EclipseLink Core 4.0.2 · org.eclipse.persistence.internal.queries.JoinedAttributeManager

Modifier and Type	Field and Description
protected transient List<Expression>	additionalFieldExpressions
protected ExpressionBuilder	baseExpressionBuilder Stores the base builder for resolving joined attributes by name.
protected ObjectBuildingQuery	baseQuery Stores the base query.
protected transient List<AbstractRecord>	dataResults Stored all row results to -m joining.
protected transient Map<Object, List<AbstractRecord>>	dataResultsByPrimaryKey Stored all row results to -m joining by cache key.
protected transient ClassDescriptor	descriptor Stores the descriptor that these joins apply on
protected boolean	hasOuterJoinedAttribute PERF: Used to avoid null checks for inner attribute joining.
protected boolean	isToManyJoin Used to determine if -m joining has been used.
protected transient List<DatabaseMapping>	joinedAggregateMappings Stores AggregateObjectMapping expressions used within local join expressions
protected List<Expression>	joinedAttributeExpressions Stores the joined attributes added through the query
protected transient List<DatabaseMapping>	joinedAttributeMappings indexed list of mappings corresponding to
protected List<Expression>	joinedAttributes PERF: Cache the local joined attribute expressions.
protected List<Expression>	joinedMappingExpressions Stores the joined attributes as specified in the descriptor
protected transient Map<DatabaseMapping, Object>	joinedMappingIndexes Used internally for joining.
protected transient Map<DatabaseMapping, ObjectLevelReadQuery>	joinedMappingQueries Used internally for joining.
protected transient Map<DatabaseMapping, ObjectLevelReadQuery>	joinedMappingQueryClones PERF: Stores the cloned joinedMappingQueries.
protected Expression	lastJoinedAttributeBaseExpression Stores the last used base expression while adding joined attribute expression.
protected transient List<Expression>	orderByExpressions
protected int	parentResultIndex Stores the result index of the parent, used for oneToMany joins.
protected boolean	shouldFilterDuplicates Determine if duplicate rows should be filter when using 1-m joining.

Access	Constructor and Description
public	JoinedAttributeManager()
public	JoinedAttributeManager(ClassDescriptor descriptor, ExpressionBuilder baseBuilder, ObjectBuildingQuery baseQuery)

