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

Class InternalSimpleFromClauseBNF

java.lang.Object

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

org.eclipse.persistence.jpa.internal.jpql.parser.InternalSimpleFromClauseBNF

public final class InternalSimpleFromClauseBNF
extends JPQLQueryBNF

The query BNF for the from declaration used in a subquery.

BNF: subquery_from_clause ::= FROM subselect_identification_variable_declaration {, subselect_identification_variable_declaration | collection_member_declaration}*

Since:

2.3

Version:

2.3

Author:

Pascal Filion

Field Summary

Fields

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

Method Summary

Methods

Modifier and Type	Method and Description
boolean	handleCollection() Determines whether the Expression handles a collection of sub-expressions that are separated by commas.

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

expressionFactory, expressionFactoryIds, getId, handleAggregate, hasIdentifier, identifiers, isCompound, nonCompoundChildren, toString

Methods inherited from class java.lang.Object

equals, 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

Method Detail

handleCollection

public boolean handleCollection()

Determines whether the Expression handles a collection of sub-expressions that are separated by commas.

Overrides:

handleCollection in class JPQLQueryBNF

Returns:

true if the sub-expression to parse might have several sub-expressions separated by commas; false otherwise