oracle.webcenter.portal.persistence.query

Class Join<T extends PortalEntity>

java.lang.Object

oracle.webcenter.portal.persistence.query.Join<T>

Type Parameters:

T - the type of the reference

All Implemented Interfaces:

Expression

public class Join<T extends PortalEntity>
extends java.lang.Object

Expression used to join a reference and a subquery

Constructor Summary

Constructors

Constructor and Description
Join(Reference<T> reference, Subquery<T> subquery)

Method Summary

Modifier and Type	Method and Description
void	accept(Visitor visitor) Accepts a visitor
Expression	and(Expression expression) Creates an And expression which will be a logical "and" of this expression and the expression passed in as a parameter
Reference<T>	getReference() Gets the reference
Subquery<T>	getSubquery() Gets the subquery
Expression	not() Creates a Not expression which will be the logical "not" of this epxression
Expression	or(Expression expression) Creates an Or expression which will be a logical "or" of this expression and the expression passed in as a parameter
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Join

public Join(Reference<T> reference,
            Subquery<T> subquery)

Parameters:

reference - the reference

subquery - the subquery

Method Detail

getReference

public Reference<T> getReference()

Gets the reference

Returns:

the reference

getSubquery

public Subquery<T> getSubquery()

Gets the subquery

Returns:

the subquery

accept

public void accept(Visitor visitor)

Description copied from interface: Expression

Accepts a visitor

Parameters:

visitor - the visitor

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

and

public Expression and(Expression expression)

Creates an And expression which will be a logical "and" of this expression and the expression passed in as a parameter

Specified by:

and in interface Expression

Parameters:

expression - the other expression

Returns:

the And expression

or

public Expression or(Expression expression)

Creates an Or expression which will be a logical "or" of this expression and the expression passed in as a parameter

Specified by:

or in interface Expression

Parameters:

expression - the other expression

Returns:

the Or expression

not

public Expression not()

Creates a Not expression which will be the logical "not" of this epxression

Specified by:

not in interface Expression

Returns:

the Not expression