InternalOrderByItemBNF (EclipseLink 4.0.2, API Reference)

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:

2.5.1

Author:

Pascal Filion

Since:

2.3

Field Summary

Fields
Modifier and Type Field Description

static String ID
The unique identifier for this InternalOrderByItemBNF.

Constructor Summary

Constructors
Constructor Description

InternalOrderByItemBNF()
Creates a new InternalOrderByItemBNF.

Method Summary

All Methods Instance Methods Concrete Methods
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 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()
```
    Description copied from class: JPQLQueryBNF
    
    Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories.
    
    Overrides:
    
    initialize in class JPQLQueryBNF