Method Summary

Modifier and Type	Method and Description
public Expression	addAndPrepareJoinedMapping(ForeignReferenceMapping mapping, AbstractSession session) Add the mapping for join fetch, prepare and return the join expression being used.
protected Expression	addExpressionAndBaseToGroupedList(Expression expression, List<E> expressionlist, Expression lastJoinedAttributeBaseExpression) adds expression and its base expressions recursively to the expressionList in groups, so that an expression is never listed before its base expression
public void	addJoinedAttribute(Expression attributeExpression)
public void	addJoinedAttributeExpression(Expression attributeExpression)
public void	addJoinedMapping(String attributeName) Add an attribute represented by the given attribute name to the list of joins for this query.
public void	addJoinedMappingExpression(Expression mappingExpression) Add an attribute represented by the given attribute name to the list of joins for this query.
public void	clear() Clear the joining state.
public void	clearDataResults() Clear the data-results for joined data for a 1-m join.
public JoinedAttributeManager	clone() Overrides java.lang.Object.clone. Clones the Joined Attribute Manager.
protected int	Returns: Current joined mapping index updated. computeIndexesForJoinedExpressions(final List<E> Join expressions `List`. joinedExpressions, int Current joined mapping index. currentIndex, final AbstractSession Current session. session) This method is used when computing the indexes for joined mappings.
public int	computeJoiningMappingIndexes(boolean includeAllSubclassFields, AbstractSession session, int offset) For joining the resulting rows include the field/values for many objects.
public void	computeJoiningMappingQueries(AbstractSession session) Used to optimize joining by pre-computing the nested join queries for the mappings.
protected void	computeNestedQueriesForJoinedExpressions(List<E> joinedExpressions, AbstractSession session, ObjectLevelReadQuery readQuery) This method is used when computing the nested queries for joined mappings.
public void	copyFrom(JoinedAttributeManager otherJoinManager) Copies settings from another manager.
public List<Expression>	getAdditionalFieldExpressions() Get the list of additional field expressions.
public List<Expression>	getAdditionalFieldExpressions_() Get the list of additional field expressions.
public ExpressionBuilder	getBaseExpressionBuilder() Returns the base expression builder for this query.
public ObjectBuildingQuery	getBaseQuery() Returns the base query.
public List<AbstractRecord>	getDataResults_() Return all of the rows fetched by the query, used for 1-m joining.
public Map<Object, List<AbstractRecord>>	getDataResultsByPrimaryKey() Return all of the rows fetched by the query by cache-key, used for 1-m joining.
public ClassDescriptor	getDescriptor()
public List<DatabaseMapping>	getJoinedAggregateMappings() Return the attributes that must be joined.
public List<Expression>	getJoinedAttributeExpressions() Return the attributes that must be joined.
public List<DatabaseMapping>	getJoinedAttributeMappings() Return the attributes that must be joined.
public List<Expression>	getJoinedAttributes() Return the attributes that must be joined.
public List<Expression>	getJoinedMappingExpressions() Get the list of expressions that represent elements that are joined because of their mapping for this query.
public Map<DatabaseMapping, Object>	getJoinedMappingIndexes_() Return the joined mapping indexes, used to compute mapping row partitions.
public Map<DatabaseMapping, ObjectLevelReadQuery>	getJoinedMappingQueries_() Return the joined mapping queries, used optimize joining, only compute the nested queries once.
public Map<DatabaseMapping, ObjectLevelReadQuery>	getJoinedMappingQueryClones()
public ObjectLevelReadQuery	getNestedJoinedMappingQuery(Expression expression) INTERNAL: Returns the nested query corresponding to the expression.
public List<Expression>	getOrderByExpressions() Get the list of orderBy expressions.
public List<Expression>	getOrderByExpressions_() Get the list of orderBy expressions.
public int	getParentResultIndex()
public Object	getValueFromObjectForExpression(AbstractSession session, Object clone, ObjectExpression expression) INTERNAL: Helper method to get the value from the clone for the expression passed in, triggering joins on all intermediate steps.
public boolean	hasAdditionalFieldExpressions() Return if there are additional field expressions.
public boolean	hasJoinedAttributeExpressions() Return the attributes that must be joined.
public boolean	hasJoinedAttributes() Return if any attributes are joined.
public boolean	hasJoinedExpressions() This method checks both attribute expressions and mapping expressions and determines if there are any joins to be made.
