EclipseLink 2.4.2, build 'v20130514-5956486' API Reference

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

java.lang.Object
  extended by org.eclipse.persistence.jpa.jpql.parser.DefaultEclipseLinkJPQLGrammar
All Implemented Interfaces:
JPQLGrammar

public final class DefaultEclipseLinkJPQLGrammar
extends java.lang.Object
implements JPQLGrammar

This JPQL grammar provides support for parsing JPQL queries defined by the JPA 2.1 functional specification and the EclipseLink 2.4.

Version:
2.4
See Also:
JPQLGrammar2_1, EclipseLinkJPQLGrammar2_4
Author:
Pascal Filion
Since:
2.4

Method Summary
 ExpressionRegistry getExpressionRegistry()
          Returns the registry containing the JPQLQueryBNFs and the ExpressionFactories that are used to properly parse a JPQL query.
 JPAVersion getJPAVersion()
          Returns the JPAVersion of the Java Persistence supported by this grammar.
 java.lang.String getProviderVersion()
          Returns the version of the persistence provider.
static JPQLGrammar instance()
          Returns the singleton instance of this class.
 java.lang.String toString()
          
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Method Detail

instance

public static JPQLGrammar instance()
Returns the singleton instance of this class.

Returns:
The latest JPQLGrammar that supports EclipseLink

getExpressionRegistry

public ExpressionRegistry getExpressionRegistry()
Returns the registry containing the JPQLQueryBNFs and the ExpressionFactories that are used to properly parse a JPQL query.

Specified by:
getExpressionRegistry in interface JPQLGrammar
Returns:
The registry containing the information related to the JPQL grammar

getJPAVersion

public JPAVersion getJPAVersion()
Returns the JPAVersion of the Java Persistence supported by this grammar.

Specified by:
getJPAVersion in interface JPQLGrammar
Returns:
The JPA version supported by this grammar

getProviderVersion

public java.lang.String getProviderVersion()
Returns the version of the persistence provider.

Specified by:
getProviderVersion in interface JPQLGrammar
Returns:
The version of the persistence provider, if one is extending the default JPQL grammar defined in the Java Persistence specification, otherwise returns an empty string

toString

public java.lang.String toString()

Overrides:
toString in class java.lang.Object

EclipseLink 2.4.2, build 'v20130514-5956486' API Reference