org.hibernate.loader.entity

Class EntityJoinWalker

java.lang.Object

org.hibernate.loader.JoinWalker

org.hibernate.loader.AbstractEntityJoinWalker

org.hibernate.loader.entity.EntityJoinWalker

public class EntityJoinWalker
extends AbstractEntityJoinWalker

A walker for loaders that fetch entities

Author:

Gavin King

See Also:

EntityLoader

Nested Class Summary

Nested classes/interfaces inherited from class org.hibernate.loader.JoinWalker

JoinWalker.AssociationInitCallback

Field Summary

Fields inherited from class org.hibernate.loader.JoinWalker

aliases, associations, collectionOwners, collectionPersisters, collectionSuffixes, lockModeArray, ownerAssociationTypes, owners, persisters, sql, suffixes

Constructor Summary

Constructors

Constructor and Description
EntityJoinWalker(OuterJoinLoadable persister, String[] uniqueKey, int batchSize, LockMode lockMode, SessionFactoryImplementor factory, LoadQueryInfluencers loadQueryInfluencers)
EntityJoinWalker(OuterJoinLoadable persister, String[] uniqueKey, int batchSize, LockOptions lockOptions, SessionFactoryImplementor factory, LoadQueryInfluencers loadQueryInfluencers)

Method Summary

Modifier and Type	Method and Description
String	getComment()
int[][]	getCompositeKeyManyToOneTargetIndices()
protected JoinType	getJoinType(OuterJoinLoadable persister, PropertyPath path, int propertyNumber, AssociationType associationType, FetchMode metadataFetchMode, CascadeStyle metadataCascadeStyle, String lhsTable, String[] lhsColumns, boolean nullable, int currentDepth) Determine the appropriate type of join (if any) to use to fetch the given association.

Methods inherited from class org.hibernate.loader.AbstractEntityJoinWalker

getAlias, getPersister, getWhereFragment, initAll, initAll, initProjection, isDuplicateAssociation, isJoinedFetchEnabled, isJoinFetchEnabledByProfile, orderBy, toString

Methods inherited from class org.hibernate.loader.JoinWalker

countCollectionPersisters, countEntityPersisters, generateRootAlias, generateTableAlias, getAliases, getAssociations, getCollectionOwners, getCollectionPersisters, getCollectionSuffixes, getDialect, getFactory, getJoinType, getJoinType, getLoadQueryInfluencers, getLockModeArray, getLockModeOptions, getOwnerAssociationTypes, getOwners, getPersisters, getSQLString, getSuffixes, getWithClause, hasRestriction, initPersisters, initPersisters, initPersisters, isDuplicateAssociation, isJoinable, isJoinedFetchEnabledInMapping, isTooDeep, isTooManyCollections, mergeOrderings, mergeOuterJoins, orderBy, selectString, setAliases, setCollectionOwners, setCollectionPersisters, setCollectionSuffixes, setOwnerAssociationTypes, setOwners, setPersisters, setSql, setSuffixes, walkCollectionTree, walkEntityTree, whereString

Methods inherited from class java.lang.Object

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

Constructor Detail

EntityJoinWalker

public EntityJoinWalker(OuterJoinLoadable persister,
                        String[] uniqueKey,
                        int batchSize,
                        LockMode lockMode,
                        SessionFactoryImplementor factory,
                        LoadQueryInfluencers loadQueryInfluencers)
                 throws MappingException

Throws:

MappingException

EntityJoinWalker

public EntityJoinWalker(OuterJoinLoadable persister,
                        String[] uniqueKey,
                        int batchSize,
                        LockOptions lockOptions,
                        SessionFactoryImplementor factory,
                        LoadQueryInfluencers loadQueryInfluencers)
                 throws MappingException

Throws:

MappingException

Method Detail

getJoinType

protected JoinType getJoinType(OuterJoinLoadable persister,
                               PropertyPath path,
                               int propertyNumber,
                               AssociationType associationType,
                               FetchMode metadataFetchMode,
                               CascadeStyle metadataCascadeStyle,
                               String lhsTable,
                               String[] lhsColumns,
                               boolean nullable,
                               int currentDepth)
                        throws MappingException

Description copied from class: JoinWalker

Determine the appropriate type of join (if any) to use to fetch the given association.

Overrides:

getJoinType in class JoinWalker

Parameters:

persister - The owner of the association.

path - The path to the association

propertyNumber - The property number representing the association.

associationType - The association type.

metadataFetchMode - The metadata-defined fetch mode.

metadataCascadeStyle - The metadata-defined cascade style.

lhsTable - The owner table

lhsColumns - The owner join columns

nullable - Is the association nullable.

currentDepth - Current join depth

Returns:

type of join to use (JoinType.INNER_JOIN, JoinType.LEFT_OUTER_JOIN, or -1 to indicate no joining.

Throws:

MappingException - ??

getComment

public String getComment()

Specified by:

getComment in class AbstractEntityJoinWalker

getCompositeKeyManyToOneTargetIndices

public int[][] getCompositeKeyManyToOneTargetIndices()