Package org.eclipse.persistence.jpa.jpql.parser

Class KeyExpressionFactory

java.lang.Object

org.eclipse.persistence.jpa.jpql.parser.ExpressionFactory

org.eclipse.persistence.jpa.jpql.parser.GeneralIdentificationExpressionFactory

org.eclipse.persistence.jpa.jpql.parser.KeyExpressionFactory

All Implemented Interfaces:

Comparable<ExpressionFactory>

public final class KeyExpressionFactory
extends GeneralIdentificationExpressionFactory

This KeyExpressionFactory creates a new KeyExpression when the portion of the query to parse starts with KEY.

Version:

2.4

See Also:

• KeyExpression

Author:

Pascal Filion

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ID	The unique identifier of this KeyExpressionFactory.

Constructor Summary

Constructors

Constructor	Description
KeyExpressionFactory()	Creates a new KeyExpressionFactory.

Method Summary

Modifier and Type	Method	Description
protected AbstractExpression	buildExpression(AbstractExpression parent)	Creates the actual expression this factory manages.

Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.GeneralIdentificationExpressionFactory

buildExpression

Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.ExpressionFactory

compareTo, equals, getExpressionRegistry, getId, hashCode, identifiers, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

ID

public static final String ID

The unique identifier of this KeyExpressionFactory.

See Also:

• Constant Field Values

Constructor Details

KeyExpressionFactory

public KeyExpressionFactory()

Creates a new KeyExpressionFactory.

Method Details

buildExpression

protected AbstractExpression buildExpression(AbstractExpression parent)

Description copied from class: GeneralIdentificationExpressionFactory

Creates the actual expression this factory manages.

Specified by:

buildExpression in class GeneralIdentificationExpressionFactory

Parameters:

parent - The parent of this expression

Returns:

The Expression this factory manages