SleepingJob.java

/*
 * 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.zeppelin.scheduler;

import java.util.HashMap;
import java.util.Map;

import org.apache.zeppelin.scheduler.Job;
import org.apache.zeppelin.scheduler.JobListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class SleepingJob extends Job{

	private int time;
	boolean abort = false;
	private long start;
	private int count;

	static Logger LOGGER = LoggerFactory.getLogger(SleepingJob.class);
	private Object results;


	public SleepingJob(String jobName, JobListener listener, int time){
		super(jobName, listener);
		this.time = time;
		count = 0;
	}
	@Override
  public Object jobRun() {
		start = System.currentTimeMillis();
		while(abort==false){
			count++;
			try {
				Thread.sleep(10);
			} catch (InterruptedException e) {
				LOGGER.error("Exception in MockInterpreterAngular while interpret Thread.sleep", e);
			}
			if(System.currentTimeMillis() - start>time) break;
		}
		return System.currentTimeMillis()-start;
	}

	@Override
  public boolean jobAbort() {
		abort = true;
		return true;
	}

	@Override
	public void setResult(Object results) {
		this.results = results;
	}

	@Override
	public Object getReturn() {
		return results;
	}

	@Override
  public int progress() {
		long p = (System.currentTimeMillis() - start)*100 / time;
		if(p<0) p = 0;
		if(p>100) p = 100;
		return (int) p;
	}

	@Override
  public Map<String, Object> info() {
		Map<String, Object> i = new HashMap<>();
		i.put("LoopCount", Integer.toString(count));
		return i;
	}


}