public boolean	hasJoinedMappingExpressions() Return the attributes that must be joined.
public boolean	hasOrderByExpressions() Return if there are orderBy expressions.
public boolean	hasOuterJoinedAttributeQuery() PERF: Return if the query uses any outer attribute joins, used to avoid null checks in building objects.
protected boolean	isAttributeExpressionJoined(DatabaseMapping attributeMapping) Return if the attribute is specified for joining.
public boolean	isAttributeJoined(ClassDescriptor mappingDescriptor, DatabaseMapping attributeMapping) Return if the attribute is specified for joining.
protected boolean	isAttributeMappingJoined(DatabaseMapping attributeMapping) Return whether the given attribute is joined as a result of a join on a mapping
protected boolean	isAttributeNameInJoinedExpressionList(String attributeName, List<E> joinedExpressionList) Iterate through a list of expressions searching for the given attribute name.
protected boolean	isMappingInJoinedExpressionList(DatabaseMapping attributeMapping, List<E> joinedExpressionList) Iterate through a list of expressions searching for the given attribute name.
public boolean	isToManyJoin() Return if the query uses any -m joins, and thus return duplicate/multiple rows.
protected Expression	prepareJoinExpression(Expression expression, AbstractSession session) Validate and prepare the join expression.
public void	prepareJoinExpressions(AbstractSession session) Validate and prepare join expressions.
protected void	processDataResults(AbstractSession session) Process the data-results for joined data for a 1-m join.
public AbstractRecord	processDataResults(AbstractRecord row, Cursor cursor, boolean forward) Process the data-results for joined data for a 1-m join.
public void	processJoinedMappings(AbstractSession session) This method collects the Joined Mappings from the descriptor and initializes them.
public void	reset() Reset the JoinedAttributeManager.
public void	setAdditionalFieldExpressions_(List<Expression> expressions) Set the list of additional field expressions.
protected void	setBaseExpressionBuilder(ExpressionBuilder builder) This method is called from within this package, it is used when initializing a ReportItem
public void	setBaseQuery(ObjectLevelReadQuery query) This method is called from within this package it is used when initializing a report Item
public void	setDataResults(List<E> dataResults, AbstractSession session) Set all of the rows fetched by the query, used for 1-m joining.
protected void	setDataResultsByPrimaryKey(Map<Object, List<AbstractRecord>> dataResultsByPrimaryKey) Set all of the rows fetched by the query by cache-key, used for 1-m joining.
public void	setDescriptor(ClassDescriptor descriptor) Called to set the descriptor on a Join Managerwith in a ReportItem, durring initialization, and durring DatabaseQuery.checkDescriptor.
protected void	setIsOuterJoinedAttributeQuery(boolean isOuterJoinedAttribute) PERF: Set if the query uses any outer attribute joins, used to avoid null checks in building objects.
public void	setIsToManyJoinQuery(boolean isToManyJoin) Set if the query uses any -m joins, and thus return duplicate/multiple rows.
public void	setJoinedAttributeExpressions_(List<E> joinedExpressions) Set the list of expressions that represent elements that are joined because of their mapping for this query.
public void	setJoinedMappingExpressions_(List<E> joinedMappingExpressions) Set the list of expressions that represent elements that are joined because of their mapping for this query.
public void	setJoinedMappingIndexes_(Map<K, V> joinedMappingIndexes) Set the joined mapping indexes, used to compute mapping row partitions.
public void	setJoinedMappingQueries_(Map<K, V> joinedMappingQueries) Set the joined mapping queries, used optimize joining, only compute the nested queries once.
public void	setJoinedMappingQueryClones(Map<K, V> joinedMappingQueryClones)
public void	setOrderByExpressions_(List<Expression> expressions) Set the list of orderBy expressions.
public void	setParentResultIndex(int parentsResultIndex)
public void	setShouldFilterDuplicates(boolean shouldFilterDuplicates) Set if duplicate rows should be filter when using 1-m joining.
public ForUpdateOfClause	setupLockingClauseForJoinedExpressions(ForUpdateOfClause lockingClause, AbstractSession session) Used for joining in conjunction with pessimistic locking.
private ForUpdateOfClause	setupLockingClauseForJoinedExpressions(List<E> joinedExpressions, AbstractSession session, ForUpdateOfClause lockingClause) Used for joining in conjunction with pessimistic locking.
public boolean	shouldFilterDuplicates() Return if duplicate rows should be filter when using 1-m joining.

