01: package org.apache.ojb.broker.query;
02:
03: /* Copyright 2002-2005 The Apache Software Foundation
04: *
05: * Licensed under the Apache License, Version 2.0 (the "License");
06: * you may not use this file except in compliance with the License.
07: * You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: import java.util.Collection;
19:
20: /**
21: * SelectionCriteria for 'in (a,b,c..)'
22: *
23: * @author <a href="mailto:jbraeuchi@gmx.ch">Jakob Braeuchi</a>
24: * @version $Id: InCriteria.java,v 1.11.2.1 2005/12/21 22:27:09 tomdz Exp $
25: */
26: public class InCriteria extends ValueCriteria {
27: InCriteria(Object anAttribute, Object aValue, String aClause,
28: String anAlias) {
29: super (anAttribute, aValue, aClause, anAlias);
30: }
31:
32: InCriteria(Object anAttribute, Object aValue, String aClause,
33: UserAlias anAlias) {
34: super (anAttribute, aValue, aClause, anAlias);
35: }
36:
37: /**
38: * @see org.apache.ojb.broker.query.SelectionCriteria#isBindable()
39: * BRJ: empty Collection is bindable
40: */
41: protected boolean isBindable() {
42: if (getValue() instanceof Collection) {
43: Collection coll = (Collection) getValue();
44: return coll.isEmpty();
45: } else {
46: return true;
47: }
48: }
49:
50: }
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