/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.synapse.startup.quartz;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseException;
import org.apache.synapse.core.SynapseEnvironment;
import org.apache.synapse.startup.AbstractStartup;
import org.apache.synapse.task.*;
import javax.xml.namespace.QName;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/*
* This class is instantiated by SimpleQuartzFactory (or by hand)
* When it is initialized it creates a Quartz Scheduler with a job and a trigger
* The class it starts is always an instance of SimpleQuartzJob
* SimpleQuartzJob is there to set the properties and start the actual business-logic class
* It wraps up any properties that the job needs as in the JobDetail and JDMap
*/
public class SimpleQuartz extends AbstractStartup {
private static final Log log = LogFactory.getLog(SimpleQuartz.class);
private TaskDescription taskDescription;
private SynapseTaskManager taskManager;
public QName getTagQName() {
return SimpleQuartzFactory.TASK;
}
public void destroy() {
if (taskDescription == null) {
if (log.isDebugEnabled()) {
log.debug("There is no Task to be deleted");
}
return;
}
if (taskManager.isInitialized()) {
TaskScheduler taskScheduler = taskManager.getTaskScheduler();
if (taskScheduler != null && taskScheduler.isInitialized()) {
taskScheduler.deleteTask(taskDescription.getName(), taskDescription.getGroup());
}
TaskDescriptionRepository repository = taskManager.getTaskDescriptionRepository();
if (repository != null) {
repository.removeTaskDescription(taskDescription.getName());
}
}
}
public void init(SynapseEnvironment synapseEnvironment) {
if (taskDescription == null) {
handleException("Error while initializing the startup. TaskDescription is null.");
}
taskManager = synapseEnvironment.getTaskManager();
if (!taskManager.isInitialized()) {
log.warn("SynapseTaskManager is not properly initialized. Initializing now with " +
"default parameters.");
taskManager.init(null, null);
}
TaskDescriptionRepository repository = taskManager.getTaskDescriptionRepository();
if (repository == null) {
handleException("Task Description Repository cannot be found");
return;
}
repository.addTaskDescription(taskDescription);
// this server name given by system property SynapseServerName
// otherwise take host-name
// else assume localhost
String thisServerName = synapseEnvironment.getServerContextInformation()
.getServerConfigurationInformation().getServerName();
if (thisServerName == null || thisServerName.equals("")) {
try {
InetAddress address = InetAddress.getLocalHost();
thisServerName = address.getHostName();
} catch (UnknownHostException e) {
log.warn("Could not get the host name", e);
}
if (thisServerName == null || thisServerName.equals("")) {
thisServerName = "localhost";
}
}
log.debug("Synapse server name : " + thisServerName);
// start proxy service if either,
// pinned server name list is empty
// or pinned server list has this server name
List pinnedServers = taskDescription.getPinnedServers();
if (pinnedServers != null && !pinnedServers.isEmpty()) {
if (!pinnedServers.contains(thisServerName)) {
log.info("Server name not in pinned servers list. Not starting Task : " +
getName());
return;
}
}
Map<String, Object> map = new HashMap<String, Object>();
map.put(SimpleQuartzJob.SYNAPSE_ENVIRONMENT, synapseEnvironment);
try {
TaskScheduler taskScheduler = taskManager.getTaskScheduler();
if (taskScheduler != null) {
if (!taskScheduler.isInitialized()) {
taskScheduler.init(synapseEnvironment.getSynapseConfiguration().getProperties());
}
taskScheduler.scheduleTask(taskDescription, map, SimpleQuartzJob.class);
} else {
if (log.isDebugEnabled()) {
log.debug("TaskScheduler cannot be found for :" +
TaskConstants.TASK_SCHEDULER + " , " +
"therefore ignore scheduling of Task " + taskDescription);
}
}
} catch (Exception e) {
String msg = "Error starting up Scheduler : " + e.getMessage();
log.fatal(msg, e);
throw new SynapseException(msg, e);
}
}
public TaskDescription getTaskDescription() {
return taskDescription;
}
public void setTaskDescription(TaskDescription taskDescription) {
this.taskDescription = taskDescription;
}
private static void handleException(String message) {
log.error(message);
throw new SynapseException(message);
}
}