/**
 * This file is part of the CRISTAL-iSE kernel.
 * Copyright (c) 2001-2014 The CRISTAL Consortium. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; with out even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 *
 * http://www.fsf.org/licensing/licenses/lgpl.html
 */
package com.c2kernel.lifecycle.instance;

import java.util.Iterator;

import com.c2kernel.entity.Agent;
import com.c2kernel.entity.AgentHelper;
import com.c2kernel.entity.agent.JobArrayList;
import com.c2kernel.lookup.AgentPath;
import com.c2kernel.lookup.ItemPath;
import com.c2kernel.lookup.Path;
import com.c2kernel.lookup.RolePath;
import com.c2kernel.process.Gateway;
import com.c2kernel.utils.Logger;

final class JobPusher extends Thread {
    private final Activity activity;
    private final RolePath myRole;
    private final ItemPath itemPath;

    JobPusher(Activity activity, ItemPath itemPath, RolePath role) {
        this.activity = activity;
        this.itemPath = itemPath;
        this.myRole = role;
    }

    @Override
	public void run()
    {
        Thread.currentThread().setName("Agent job pusher for "+itemPath+":"+activity.getName()+" to role "+myRole);
    	for (Iterator<Path> e = myRole.getChildren(); e.hasNext();)
    	{
            AgentPath nextAgent = (AgentPath)e.next();
    		Logger.msg(7, "Activity.pushJobsToAgents() - Calculating jobs for " + nextAgent);
    		try
    		{
    			// get joblist for user
    			JobArrayList jobList = new JobArrayList(this.activity.calculateJobs(nextAgent, itemPath, false));
    			Logger.msg(7, "Activity.pushJobsToAgents() - User will receive " + jobList.list.size() + " jobs");
    			String stringJobs = Gateway.getMarshaller().marshall(jobList);
    			// push it to the agent
    			org.omg.CORBA.Object agentIOR = nextAgent.getIOR();
    			Agent thisAgent = AgentHelper.narrow(agentIOR);
    			Logger.msg(7, "Calling agent "+thisAgent.getSystemKey()+" from "+activity.getPath());
    			thisAgent.refreshJobList(itemPath.getSystemKey(), activity.getPath(), stringJobs);
    		}
    		catch (Exception ex)
    		{
    			Logger.error(
    				"Agent "
    					+ nextAgent
    					+ " of role "
    					+ myRole
    					+ " could not be found to be informed of a change in "
    					+ itemPath);
    			Logger.error(ex);
    		}
    	}

    }
}