01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. 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: package org.apache.servicemix.common;
18:
19: import javax.jbi.messaging.MessageExchange;
20: import javax.transaction.Status;
21:
22: import org.apache.servicemix.MessageExchangeListener;
23:
24: /**
25: * Base class for life cycle management of components.
26: * This lifecycle uses Push delivery by implementing MessageExchangeListerner interface
27: *
28: * @author Guillaume Nodet
29: * @version $Revision: 452064 $
30: * @since 3.0
31: */
32: public class BaseLifeCycle extends AsyncBaseLifeCycle implements
33: MessageExchangeListener {
34:
35: protected BaseLifeCycle() {
36: }
37:
38: public BaseLifeCycle(ServiceMixComponent component) {
39: super (component);
40: }
41:
42: /* (non-Javadoc)
43: * @see org.apache.servicemix.common.AsyncBaseLifeCycle#onMessageExchange(javax.jbi.messaging.MessageExchange)
44: */
45: public void onMessageExchange(MessageExchange exchange) {
46: try {
47: processExchange(exchange);
48: } catch (Exception e) {
49: logger.error("Error processing exchange " + exchange, e);
50: try {
51: // If we are transacted and this is a runtime exception
52: // try to mark transaction as rollback
53: if (transactionManager != null
54: && transactionManager.getStatus() == Status.STATUS_ACTIVE
55: && exceptionShouldRollbackTx(e)) {
56: transactionManager.setRollbackOnly();
57: }
58: exchange.setError(e);
59: channel.send(exchange);
60: } catch (Exception inner) {
61: logger.error("Error setting exchange status to ERROR",
62: inner);
63: }
64: }
65: }
66:
67: }
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