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

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

public final class InternalJoinBNF

extends JPQLQueryBNF

The query BNF for what's following the join identifier.

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

InternalJoinBNF()
Creates a new InternalJoinBNF.

Method Summary

boolean	handleAggregate() Determines whether the Expression handles a collection of sub-expressions that are aggregated by logical or arithmetic operators.
boolean	handleCollection() Determines whether the Expression handles a collection of sub-expressions that are separated by commas.
(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, getFallbackBNFId, getFallbackExpressionFactoryId, getId, 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

InternalJoinBNF

InternalJoinBNF()

Creates a new InternalJoinBNF.

Method Detail

handleAggregate

public boolean handleAggregate()

Determines whether the Expression handles a collection of sub-expressions that are aggregated by logical or arithmetic operators.

Overrides:

handleAggregate in class JPQLQueryBNF

Returns:

true if the sub-expression to parse might have several logical and/or arithmetic expressions; false otherwise

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

initialize

void initialize()

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

Overrides:

initialize in class JPQLQueryBNF

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