Processor.java

/**
 *  Copyright 2007-2008 University Of Southern California
 *
 *  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 edu.isi.pegasus.planner.selector.site.heft;

/**
 * A data class that is used to simulate a processor on a site.
 *
 * @author Karan Vahi
 * @version $Revision$
 */
public class Processor {

    /**
     * The start time of the current scheduled job.
     */
    private long mStartTime;

    /**
     * The end time of the current scheduled job.
     */
    private long mEndTime;


    /**
     * The default constructor.
     */
    public Processor() {
        mStartTime = 0;
        mEndTime   = 0;
    }

    /**
     * Returns the earliest time the processor is available for scheduling
     * a job.  It is non insertion based scheduling policy.
     *
     * @param start     the time at which to start the search.
     *
     * @return long
     */
    public long getAvailableTime( long start ){
       return ( mEndTime > start )? mEndTime : start;
    }


    /**
     * Schedules a job on to a processor.
     *
     * @param start    the start time of the job.
     * @param end      the end time for the job
     */
    public void scheduleJob( long start, long end ){
        mStartTime = start;
        mEndTime   = end;
    }
}