org.eclipse.persistence.internal.jpa.querydef

Class CompoundSelectionImpl

java.lang.Object

org.eclipse.persistence.internal.jpa.querydef.SelectionImpl

org.eclipse.persistence.internal.jpa.querydef.CompoundSelectionImpl

All Implemented Interfaces:

java.io.Serializable, InternalSelection

Direct Known Subclasses:

ConstructorSelectionImpl

public class CompoundSelectionImpl
extends SelectionImpl

Purpose: Contains the implementation of the Selection interface of the JPA criteria API.

Description: The Selection is the expression describing what should be returned by the query.

Since:

EclipseLink 1.2

Author:

gyorke

See Also:

Join, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.ArrayList<java.lang.String>	duplicateAliasNames
protected java.util.ArrayList<<any>>	subSelections

Fields inherited from class org.eclipse.persistence.internal.jpa.querydef.SelectionImpl

alias, currentNode, javaType

Constructor Summary

Constructors

Constructor and Description
CompoundSelectionImpl(java.lang.Class javaType, Selection[] subSelections)
CompoundSelectionImpl(java.lang.Class javaType, Selection[] subSelections, boolean validate)

Method Summary

Modifier and Type	Method and Description
void	findRootAndParameters(CommonAbstractCriteriaImpl criteriaQuery)
java.util.List<<any>>	getCompoundSelectionItems() Return selection items composing a compound selection
protected java.util.List<java.lang.String>	getDuplicateAliasNames() Returns the collection used to store any duplicate alias names found within this CompoundSelection Item
boolean	isCompoundSelection() Whether the selection item is a compound selection

Methods inherited from class org.eclipse.persistence.internal.jpa.querydef.SelectionImpl

alias, getAlias, getCurrentNode, getJavaType, isConstructor, isFrom, isRoot

Methods inherited from class java.lang.Object

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

Field Detail

subSelections

protected java.util.ArrayList<<any>> subSelections

duplicateAliasNames

protected java.util.ArrayList<java.lang.String> duplicateAliasNames

Constructor Detail

CompoundSelectionImpl

public CompoundSelectionImpl(java.lang.Class javaType,
                             Selection[] subSelections)

CompoundSelectionImpl

public CompoundSelectionImpl(java.lang.Class javaType,
                             Selection[] subSelections,
                             boolean validate)

Method Detail

isCompoundSelection

public boolean isCompoundSelection()

Whether the selection item is a compound selection

Overrides:

isCompoundSelection in class SelectionImpl

Returns:

boolean

getCompoundSelectionItems

public java.util.List<<any>> getCompoundSelectionItems()

Return selection items composing a compound selection

Overrides:

getCompoundSelectionItems in class SelectionImpl

Returns:

list of selection items

Throws:

java.lang.IllegalStateException - if selection is not a compound selection

getDuplicateAliasNames

protected java.util.List<java.lang.String> getDuplicateAliasNames()

Returns the collection used to store any duplicate alias names found within this CompoundSelection Item

Returns:

list of alias Strings.

findRootAndParameters

public void findRootAndParameters(CommonAbstractCriteriaImpl criteriaQuery)