/*
* 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.karaf.scheduler.command;
import java.util.Date;
import javax.xml.bind.DatatypeConverter;
import org.apache.karaf.scheduler.ScheduleOptions;
import org.apache.karaf.scheduler.Scheduler;
import org.apache.karaf.scheduler.command.support.ScriptJob;
import org.apache.karaf.shell.api.action.Action;
import org.apache.karaf.shell.api.action.Argument;
import org.apache.karaf.shell.api.action.Command;
import org.apache.karaf.shell.api.action.Option;
import org.apache.karaf.shell.api.action.lifecycle.Reference;
import org.apache.karaf.shell.api.action.lifecycle.Service;
import org.apache.karaf.shell.api.console.Function;
import org.apache.karaf.shell.api.console.Session;
@Command(scope = "scheduler", name = "schedule", description = "Schedule a script execution")
@Service
public class Schedule implements Action {
@Option(name = "--name", description = "Name of this job")
String name;
@Option(name = "--concurrent", description = "Should jobs run concurrently or not (defaults to false)")
boolean concurrent;
@Option(name = "--cron", description = "The cron expression")
String cron;
@Option(name = "--at", description = "Absolute date in ISO format (ex: 2014-05-13T13:56:45)")
String at;
@Option(name = "--times", description = "Number of times this job should be executed")
int times = -1;
@Option(name = "--period", description = "Time during executions (in seconds)")
long period;
@Argument(name = "script", required = true, description = "The script to schedule")
Function script;
@Reference
Scheduler scheduler;
@Reference
Session session;
@Override
public Object execute() throws Exception {
if (cron != null && (at != null || times != -1 || period != 0)) {
throw new IllegalArgumentException("Both cron expression and explicit execution time can not be specified");
}
ScheduleOptions options;
if (cron != null) {
options = scheduler.EXPR(cron);
} else {
Date date;
if (at != null) {
date = DatatypeConverter.parseDateTime(at).getTime();
} else {
date = new Date();
}
if (period > 0) {
options = scheduler.AT(date, times, period);
} else {
options = scheduler.AT(date);
}
}
if (name != null) {
options.name(name);
}
if (concurrent) {
options.canRunConcurrently(concurrent);
}
scheduler.schedule(new ScriptJob(session, script), options);
return null;
}
}