Module org.eclipse.persistence.core

Package org.eclipse.persistence.internal.expressions

Class OuterJoinExpressionHolder

java.lang.Object

org.eclipse.persistence.internal.expressions.OuterJoinExpressionHolder

All Implemented Interfaces:

Serializable, Comparable

public class OuterJoinExpressionHolder
extends Object
implements Comparable, Serializable

Holder class storing a QueryKeyExpression representing an outer join plus some data calculated by method appendFromClauseForOuterJoin.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
OuterJoinExpressionHolder(OuterJoinExpressionHolder holder)
OuterJoinExpressionHolder(SQLSelectStatement statement, ObjectExpression joinExpression, Expression outerJoinedMappingCriteria, Map<DatabaseTable,Expression> outerJoinedAdditionalJoinCriteria, ClassDescriptor descriptor)

Method Summary

Modifier and Type	Method	Description
int	compareTo(Object other)
void	createIndexList(Map<DatabaseTable,OuterJoinExpressionHolder> targetAliasToHolders, Map<DatabaseTable,Integer> aliasToIndexes)
protected ForUpdateClause	getForUpdateClause()
Map<DatabaseTable,DatabaseTable>	getTableAliases()	INTERNAL: Return the aliases used.
boolean	hasAdditionalJoinExpressions()
boolean	hasMapKeyHolder()
protected void	process(boolean usesHistory)
protected void	process(boolean usesHistory, boolean isMapKeyHolder)

Methods inherited from class java.lang.Object

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

Constructor Detail

OuterJoinExpressionHolder

public OuterJoinExpressionHolder(SQLSelectStatement statement,
                                 ObjectExpression joinExpression,
                                 Expression outerJoinedMappingCriteria,
                                 Map<DatabaseTable,Expression> outerJoinedAdditionalJoinCriteria,
                                 ClassDescriptor descriptor)

OuterJoinExpressionHolder

public OuterJoinExpressionHolder(OuterJoinExpressionHolder holder)

Method Detail

process

protected void process(boolean usesHistory)

process

protected void process(boolean usesHistory,
                       boolean isMapKeyHolder)

hasAdditionalJoinExpressions

public boolean hasAdditionalJoinExpressions()

hasMapKeyHolder

public boolean hasMapKeyHolder()

createIndexList

public void createIndexList(Map<DatabaseTable,OuterJoinExpressionHolder> targetAliasToHolders,
                            Map<DatabaseTable,Integer> aliasToIndexes)

compareTo

public int compareTo(Object other)

Specified by:

compareTo in interface Comparable

getTableAliases

public Map<DatabaseTable,DatabaseTable> getTableAliases()

INTERNAL: Return the aliases used.

getForUpdateClause

protected ForUpdateClause getForUpdateClause()