01: package org.apache.ojb.broker.core;
02:
03: /* Copyright 2003-2005 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 org.apache.ojb.broker.accesslayer.ReportQueryRsIterator;
19: import org.apache.ojb.broker.accesslayer.RsIterator;
20: import org.apache.ojb.broker.accesslayer.RsQueryObject;
21: import org.apache.ojb.broker.accesslayer.SqlBasedReportQueryRsIterator;
22: import org.apache.ojb.broker.metadata.ClassDescriptor;
23: import org.apache.ojb.broker.query.Query;
24: import org.apache.ojb.broker.query.QueryBySQL;
25:
26: /**
27: * Factory for ReportQueryRsIterator
28: *
29: * @author <a href="mailto:jbraeuchi@hotmail.com">Jakob Braeuchi</a>
30: * @version $Id: ReportRsIteratorFactoryImpl.java,v 1.4.2.1 2005/12/21 22:25:01 tomdz Exp $
31: */
32: class ReportRsIteratorFactoryImpl implements RsIteratorFactory {
33: private static RsIteratorFactory instance;
34:
35: /**
36: * Constructor for RsIteratorFactoryImpl.
37: */
38: public ReportRsIteratorFactoryImpl() {
39: super ();
40: }
41:
42: static RsIteratorFactory getInstance() {
43: if (instance == null) {
44: instance = new ReportRsIteratorFactoryImpl();
45: }
46:
47: return instance;
48: }
49:
50: /**
51: * @see org.apache.ojb.broker.core.RsIteratorFactory#createRsIterator(Query, ClassDescriptor, PersistenceBrokerImpl)
52: */
53: public RsIterator createRsIterator(Query query,
54: ClassDescriptor cld, PersistenceBrokerImpl broker) {
55: return new ReportQueryRsIterator(RsQueryObject.get(cld, query),
56: broker);
57: }
58:
59: /**
60: * @see org.apache.ojb.broker.core.RsIteratorFactory#createRsIterator(org.apache.ojb.broker.query.QueryBySQL, ClassDescriptor, PersistenceBrokerImpl)
61: */
62: public RsIterator createRsIterator(QueryBySQL query,
63: ClassDescriptor cld, PersistenceBrokerImpl broker) {
64: return new SqlBasedReportQueryRsIterator(RsQueryObject.get(cld,
65: query), broker);
66: }
67:
68: }
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