Module org.eclipse.persistence.jpa.jpql

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

Class SingleValuedPathExpressionBNF

java.lang.Object

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

org.eclipse.persistence.jpa.jpql.parser.SingleValuedPathExpressionBNF

public final class SingleValuedPathExpressionBNF
extends JPQLQueryBNF

The query BNF for a single valued path expression.

JPA 1.0:

BNF: single_valued_path_expression ::= state_field_path_expression | single_valued_association_path_expression

JPA 2.0:

BNF: single_valued_path_expression ::= qualified_identification_variable | state_field_path_expression | single_valued_object_path_expression

Since:

2.3

Version:

2.4

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
SingleValuedPathExpressionBNF()	Creates a new SingleValuedPathExpressionBNF.

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 Details

ID

public static final String ID

The unique identifier of this BNF rule.

See Also:

• Constant Field Values

Constructor Details

SingleValuedPathExpressionBNF

public SingleValuedPathExpressionBNF()

Creates a new SingleValuedPathExpressionBNF.

Method Details

initialize

protected void initialize()

Description copied from class: JPQLQueryBNF

Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories.

Overrides:

initialize in class JPQLQueryBNF