAlias, toString

 

Methods inherited from class net.sf.hibernate.loader.OuterJoinLoader

containsCollectionPersister, countClassPersisters, createLockModeArray, getOwners, getPersisters, getSQLString, getSuffixes, isJoinedFetchEnabledByDefault, mergeOuterJoins, selectString, toOwner, walkCollectionTree, walkTree, whereString

 

Methods inherited from class net.sf.hibernate.loader.Loader

bindNamedParameters, bindPositionalParameters, doList, generateAlias, generateSuffixes, getResultSet, isSingleRowLoader, list, loadCollection, loadCollectionBatch, loadEntity, loadEntityBatch, loadSingleRow, postInstantiate, prepareQueryStatement, upgradeLocks

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

CriteriaLoader

public CriteriaLoader(OuterJoinLoadable persister,
                      SessionFactoryImplementor factory,
                      CriteriaImpl criteria)
               throws HibernateException

Method Detail

list

public List list(SessionImplementor session)
          throws HibernateException,
                 SQLException

Throws:

HibernateException

SQLException

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getResultColumnOrRow

protected Object getResultColumnOrRow(Object[] row,
                                      ResultSet rs,
                                      SessionImplementor session)
                               throws SQLException,
                                      HibernateException

Description copied from class: Loader

Get the actual object that is returned in the user-visible result list. This empty implementation merely returns its first argument. This is overridden by some subclasses.

Overrides:

getResultColumnOrRow in class Loader

Throws:

SQLException

HibernateException

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getJoinType

protected int getJoinType(AssociationType type,
                          int config,
                          String path,
                          String table,
                          String[] foreignKeyColumns,
                          SessionFactoryImplementor factory)
                   throws MappingException

Overrides:

getJoinType in class OuterJoinLoader

Throws:

MappingException

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getWhereFragment

protected String getWhereFragment()
                           throws MappingException

Use the discriminator, to narrow the select to instances of the queried subclass.

Overrides:

getWhereFragment in class AbstractEntityLoader

Throws:

MappingException

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generateTableAlias

protected String generateTableAlias(String className,
                                    int n,
                                    String path,
                                    boolean isLinkTable)

Overrides:

generateTableAlias in class OuterJoinLoader

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generateRootAlias

protected String generateRootAlias(String tableName)

Overrides:

generateRootAlias in class OuterJoinLoader

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getQuerySpaces

public Set getQuerySpaces()

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addToPropertySpaces

protected void addToPropertySpaces(Serializable space)

Overrides:

addToPropertySpaces in class AbstractEntityLoader

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applyLocks

protected String applyLocks(String sqlSelectString,
                            Map lockModes,
                            Dialect dialect)
                     throws QueryException

Description copied from class: Loader

Append FOR UPDATE OF clause, if necessary. This empty superclass implementation merely returns its first argument.

Overrides:

applyLocks in class Loader

Throws:

QueryException

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getLockModes

protected LockMode[] getLockModes(Map lockModes)

Description copied from class: Loader

What lock mode does this load entities with?

Overrides:

getLockModes in class OuterJoinLoader

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getResultList

protected List getResultList(List results)

Overrides:

getResultList in class Loader

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