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

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

public final class InternalConcatExpressionBNF
extends JPQLQueryBNF

The query BNF for the COUNT expression's encapsulated expressions.

JPA 1.0:

BNF: expression ::= CONCAT(string_primary, string_primary)

JPA 2.0:

BNF: expression ::= CONCAT(string_primary, string_primary {, string_primary}*)

JPA 2.1:

BNF: expression ::= CONCAT(string_expression, string_expression {, string_expression}*)

Version:

2.4.2

Author:

Pascal Filion

Since:

2.3

Field Summary

static java.lang.String

ID The unique identifier of this InternalConcatExpressionBNF.

Constructor Summary

InternalConcatExpressionBNF()
Creates a new InternalConcatExpressionBNF.

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 of this InternalConcatExpressionBNF.

See Also:

Constant Field Values

Constructor Detail

InternalConcatExpressionBNF

public InternalConcatExpressionBNF()

Creates a new InternalConcatExpressionBNF.

Method Detail

initialize

protected void initialize()

Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories.

Overrides:

initialize in class JPQLQueryBNF