org.eclipse.persistence.jpa.jpql.parser

Class ExistsExpressionBNF

java.lang.Object

org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF

org.eclipse.persistence.jpa.jpql.parser.ExistsExpressionBNF

public final class ExistsExpressionBNF
extends JPQLQueryBNF

The query BNF for the exists expression.

BNF: exists_expression::= [NOT] EXISTS (subquery)

Since:

2.3

Version:

2.4

Author:

Pascal Filion

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ID The unique identifier of this BNF rule.

Constructor Summary

Constructors

Constructor and Description
ExistsExpressionBNF() Creates a new ExistsExpressionBNF.

Method Summary

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

children, getExpressionFactory, getExpressionFactoryIds, getExpressionRegistry, getFallbackBNFId, getFallbackExpressionFactoryId, getId, getIdentifiers, handleAggregate, handleCollection, handlesNestedArray, handleSubExpression, hasChild, hasIdentifier, isCompound, nonCompoundChildren, setCompound, setFallbackBNFId, setFallbackExpressionFactoryId, setHandleAggregate, setHandleCollection, setHandleNestedArray, setHandleSubExpression, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ID

public static final java.lang.String ID

The unique identifier of this BNF rule.

See Also:

Constant Field Values

Constructor Detail

ExistsExpressionBNF

public ExistsExpressionBNF()

Creates a new ExistsExpressionBNF.