001/* 002 * (C) Copyright 2007-2016 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 */ 017 018package org.nuxeo.ecm.core.scheduler; 019 020import java.io.IOException; 021import java.util.Optional; 022 023import org.apache.commons.logging.LogFactory; 024import org.nuxeo.runtime.api.Framework; 025import org.nuxeo.runtime.reload.ReloadEventNames; 026import org.nuxeo.runtime.services.event.Event; 027import org.nuxeo.runtime.services.event.EventListener; 028import org.quartz.SchedulerException; 029 030public class ReloadListener implements EventListener { 031 032 @Override 033 public boolean aboutToHandleEvent(Event event) { 034 return true; 035 } 036 037 @Override 038 public void handleEvent(Event event) { 039 if (event.getId() == ReloadEventNames.BEFORE_RELOAD_EVENT_ID) { 040 lookup().ifPresent(scheduler -> scheduler.shutdownScheduler()); 041 } else if (event.getId() == ReloadEventNames.AFTER_RELOAD_EVENT_ID) { 042 lookup().ifPresent(scheduler -> { 043 try { 044 scheduler.setupScheduler(); 045 } catch (IOException | SchedulerException cause) { 046 LogFactory.getLog(ReloadListener.class).error("Cannot reload scheduler", cause); 047 } 048 }); 049 } 050 } 051 052 Optional<SchedulerServiceImpl> lookup() { 053 SchedulerService scheduler = Framework.getService(SchedulerService.class); 054 if (scheduler instanceof SchedulerServiceImpl) { 055 return Optional.of((SchedulerServiceImpl) scheduler); 056 } 057 return Optional.empty(); 058 } 059 060}