AbstractJob.java

/*
 * Copyright 2012 LinkedIn Corp.
 * 
 * Licensed 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 azkaban.jobExecutor;

import org.apache.log4j.Logger;

import azkaban.utils.Props;

public abstract class AbstractJob implements Job {

	public static final String JOB_TYPE = "type";
	public static final String JOB_CLASS = "job.class";
	public static final String JOB_PATH = "job.path";
	public static final String JOB_FULLPATH = "job.fullpath";
	public static final String JOB_ID = "job.id";
	
	private final String _id;
	private final Logger _log;
	private volatile double _progress;

	protected AbstractJob(String id, Logger log) {
		_id = id;
		_log = log;
		_progress = 0.0;
	}
	
	public String getId() {
		return _id;
	}

	public double getProgress() throws Exception {
		return _progress;
	}

	public void setProgress(double progress) {
		this._progress = progress;
	}

	public void cancel() throws Exception {
		throw new RuntimeException("Job " + _id + " does not support cancellation!");
	}

	public Logger getLog() {
		return this._log;
	}

	public void debug(String message) {
		this._log.debug(message);
	}

	public void debug(String message, Throwable t) {
		this._log.debug(message, t);
	}

	public void info(String message) {
		this._log.info(message);
	}

	public void info(String message, Throwable t) {
		this._log.info(message, t);
	}

	public void warn(String message) {
		this._log.warn(message);
	}

	public void warn(String message, Throwable t) {
		this._log.warn(message, t);
	}

	public void error(String message) {
		this._log.error(message);
	}

	public void error(String message, Throwable t) {
		this._log.error(message, t);
	}

	public Props getJobGeneratedProperties() {
		return new Props();
	}

	public abstract void run() throws Exception;

	public boolean isCanceled() {
		return false;
	}

}