/*
* 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.task;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.quartz.CronTrigger;
import org.quartz.SimpleTrigger;
import org.quartz.Trigger;
import org.quartz.TriggerUtils;
import java.text.ParseException;
import java.util.Date;
import java.util.Random;
/**
* Default TriggerFactory ship with synapse utils
*/
public class DefaultTaskTriggerFactory implements TaskTriggerFactory {
private static final Log log = LogFactory.getLog(DefaultTaskTriggerFactory.class);
private final static Random RANDOM = new Random();
/**
* @see TaskTriggerFactory
*/
public Trigger createTrigger(TaskDescription taskDescription) {
String name = taskDescription.getName();
if (name == null || "".equals(name)) {
throw new SynapseTaskException("Name of the Task cannot be null", log);
}
String cron = taskDescription.getCron();
int repeatCount = taskDescription.getCount();
long repeatInterval = taskDescription.getInterval();
Date startTime = taskDescription.getStartTime();
Date endTime = taskDescription.getEndTime();
Trigger trigger;
if (cron == null || "".equals(cron)) {
if (repeatCount >= 0) {
trigger = TriggerUtils.makeImmediateTrigger(repeatCount - 1, repeatInterval);
} else {
trigger = TriggerUtils.makeImmediateTrigger(SimpleTrigger.REPEAT_INDEFINITELY,
repeatInterval);
}
} else {
CronTrigger cronTrigger = new CronTrigger();
try {
cronTrigger.setCronExpression(cron);
trigger = cronTrigger;
} catch (ParseException e) {
throw new SynapseTaskException("Error setting cron expression : " +
e.getMessage() + cron, log);
}
}
if (trigger == null) {
throw new SynapseTaskException("Trigger is null for the Task description : " +
taskDescription, log);
}
if (startTime != null) {
trigger.setStartTime(startTime);
}
if (endTime != null) {
trigger.setEndTime(endTime);
}
// give the trigger a random name
trigger.setName(name + "-trigger-" + String.valueOf(RANDOM.nextLong()));
String group = taskDescription.getGroup();
if (group != null && !"".equals(group)) {
trigger.setGroup(group);
} else {
trigger.setGroup(TaskDescription.DEFAULT_GROUP);
}
trigger.setVolatility(taskDescription.isVolatility());
return trigger;
}
}