Inherited from java.lang.Object:: equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

additionalFieldExpressions	back to summary
protected transient List<Expression> additionalFieldExpressions

baseExpressionBuilder	back to summary
protected ExpressionBuilder baseExpressionBuilder Stores the base builder for resolving joined attributes by name.

baseQuery	back to summary
protected ObjectBuildingQuery baseQuery Stores the base query.

dataResults	back to summary
protected transient List<AbstractRecord> dataResults Stored all row results to -m joining.

dataResultsByPrimaryKey	back to summary
protected transient Map<Object, List<AbstractRecord>> dataResultsByPrimaryKey Stored all row results to -m joining by cache key.

descriptor	back to summary
protected transient ClassDescriptor descriptor Stores the descriptor that these joins apply on

hasOuterJoinedAttribute	back to summary
protected boolean hasOuterJoinedAttribute PERF: Used to avoid null checks for inner attribute joining.

isToManyJoin	back to summary
protected boolean isToManyJoin Used to determine if -m joining has been used.

joinedAggregateMappings	back to summary
protected transient List<DatabaseMapping> joinedAggregateMappings Stores AggregateObjectMapping expressions used within local join expressions

joinedAttributeExpressions	back to summary
protected List<Expression> joinedAttributeExpressions Stores the joined attributes added through the query

joinedAttributeMappings	back to summary
protected transient List<DatabaseMapping> joinedAttributeMappings indexed list of mappings corresponding to

joinedAttributes	back to summary
protected List<Expression> joinedAttributes PERF: Cache the local joined attribute expressions.

joinedMappingExpressions	back to summary
protected List<Expression> joinedMappingExpressions Stores the joined attributes as specified in the descriptor

joinedMappingIndexes	back to summary
protected transient Map<DatabaseMapping, Object> joinedMappingIndexes Used internally for joining.

joinedMappingQueries	back to summary
protected transient Map<DatabaseMapping, ObjectLevelReadQuery> joinedMappingQueries Used internally for joining.

joinedMappingQueryClones	back to summary
protected transient Map<DatabaseMapping, ObjectLevelReadQuery> joinedMappingQueryClones PERF: Stores the cloned joinedMappingQueries.

lastJoinedAttributeBaseExpression	back to summary
protected Expression lastJoinedAttributeBaseExpression Stores the last used base expression while adding joined attribute expression.

orderByExpressions	back to summary
protected transient List<Expression> orderByExpressions

parentResultIndex	back to summary
protected int parentResultIndex Stores the result index of the parent, used for oneToMany joins.

shouldFilterDuplicates	back to summary
protected boolean shouldFilterDuplicates Determine if duplicate rows should be filter when using 1-m joining.

Constructor Detail

JoinedAttributeManager	back to summary
public JoinedAttributeManager()

JoinedAttributeManager	back to summary
public JoinedAttributeManager(ClassDescriptor descriptor, ExpressionBuilder baseBuilder, ObjectBuildingQuery baseQuery)

Method Detail

addAndPrepareJoinedMapping	back to summary
public Expression addAndPrepareJoinedMapping(ForeignReferenceMapping mapping, AbstractSession session) Add the mapping for join fetch, prepare and return the join expression being used.

addExpressionAndBaseToGroupedList	back to summary
protected Expression addExpressionAndBaseToGroupedList(Expression expression, List<E> expressionlist, Expression lastJoinedAttributeBaseExpression) adds expression and its base expressions recursively to the expressionList in groups, so that an expression is never listed before its base expression

addJoinedAttribute	back to summary
public void addJoinedAttribute(Expression attributeExpression)

addJoinedAttributeExpression	back to summary
public void addJoinedAttributeExpression(Expression attributeExpression)

addJoinedMapping	back to summary
public void addJoinedMapping(String attributeName) Add an attribute represented by the given attribute name to the list of joins for this query. Note Mapping level joins are represented separately from query level joins.

addJoinedMappingExpression	back to summary
public void addJoinedMappingExpression(Expression mappingExpression) Add an attribute represented by the given attribute name to the list of joins for this query. Note Mapping level joins are represented separately from query level joins.

clear	back to summary
public void clear() Clear the joining state. This is used to redefine a queries joins for nested joins.

clearDataResults	back to summary
public void clearDataResults() Clear the data-results for joined data for a 1-m join.

clone	back to summary
public JoinedAttributeManager clone() Overrides java.lang.Object.clone. Clones the Joined Attribute Manager. Generally called from Query.clone(). Returns:JoinedAttributeManager Doc from java.lang.Object.clone. a clone of this instance. Annotations @Override

clone

back to summary

public JoinedAttributeManager clone()

Overrides java.lang.Object.clone.

Clones the Joined Attribute Manager. Generally called from Query.clone().

Returns:JoinedAttributeManager

Doc from java.lang.Object.clone.

a clone of this instance.

