org/objectweb/proactive/core/component/controller/MigrationControllerImpl.java

/* 
 * ################################################################
 * 
 * ProActive: The Java(TM) library for Parallel, Distributed, 
 *            Concurrent computing with Security and Mobility
 * 
 * Copyright (C) 1997-2007 INRIA/University of Nice-Sophia Antipolis
 * Contact: proactive@objectweb.org
 * 
 * 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 2.1 of the License, or any later version.
 *  
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without 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
 *  
 *  Initial developer(s):               The ProActive Team
 *                        http://www.inria.fr/oasis/ProActive/contacts.html
 *  Contributor(s): 
 * 
 * ################################################################
 */ 
package org.objectweb.proactive.core.component.controller;

import java.net.URL;

import org.objectweb.fractal.api.Component;
import org.objectweb.fractal.api.factory.InstantiationException;
import org.objectweb.fractal.api.type.TypeFactory;
import org.objectweb.proactive.ProActive;
import org.objectweb.proactive.core.ProActiveRuntimeException;
import org.objectweb.proactive.core.body.migration.MigrationException;
import org.objectweb.proactive.core.component.Constants;
import org.objectweb.proactive.core.component.identity.ProActiveComponentImpl;
import org.objectweb.proactive.core.component.type.ProActiveTypeFactoryImpl;
import org.objectweb.proactive.core.node.Node;
import org.objectweb.proactive.core.node.NodeException;
import org.objectweb.proactive.core.node.NodeFactory;


public class MigrationControllerImpl extends AbstractProActiveController
    implements MigrationController {
    public MigrationControllerImpl(Component owner) {
        super(owner);
    }

    @Override
    protected void setControllerItfType() {
        try {
            setItfType(ProActiveTypeFactoryImpl.instance()
                                               .createFcItfType(Constants.MIGRATION_CONTROLLER,
                    MigrationController.class.getName(), TypeFactory.SERVER,
                    TypeFactory.MANDATORY, TypeFactory.SINGLE));
        } catch (InstantiationException e) {
            throw new ProActiveRuntimeException(
                "cannot create controller type for controller " +
                this.getClass().getName());
        }
    }

    public void migrateTo(Node node) throws MigrationException {
        // need to migrate gathercast futures handlers active objects first
        ((ProActiveComponentImpl)owner).migrateControllersDependentActiveObjectsTo(node);
        ProActive.migrateTo(node);
    }

    public void migrateTo(URL url) throws MigrationException {
        try {
            migrateTo(NodeFactory.getNode(url.toString()));
        } catch (NodeException e) {
            throw new MigrationException("Cannot find node with URL " + url);
        }
    }

    public void migrateTo(String stringUrl) throws MigrationException {
        try {
            migrateTo(NodeFactory.getNode(stringUrl));
        } catch (NodeException e) {
            throw new MigrationException("Cannot find node with URL " +
                stringUrl);
        }
    }
}

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