/*
* 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.CronScheduleBuilder;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import java.util.Date;
import java.util.Random;
import static org.quartz.SimpleScheduleBuilder.simpleSchedule;
import static org.quartz.TriggerBuilder.newTrigger;
/**
* 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.getCronExpression();
int repeatCount = taskDescription.getCount();
long repeatInterval = taskDescription.getInterval();
if (!taskDescription.getIntervalInMs()) {
repeatInterval = repeatInterval * 1000;
}
Date startTime = null;
if (taskDescription.getStartTime() != null) {
startTime = taskDescription.getStartTime().getTime();
}
Date endTime = null;
if (taskDescription.getEndTime() != null) {
endTime = taskDescription.getEndTime().getTime();
}
String group = taskDescription.getTaskGroup();
if (group == null || "".equals(group)) {
group = TaskDescription.DEFAULT_GROUP;
}
Trigger trigger;
TriggerBuilder<Trigger> triggerBuilder = newTrigger()
.withIdentity(name + "-trigger-" + String.valueOf(RANDOM.nextLong()), group);
if (startTime != null) {
triggerBuilder.startAt(startTime);
} else {
triggerBuilder.startNow();
}
if (endTime != null) {
triggerBuilder.endAt(endTime);
}
if (cron == null || "".equals(cron)) {
if (repeatCount >= 0) {
trigger = triggerBuilder.withSchedule(simpleSchedule()
.withIntervalInMilliseconds(repeatInterval)
.withRepeatCount(repeatCount - 1))
.build();
} else {
trigger = triggerBuilder.withSchedule(simpleSchedule()
.withIntervalInMilliseconds(repeatInterval)
.repeatForever())
.build();
}
} else {
trigger = triggerBuilder.withSchedule(CronScheduleBuilder.cronSchedule(cron)).build();
}
if (trigger == null) {
throw new SynapseTaskException("Trigger is null for the Task description : " +
taskDescription, log);
}
return trigger;
}
}