01: package org.apache.ojb.broker.accesslayer;
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.PersistenceBroker;
19: import org.apache.ojb.broker.util.factory.ConfigurableFactory;
20:
21: /**
22: * Factory for {@link org.apache.ojb.broker.accesslayer.ConnectionManagerIF}
23: * implementations.
24: * <br/>
25: * See also {@link org.apache.ojb.broker.accesslayer.ConnectionFactoryFactory}
26: *
27: * @author <a href="mailto:armin@codeAuLait.de">Armin Waibel</a>
28: * @version $Id: ConnectionManagerFactory.java,v 1.4.2.1 2005/12/21 22:22:58 tomdz Exp $
29: */
30: public class ConnectionManagerFactory extends ConfigurableFactory {
31: private static ConnectionManagerFactory singleton;
32:
33: public static synchronized ConnectionManagerFactory getInstance() {
34: if (singleton == null) {
35: singleton = new ConnectionManagerFactory();
36: }
37: return singleton;
38: }
39:
40: protected String getConfigurationKey() {
41: return "ConnectionManagerClass";
42: }
43:
44: public ConnectionManagerIF createConnectionManager(
45: PersistenceBroker broker) {
46: return (ConnectionManagerIF) createNewInstance(
47: PersistenceBroker.class, broker);
48: }
49: }
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