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

Class GroupByItemBNF

java.lang.Object

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

org.eclipse.persistence.jpa.jpql.parser.GroupByItemBNF

public final class GroupByItemBNF
extends JPQLQueryBNF

The query BNF for a group by item expression.

BNF: groupby_item ::= single_valued_path_expression | identification_variable

Version:

2.4

Author:

Pascal Filion

Since:

2.3

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
GroupByItemBNF()	Creates a new GroupByItemBNF.

Method Summary

Modifier and Type	Method	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

GroupByItemBNF

public GroupByItemBNF()

Creates a new GroupByItemBNF.

Method Detail

initialize

protected void initialize()

Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories.

Overrides:

initialize in class JPQLQueryBNF