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:

java.lang.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

Since:

2.3

Field Summary

static java.lang.String

ID The unique identifier of this KeyExpressionFactory.

Constructor Summary

KeyExpressionFactory()
Creates a new KeyExpressionFactory.

Method Summary

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, getFallBackExpressionFactoryId, getId, hashCode, identifiers, setFallBackExpressionFactory, toString

Methods inherited from class java.lang.Object

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

Field Detail

ID

public static final java.lang.String ID

The unique identifier of this KeyExpressionFactory.

See Also:

Constant Field Values

Constructor Detail

KeyExpressionFactory

public KeyExpressionFactory()

Creates a new KeyExpressionFactory.

Method Detail

buildExpression

protected AbstractExpression buildExpression(AbstractExpression parent)

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