package org.apache.ojb.broker.query;

 /* Copyright 2002-2005 The Apache Software Foundation

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 import java.util.Collection;

 /**

  * SelectionCriteria for 'in (a,b,c..)'

  * 

  * @author <a href="mailto:jbraeuchi@gmx.ch">Jakob Braeuchi</a>

  * @version $Id: InCriteria.java,v 1.1 2007-08-24 22:17:36 ewestfal Exp $

  */

 public class InCriteria extends ValueCriteria

 {

         InCriteria(Object anAttribute, Object aValue, String aClause, String anAlias)

         {

                 super(anAttribute, aValue, aClause, anAlias);

         }

         InCriteria(Object anAttribute, Object aValue, String aClause, UserAlias anAlias)

         {

                 super(anAttribute, aValue, aClause, anAlias);

         }

         /**

          * @see org.apache.ojb.broker.query.SelectionCriteria#isBindable()

          * BRJ: empty Collection is bindable

          */

         protected boolean isBindable()

         {

                 if (getValue() instanceof Collection)

                 {

                         Collection coll = (Collection)getValue();

                         return coll.isEmpty();

                 }        

                 else

                 {

                         return true;

                 }        

         }

 }