001/* 002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.ecm.core.event.jms; 023 024import java.rmi.dgc.VMID; 025import java.util.List; 026 027import org.apache.commons.logging.Log; 028import org.apache.commons.logging.LogFactory; 029import org.nuxeo.ecm.core.event.Event; 030import org.nuxeo.ecm.core.event.EventBundle; 031import org.nuxeo.ecm.core.event.impl.EventServiceImpl; 032import org.nuxeo.ecm.core.event.impl.ReconnectedEventBundleImpl; 033 034/** 035 * Default implementation for an {@link EventBundle} that needs to be reconnected to a usable Session. 036 * 037 * @author tiry 038 */ 039public class ReconnectedJMSEventBundle extends ReconnectedEventBundleImpl { 040 041 private static final Log log = LogFactory.getLog(ReconnectedJMSEventBundle.class); 042 043 private static final long serialVersionUID = 1L; 044 045 protected final SerializableEventBundle jmsEventBundle; 046 047 public ReconnectedJMSEventBundle(SerializableEventBundle jmsEventBundle) { 048 this.jmsEventBundle = jmsEventBundle; 049 } 050 051 @Override 052 protected List<Event> getReconnectedEvents() { 053 if (sourceEventBundle == null) { 054 try { 055 sourceEventBundle = jmsEventBundle.reconstructEventBundle(getReconnectedCoreSession(jmsEventBundle.getCoreInstanceName())); 056 } catch (SerializableEventBundle.CannotReconstruct e) { 057 log.error("Error while reconstructing Bundle from JMS", e); 058 return null; 059 } 060 } 061 return super.getReconnectedEvents(); 062 } 063 064 @Override 065 public String getName() { 066 return jmsEventBundle.getEventBundleName(); 067 } 068 069 @Override 070 public VMID getSourceVMID() { 071 return jmsEventBundle.getSourceVMID(); 072 } 073 074 @Override 075 public boolean hasRemoteSource() { 076 return !getSourceVMID().equals(EventServiceImpl.VMID); 077 } 078 079 @Override 080 public boolean isEmpty() { 081 return false; 082 } 083 084 @Override 085 public boolean comesFromJMS() { 086 return true; 087 } 088 089}