Annotations

@Override

computeIndexesForJoinedExpressions back to summary

computeIndexesForJoinedExpressions	back to summary
protected int computeIndexesForJoinedExpressions(final List<E> joinedExpressions, int currentIndex, final AbstractSession session) This method is used when computing the indexes for joined mappings. It iterates through a list of join expressions and adds an index that represents where the fields represented by that expression will appear in the row returned by a read query. Method `computeNestedQueriesForJoinedExpressions(List, AbstractSession, ObjectLevelReadQuery)` must be already called. Parameters joinedExpressions:List<E> Join expressions `List`. currentIndex:int Current joined mapping index. session:AbstractSession Current session. Returns:int Current joined mapping index updated.

protected int computeIndexesForJoinedExpressions(final List<E> joinedExpressions, int currentIndex, final AbstractSession session)

This method is used when computing the indexes for joined mappings. It iterates through a list of join expressions and adds an index that represents where the fields represented by that expression will appear in the row returned by a read query. Method computeNestedQueriesForJoinedExpressions(List, AbstractSession, ObjectLevelReadQuery) must be already called.

Parameters

joinedExpressions:List<E>: Join expressions List.
currentIndex:int: Current joined mapping index.
session:AbstractSession: Current session.

Returns:int

Current joined mapping index updated.

computeJoiningMappingIndexes	back to summary
public int computeJoiningMappingIndexes(boolean includeAllSubclassFields, AbstractSession session, int offset) For joining the resulting rows include the field/values for many objects. As some of the objects may have the same field names, these row partitions need to be calculated. The indexes are stored in the query and used later when building the objects.

computeJoiningMappingQueries	back to summary
public void computeJoiningMappingQueries(AbstractSession session) Used to optimize joining by pre-computing the nested join queries for the mappings.

computeNestedQueriesForJoinedExpressions	back to summary
protected void computeNestedQueriesForJoinedExpressions(List<E> joinedExpressions, AbstractSession session, ObjectLevelReadQuery readQuery) This method is used when computing the nested queries for joined mappings. It recurses computing the nested mapping queries and their join indexes.

copyFrom	back to summary
public void copyFrom(JoinedAttributeManager otherJoinManager) Copies settings from another manager. Should copy all the attributes that clone method clones.

getAdditionalFieldExpressions	back to summary
public List<Expression> getAdditionalFieldExpressions() Get the list of additional field expressions.

getAdditionalFieldExpressions_	back to summary
public List<Expression> getAdditionalFieldExpressions_() Get the list of additional field expressions.

getBaseExpressionBuilder	back to summary
public ExpressionBuilder getBaseExpressionBuilder() Returns the base expression builder for this query.

getBaseQuery	back to summary
public ObjectBuildingQuery getBaseQuery() Returns the base query.

getDataResults_	back to summary
public List<AbstractRecord> getDataResults_() Return all of the rows fetched by the query, used for 1-m joining.

getDataResultsByPrimaryKey	back to summary
public Map<Object, List<AbstractRecord>> getDataResultsByPrimaryKey() Return all of the rows fetched by the query by cache-key, used for 1-m joining.

getDescriptor	back to summary
public ClassDescriptor getDescriptor()

getJoinedAggregateMappings	back to summary
public List<DatabaseMapping> getJoinedAggregateMappings() Return the attributes that must be joined.

getJoinedAttributeExpressions	back to summary
public List<Expression> getJoinedAttributeExpressions() Return the attributes that must be joined.

getJoinedAttributeMappings	back to summary
public List<DatabaseMapping> getJoinedAttributeMappings() Return the attributes that must be joined.

getJoinedAttributes	back to summary
public List<Expression> getJoinedAttributes() Return the attributes that must be joined.

getJoinedMappingExpressions	back to summary
public List<Expression> getJoinedMappingExpressions() Get the list of expressions that represent elements that are joined because of their mapping for this query.

getJoinedMappingIndexes_	back to summary
public Map<DatabaseMapping, Object> getJoinedMappingIndexes_() Return the joined mapping indexes, used to compute mapping row partitions.

getJoinedMappingQueries_	back to summary
public Map<DatabaseMapping, ObjectLevelReadQuery> getJoinedMappingQueries_() Return the joined mapping queries, used optimize joining, only compute the nested queries once.

