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

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

public final class StringPrimaryBNF
extends JPQLQueryBNF

The query BNF for a string primary expression.

JPA 1.0:

BNF: string_primary ::= state_field_path_expression | string_literal | input_parameter | functions_returning_strings | aggregate_expression

JPA 2.0:

BNF: string_primary ::= state_field_path_expression | string_literal | input_parameter | functions_returning_strings | aggregate_expression | case_expression

JPA 2.1: string_primary becomes string_expression

BNF: string_primary ::= state_field_path_expression | string_literal | input_parameter | functions_returning_strings | aggregate_expression | case_expression | function_invocation | (subquery)

Version:

2.4.2

Author:

Pascal Filion

Since:

2.3

Field Summary

static java.lang.String

ID The unique identifier of this BNF rule.

Constructor Summary

StringPrimaryBNF()
Creates a new StringPrimaryBNF.

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 BNF rule.

See Also:

Constant Field Values

Constructor Detail

StringPrimaryBNF

public StringPrimaryBNF()

Creates a new StringPrimaryBNF.

Method Detail

initialize

protected void initialize()

Initializes this BNF by registering child JPQLQueryBNFs and ExpressionFactories.

Overrides:

initialize in class JPQLQueryBNF