AbstractJob.java

/*
 * Copyright 2010 LinkedIn, Inc
 * 
 * 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) {
//        this(id, Logger.getLogger(id));
//    }

    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;
    }

}