getJoinedMappingQueryClones	back to summary
public Map<DatabaseMapping, ObjectLevelReadQuery> getJoinedMappingQueryClones()

getNestedJoinedMappingQuery	back to summary
public ObjectLevelReadQuery getNestedJoinedMappingQuery(Expression expression) INTERNAL: Returns the nested query corresponding to the expression. The passed expression should be either join mapping or joined attribute expression.

getOrderByExpressions	back to summary
public List<Expression> getOrderByExpressions() Get the list of orderBy expressions.

getOrderByExpressions_	back to summary
public List<Expression> getOrderByExpressions_() Get the list of orderBy expressions.

getParentResultIndex	back to summary
public int getParentResultIndex()

getValueFromObjectForExpression	back to summary
public Object getValueFromObjectForExpression(AbstractSession session, Object clone, ObjectExpression expression) INTERNAL: Helper method to get the value from the clone for the expression passed in, triggering joins on all intermediate steps. Example expression "emp.project.pk" with a clone Employee will trigger indirection and return the project pk value.

hasAdditionalFieldExpressions	back to summary
public boolean hasAdditionalFieldExpressions() Return if there are additional field expressions.

hasJoinedAttributeExpressions	back to summary
public boolean hasJoinedAttributeExpressions() Return the attributes that must be joined.

hasJoinedAttributes	back to summary
public boolean hasJoinedAttributes() Return if any attributes are joined. This is a convience method that is only valid after prepare.

hasJoinedExpressions	back to summary
public boolean hasJoinedExpressions() This method checks both attribute expressions and mapping expressions and determines if there are any joins to be made.

hasJoinedMappingExpressions	back to summary
public boolean hasJoinedMappingExpressions() Return the attributes that must be joined.

hasOrderByExpressions	back to summary
public boolean hasOrderByExpressions() Return if there are orderBy expressions.

hasOuterJoinedAttributeQuery	back to summary
public boolean hasOuterJoinedAttributeQuery() PERF: Return if the query uses any outer attribute joins, used to avoid null checks in building objects.

isAttributeExpressionJoined	back to summary
protected boolean isAttributeExpressionJoined(DatabaseMapping attributeMapping) Return if the attribute is specified for joining.

isAttributeJoined	back to summary
public boolean isAttributeJoined(ClassDescriptor mappingDescriptor, DatabaseMapping attributeMapping) Return if the attribute is specified for joining.

isAttributeMappingJoined	back to summary
protected boolean isAttributeMappingJoined(DatabaseMapping attributeMapping) Return whether the given attribute is joined as a result of a join on a mapping

isAttributeNameInJoinedExpressionList	back to summary
protected boolean isAttributeNameInJoinedExpressionList(String attributeName, List<E> joinedExpressionList) Iterate through a list of expressions searching for the given attribute name. Return true if it is found, false otherwise.

isMappingInJoinedExpressionList	back to summary
protected boolean isMappingInJoinedExpressionList(DatabaseMapping attributeMapping, List<E> joinedExpressionList) Iterate through a list of expressions searching for the given attribute name. Return true if it is found, false otherwise. Only use if the query was preprepared so that join expressions were processed.

isToManyJoin	back to summary
public boolean isToManyJoin() Return if the query uses any -m joins, and thus return duplicate/multiple rows.

prepareJoinExpression	back to summary
protected Expression prepareJoinExpression(Expression expression, AbstractSession session) Validate and prepare the join expression.

prepareJoinExpressions	back to summary
public void prepareJoinExpressions(AbstractSession session) Validate and prepare join expressions.

processDataResults	back to summary
protected void processDataResults(AbstractSession session) Process the data-results for joined data for a 1-m join. This allows all the data to be processed once, instead of n times for each object.

processDataResults	back to summary
public AbstractRecord processDataResults(AbstractRecord row, Cursor cursor, boolean forward) Process the data-results for joined data for a 1-m join. This allows incremental processing for a cursor.

processJoinedMappings	back to summary
public void processJoinedMappings(AbstractSession session) This method collects the Joined Mappings from the descriptor and initializes them. Excludes the mapping that are not in the passed mappingsAllowedToJoin set (if it's not null).

