org.eclipse.persistence.jpa.internal.jpql.parser
Class FromClauseBNF

java.lang.Object
org.eclipse.persistence.jpa.internal.jpql.parser.JPQLQueryBNF
org.eclipse.persistence.jpa.internal.jpql.parser.FromClauseBNF

public final class FromClauseBNF

extends JPQLQueryBNF

The query BNF for the from clause.

BNF: from_clause ::= FROM identification_variable_declaration {, {identification_variable_declaration | collection_member_declaration}}*

Since:

2.3

Version:

2.3

Author:

Pascal Filion

Field Summary

static java.lang.String

ID The unique identifier of this BNF rule.

Constructor Summary

FromClauseBNF()
Creates a new FromClauseBNF.

Method Summary

(package private) java.lang.String	getFallbackBNFId() When parsing the query and no JPQLQueryBNFs can help to parse the query, then it will fall back on this one.
(package private) void	initialize() Initializes this BNF rule by registering child BNF rules and expression factories.

Methods inherited from class org.eclipse.persistence.jpa.internal.jpql.parser.JPQLQueryBNF

addChildren, children, expressionFactory, expressionFactoryIds, getFallbackExpressionFactoryId, getId, handleAggregate, handleCollection, hasIdentifier, identifiers, isCompound, nonCompoundChildren, registerChild, registerExpressionFactory, 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

FromClauseBNF

FromClauseBNF()

Creates a new FromClauseBNF.

Method Detail

getFallbackBNFId

java.lang.String getFallbackBNFId()

When parsing the query and no JPQLQueryBNFs can help to parse the query, then it will fall back on this one.

Overrides:

getFallbackBNFId in class JPQLQueryBNF

Returns:

The unique identifier of the JPQLQueryBNF to use in the last resort

initialize

void initialize()

Initializes this BNF rule by registering child BNF rules and expression factories.

Overrides:

initialize in class JPQLQueryBNF