org.apache.ojb.broker.query
Class ExistsCriteria

java.lang.Object
  org.apache.ojb.broker.query.SelectionCriteria
      org.apache.ojb.broker.query.ExistsCriteria

All Implemented Interfaces:

Serializable

public class ExistsCriteria
extends SelectionCriteria

SelectionCriteria for [not] exists(sub query)

Version:

$Id: ExistsCriteria.java,v 1.1 2007-08-24 22:17:36 ewestfal Exp $

Author:

Jakob Braeuchi

See Also:

Serialized Form

Field Summary

private boolean

m_negative

Fields inherited from class org.apache.ojb.broker.query.SelectionCriteria

BETWEEN, EQUAL, GREATER, IN, IS_NULL, LESS, LIKE, NOT_BETWEEN, NOT_EQUAL, NOT_GREATER, NOT_IN, NOT_IS_NULL, NOT_LESS, NOT_LIKE, serialVersionUID

Constructor Summary

ExistsCriteria(Query subQuery, boolean negative)
Constructor for ExistsCriteria.

Method Summary

String

getClause() Answer the SQL compare-clause for this criteria

Methods inherited from class org.apache.ojb.broker.query.SelectionCriteria

bind, getAlias, getAttribute, getClassesForPath, getCriteria, getNumberOfExtentsToBind, getPathClasses, getQuery, getUserAlias, getValue, isBindable, isBound, isTranslateAttribute, setAlias, setAlias, setAlias, setBound, setCriteria, setNumberOfExtentsToBind, setTranslateAttribute, setValue, toString

Methods inherited from class java.lang.Object

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

Field Detail

m_negative

private boolean m_negative

Constructor Detail

ExistsCriteria

ExistsCriteria(Query subQuery,
               boolean negative)

Constructor for ExistsCriteria.

Parameters:

subQuery -

negative - use negative form

Method Detail

getClause

public String getClause()

Description copied from class: SelectionCriteria

Answer the SQL compare-clause for this criteria

Specified by:

getClause in class SelectionCriteria