org/objectweb/proactive/core/component/body/ComponentBodyImpl.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.body;

import java.util.HashMap;
import java.util.Map;

import org.apache.log4j.Logger;
import org.objectweb.fractal.api.NoSuchInterfaceException;
import org.objectweb.fractal.api.control.LifeCycleController;
import org.objectweb.fractal.util.Fractal;
import org.objectweb.proactive.Active;
import org.objectweb.proactive.core.body.MetaObjectFactory;
import org.objectweb.proactive.core.body.ProActiveMetaObjectFactory;
import org.objectweb.proactive.core.body.migration.MigratableBody;
import org.objectweb.proactive.core.component.ComponentParameters;
import org.objectweb.proactive.core.component.identity.ProActiveComponent;
import org.objectweb.proactive.core.component.identity.ProActiveComponentImpl;
import org.objectweb.proactive.core.component.request.Shortcut;
import org.objectweb.proactive.core.mop.ConstructorCallExecutionFailedException;
import org.objectweb.proactive.core.util.log.Loggers;
import org.objectweb.proactive.core.util.log.ProActiveLogger;


public class ComponentBodyImpl extends MigratableBody implements ComponentBody {
    private ProActiveComponent componentIdentity = null;
    private Map<String, Shortcut> shortcutsOnThis = null; // key = functionalItfName, value = shortcut
    private static Logger logger = ProActiveLogger.getLogger(Loggers.COMPONENTS);

    private boolean insideFunctionalActivity = false;

    public ComponentBodyImpl() {
        super();
    }

    public ComponentBodyImpl(Object reifiedObject, String nodeURL,
        Active activity, MetaObjectFactory factory, String jobID)
        throws java.lang.reflect.InvocationTargetException, 
            ConstructorCallExecutionFailedException {
        super(reifiedObject, nodeURL, factory, jobID);
        //        filterOnNFRequests = new RequestFilterOnPrioritizedNFRequests();
        // create the component metaobject if necessary
        // --> check the value of the "parameters" field
        Map factory_parameters = factory.getParameters();
        if ((null != factory_parameters)) {
            if (null != factory_parameters.get(
                        ProActiveMetaObjectFactory.COMPONENT_PARAMETERS_KEY)) {
                if (factory_parameters.get(
                            ProActiveMetaObjectFactory.COMPONENT_PARAMETERS_KEY) instanceof ComponentParameters) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("creating metaobject component identity");
                    }
                    componentIdentity = factory.newComponentFactory()
                                               .newProActiveComponent(this);

                    // change activity into a component activity
                    // activity = new ComponentActivity(activity, reifiedObject);
                } else {
                    logger.error(
                        "component parameters for the components factory are not of type ComponentParameters");
                }
            }
        }
    }

    public ProActiveComponentImpl getProActiveComponentImpl() {
        return (ProActiveComponentImpl)componentIdentity;
    }
    
    
    

    public boolean isActive() {
        if (insideFunctionalActivity) {
            try {
                return LifeCycleController.STARTED.equals(Fractal.getLifeCycleController(
                        getProActiveComponentImpl()).getFcState());
            } catch (NoSuchInterfaceException e) {
                logger.error(
                    "could not find the life cycle controller of this component");
                return false;
            }
        } else {
            return super.isActive();
        }
    }

    /*
     * @see org.objectweb.proactive.core.component.body.ComponentBody#isComponent()
     */
    public boolean isComponent() {
        return (getProActiveComponentImpl() != null);
    }

    /*
     * @see org.objectweb.proactive.core.component.body.ComponentBody#finishedFunctionalActivity()
     */
    public void finishedFunctionalActivity() {
        insideFunctionalActivity = false;
    }

    /*
     * @see org.objectweb.proactive.core.component.body.ComponentBody#startingFunctionalActivity()
     */
    public void startingFunctionalActivity() {
        insideFunctionalActivity = true;
    }

    public void keepShortcut(Shortcut shortcut) {
        if (shortcutsOnThis == null) {
            shortcutsOnThis = new HashMap<String, Shortcut>();
        }
        shortcutsOnThis.put(shortcut.getFcFunctionalInterfaceName(), shortcut);
    }


}

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