org.eclipse.persistence.jpa.jpql.parser
Class InternalOrderByItemBNF

java.lang.Object
  org.eclipse.persistence.jpa.jpql.parser.JPQLQueryBNF
      org.eclipse.persistence.jpa.jpql.parser.InternalOrderByItemBNF

public final class InternalOrderByItemBNF
extends JPQLQueryBNF

The query BNF for an order by item.

JPA 1.0:

BNF: orderby_item ::= state_field_path_expression [ ASC | DESC ]

JPA 2.0

BNF: orderby_item ::= state_field_path_expression | result_variable [ ASC | DESC ]

Version:

2.4

Author:

Pascal Filion

Since:

2.3

Field Summary

static java.lang.String

ID The unique identifier for this InternalOrderByItemBNF.

Constructor Summary

InternalOrderByItemBNF()
Creates a new InternalOrderByItemBNF.

Method Summary

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, handlesSubExpression, hasIdentifier, isCompound, nonCompoundChildren, registerChild, registerExpressionFactory, setCompound, setFallbackBNFId, setFallbackExpressionFactoryId, setHandleAggregate, setHandleCollection, 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 for this InternalOrderByItemBNF.

See Also:

Constant Field Values

Constructor Detail

InternalOrderByItemBNF

public InternalOrderByItemBNF()

Creates a new InternalOrderByItemBNF.

Method Detail

initialize

protected void initialize()

Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories.

Overrides:

initialize in class JPQLQueryBNF