/* ************************************************************************* *
 *                                                                           *
 *        Copyright (c) 2004 Peter Cappello  <cappello@cs.ucsb.edu>          *
 *                                                                           *
 *    Permission is hereby granted, free of charge, to any person obtaining  *
 *  a copy of this software and associated documentation files (the          *
 *  "Software"), to deal in the Software without restriction, including      *
 *  without limitation the rights to use, copy, modify, merge, publish,      *
 *  distribute, sublicense, and/or sell copies of the Software, and to       *
 *  permit persons to whom the Software is furnished to do so, subject to    *
 *  the following conditions:                                                *
 *                                                                           *
 *    The above copyright notice and this permission notice shall be         *
 *  included in all copies or substantial portions of the Software.          *
 *                                                                           *
 *    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        *
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF       *
 *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 *  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY     *
 *  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,     *
 *  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE        *
 *  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                   *
 *                                                                           *
 * ************************************************************************* */

/**
 * Synchronous Command sent by Worker to its Master.
 *
 * @version 1.0
 * @author  Peter Cappello
 */

package edu.ucsb.jpregel.system.commands;

import jicosfoundation.*;
import edu.ucsb.jpregel.system.Master;


public final class RegisterWorker implements CommandSynchronous
{
    private final ServiceName workerServiceName;
    private final int numProcessors;
    
    public RegisterWorker( ServiceName workerServiceName, int numProcessors )
    { 
        this.workerServiceName = workerServiceName;
        this.numProcessors = numProcessors;
    }
    
    @Override
    public Integer execute( Proxy proxy, RemoteExceptionHandler remoteExceptionHandler ) 
    {
        return null; // Not used
    }

    @Override
    public Integer execute( ServiceImpl myService ) 
    {
        // set Worker information on Master
        Master master = (Master) myService;
        return master.registerWorker( workerServiceName, numProcessors );
    }
    
    @Override
    public String toString() { return " " + this.getClass() + ": serviceName: " + workerServiceName; }
}