001/* 002 * (C) Copyright 2012 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 * Mariana Cedica 018 */ 019package org.nuxeo.ecm.platform.routing.core.listener; 020 021import org.apache.commons.logging.Log; 022import org.apache.commons.logging.LogFactory; 023import org.nuxeo.ecm.core.api.NuxeoException; 024import org.nuxeo.ecm.core.api.UnrestrictedSessionRunner; 025import org.nuxeo.ecm.core.api.repository.RepositoryManager; 026import org.nuxeo.ecm.platform.routing.api.DocumentRoutingService; 027import org.nuxeo.runtime.api.Framework; 028import org.nuxeo.runtime.reload.ReloadEventNames; 029import org.nuxeo.runtime.services.event.Event; 030import org.nuxeo.runtime.services.event.EventListener; 031import org.nuxeo.runtime.transaction.TransactionHelper; 032 033/** 034 * Event listener that reloads the contributed route models. 035 * 036 * @since 5.6 037 */ 038public class RouteModelsReloader implements EventListener { 039 040 private static final Log log = LogFactory.getLog(RouteModelsReloader.class); 041 042 @Override 043 public boolean aboutToHandleEvent(Event event) { 044 return false; 045 } 046 047 @Override 048 public void handleEvent(Event event) { 049 if (!Framework.isDevModeSet()) { 050 log.info("Do not flush the directory caches: dev mode is not set"); 051 return; 052 } 053 if (!ReloadEventNames.RELOAD_EVENT_ID.equals(event.getId())) { 054 return; 055 } 056 try { 057 RepositoryManager rm = Framework.getService(RepositoryManager.class); 058 // Transaction management 059 final boolean txStarted = !TransactionHelper.isTransactionActive() && TransactionHelper.startTransaction(); 060 boolean txSucceed = false; 061 try { 062 new UnrestrictedSessionRunner(rm.getDefaultRepositoryName()) { 063 @Override 064 public void run() { 065 DocumentRoutingService service = Framework.getLocalService(DocumentRoutingService.class); 066 service.importAllRouteModels(session); 067 } 068 }.runUnrestricted(); 069 txSucceed = true; 070 } finally { 071 if (txStarted) { 072 if (!txSucceed) { 073 TransactionHelper.setTransactionRollbackOnly(); 074 log.warn("Rollbacking import of route models"); 075 } 076 TransactionHelper.commitOrRollbackTransaction(); 077 } 078 } 079 } catch (NuxeoException e) { 080 log.error("Error while reloading the route models", e); 081 } 082 } 083}