01: /*
02: * Copyright 2004-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.compass.core.transaction.manager;
18:
19: import javax.naming.NamingException;
20: import javax.transaction.TransactionManager;
21:
22: import org.compass.core.config.CompassSettings;
23: import org.compass.core.jndi.NamingHelper;
24: import org.compass.core.transaction.TransactionException;
25: import org.compass.core.transaction.TransactionManagerLookup;
26:
27: /**
28: * Locates a <code>TransactionManager</code> in JNDI.
29: *
30: * @author kimchy
31: */
32: public abstract class JNDITransactionManagerLookup implements
33: TransactionManagerLookup {
34:
35: public TransactionManager getTransactionManager(
36: CompassSettings settings) throws TransactionException {
37: try {
38: return (TransactionManager) NamingHelper.getInitialContext(
39: settings).lookup(getName());
40: } catch (NamingException ne) {
41: throw new TransactionException(
42: "Could not locate TransactionManager", ne);
43: }
44: }
45:
46: protected abstract String getName();
47: }
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