org.hibernate.loader.collection
Class BasicCollectionJoinWalker

java.lang.Object
  org.hibernate.loader.JoinWalker
      org.hibernate.loader.collection.CollectionJoinWalker
          org.hibernate.loader.collection.BasicCollectionJoinWalker

public class BasicCollectionJoinWalker
extends CollectionJoinWalker

Walker for collections of values and many-to-many associations

Author:

Gavin King

See Also:

BasicCollectionLoader

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, lockOptions, ownerAssociationTypes, owners, persisters, sql, suffixes

Constructor Summary

BasicCollectionJoinWalker(QueryableCollection collectionPersister, int batchSize, String subquery, SessionFactoryImplementor factory, LoadQueryInfluencers loadQueryInfluencers)

Method Summary

protected int	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.
String	toString()

Methods inherited from class org.hibernate.loader.collection.CollectionJoinWalker

whereString

Methods inherited from class org.hibernate.loader.JoinWalker

countCollectionPersisters, countEntityPersisters, generateRootAlias, generateTableAlias, getAliases, getCollectionOwners, getCollectionPersisters, getCollectionSuffixes, getDialect, getFactory, getJoinType, getJoinType, getLoadQueryInfluencers, getLockModeArray, getLockModeOptions, getOwnerAssociationTypes, getOwners, getPersisters, getSQLString, getSuffixes, getWithClause, hasRestriction, initPersisters, initPersisters, initPersisters, isDuplicateAssociation, isDuplicateAssociation, isJoinable, isJoinedFetchEnabled, isJoinedFetchEnabledInMapping, isTooDeep, isTooManyCollections, mergeOrderings, mergeOuterJoins, orderBy, 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

BasicCollectionJoinWalker

public BasicCollectionJoinWalker(QueryableCollection collectionPersister,
                                 int batchSize,
                                 String subquery,
                                 SessionFactoryImplementor factory,
                                 LoadQueryInfluencers loadQueryInfluencers)
                          throws MappingException

Throws:

MappingException

Method Detail

getJoinType

protected int 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 (JoinFragment.INNER_JOIN, JoinFragment.LEFT_OUTER_JOIN, or -1 to indicate no joining.

Throws:

MappingException - ??

toString

public String toString()

Overrides:

toString in class Object