org.eclipse.persistence.jpa.jpql.parser

Class CoalesceExpressionBNF

java.lang.Object

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

org.eclipse.persistence.jpa.jpql.parser.CoalesceExpressionBNF

public final class CoalesceExpressionBNF
extends JPQLQueryBNF

The query BNF for a coalesce expression.

BNF: coalesce_expression::= COALESCE(scalar_expression {, scalar_expression}+)

Version:

2.4

Author:

Pascal Filion

Since:

2.3

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
CoalesceExpressionBNF() Creates a new CoalesceExpressionBNF.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	initialize() Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories.

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, registerChild, registerExpressionFactory, setCompound, setFallbackBNFId, setFallbackExpressionFactoryId, setHandleAggregate, setHandleCollection, setHandleNestedArray, setHandleSubExpression, toString, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, 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

CoalesceExpressionBNF

public CoalesceExpressionBNF()

Creates a new CoalesceExpressionBNF.

Method Detail

initialize

protected void initialize()

Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories.

Overrides:

initialize in class JPQLQueryBNF