reset	back to summary
public void reset() Reset the JoinedAttributeManager. This will be called when the Query is re-prepared

setAdditionalFieldExpressions_	back to summary
public void setAdditionalFieldExpressions_(List<Expression> expressions) Set the list of additional field expressions.

setBaseExpressionBuilder	back to summary
protected void setBaseExpressionBuilder(ExpressionBuilder builder) This method is called from within this package, it is used when initializing a ReportItem

setBaseQuery	back to summary
public void setBaseQuery(ObjectLevelReadQuery query) This method is called from within this package it is used when initializing a report Item

setDataResults	back to summary
public void setDataResults(List<E> dataResults, AbstractSession session) Set all of the rows fetched by the query, used for 1-m joining.

setDataResultsByPrimaryKey	back to summary
protected void setDataResultsByPrimaryKey(Map<Object, List<AbstractRecord>> dataResultsByPrimaryKey) Set all of the rows fetched by the query by cache-key, used for 1-m joining.

setDescriptor	back to summary
public void setDescriptor(ClassDescriptor descriptor) Called to set the descriptor on a Join Managerwith in a ReportItem, durring initialization, and durring DatabaseQuery.checkDescriptor.

setIsOuterJoinedAttributeQuery	back to summary
protected void setIsOuterJoinedAttributeQuery(boolean isOuterJoinedAttribute) PERF: Set if the query uses any outer attribute joins, used to avoid null checks in building objects.

setIsToManyJoinQuery	back to summary
public void setIsToManyJoinQuery(boolean isToManyJoin) Set if the query uses any -m joins, and thus return duplicate/multiple rows.

setJoinedAttributeExpressions_	back to summary
public void setJoinedAttributeExpressions_(List<E> joinedExpressions) Set the list of expressions that represent elements that are joined because of their mapping for this query.

setJoinedMappingExpressions_	back to summary
public void setJoinedMappingExpressions_(List<E> joinedMappingExpressions) Set the list of expressions that represent elements that are joined because of their mapping for this query.

setJoinedMappingIndexes_	back to summary
public void setJoinedMappingIndexes_(Map<K, V> joinedMappingIndexes) Set the joined mapping indexes, used to compute mapping row partitions.

setJoinedMappingQueries_	back to summary
public void setJoinedMappingQueries_(Map<K, V> joinedMappingQueries) Set the joined mapping queries, used optimize joining, only compute the nested queries once.

setJoinedMappingQueryClones	back to summary
public void setJoinedMappingQueryClones(Map<K, V> joinedMappingQueryClones)

setOrderByExpressions_	back to summary
public void setOrderByExpressions_(List<Expression> expressions) Set the list of orderBy expressions.

setParentResultIndex	back to summary
public void setParentResultIndex(int parentsResultIndex)

setShouldFilterDuplicates	back to summary
public void setShouldFilterDuplicates(boolean shouldFilterDuplicates) Set if duplicate rows should be filter when using 1-m joining.

setupLockingClauseForJoinedExpressions	back to summary
public ForUpdateOfClause setupLockingClauseForJoinedExpressions(ForUpdateOfClause lockingClause, AbstractSession session) Used for joining in conjunction with pessimistic locking. Iterate through a list of joined expressions and ensure expression is set on the locking clause for each expression that represents a pessimisically locked descriptor.

setupLockingClauseForJoinedExpressions	back to summary
private ForUpdateOfClause setupLockingClauseForJoinedExpressions(List<E> joinedExpressions, AbstractSession session, ForUpdateOfClause lockingClause) Used for joining in conjunction with pessimistic locking. Iterate through a list of joined expressions and ensure expression is set on the locking clause for each expression that represents a pessimisically locked descriptor.

shouldFilterDuplicates	back to summary
public boolean shouldFilterDuplicates() Return if duplicate rows should be filter when using 1-m joining.

public Class JoinedAttributeManager

Field Summary

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Field Detail

Constructor Detail

Method Detail