org/objectweb/proactive/ext/scilab/SciDeployEngine.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.ext.scilab;

import java.io.IOException;
import java.util.HashMap;

import org.apache.log4j.Logger;
import org.objectweb.proactive.ActiveObjectCreationException;
import org.objectweb.proactive.ProActive;
import org.objectweb.proactive.core.ProActiveException;
import org.objectweb.proactive.core.descriptor.data.ProActiveDescriptor;
import org.objectweb.proactive.core.descriptor.data.VirtualNode;
import org.objectweb.proactive.core.node.Node;
import org.objectweb.proactive.core.node.NodeException;
import org.objectweb.proactive.core.util.log.Loggers;
import org.objectweb.proactive.core.util.log.ProActiveLogger;

public class SciDeployEngine {
        private static Logger logger = ProActiveLogger.getLogger(Loggers.SCILAB_DEPLOY);
        private static HashMap<String, Node> mapNode = new HashMap<String, Node>(); // List of deployed VNs 
        
        public static String[] getListVirtualNode(String pathDescriptor){
                logger.debug("->SciDeployEngine In:getListVirtualNode:" + pathDescriptor);
                
                ProActiveDescriptor desc;
                VirtualNode arrayVn[];
                String arrayNameVn[] = null;
                try {
                        desc = ProActive.getProactiveDescriptor("file:" + pathDescriptor);
                        arrayVn = desc.getVirtualNodes();
                        arrayNameVn = new String[arrayVn.length];
                        
                        for(int i=0; i<arrayVn.length; i++){
                                arrayNameVn[i] = arrayVn[i].getName();
                        }
        
                } catch (ProActiveException e) {
                        e.printStackTrace();
                }
                
                return arrayNameVn;     
        }
        
        public static synchronized int getNbMappedNodes(String nameVirtualNode, String pathDescriptor){
                ProActiveDescriptor desc;
                VirtualNode vn;
                try {
                        desc = ProActive.getProactiveDescriptor("file:" + pathDescriptor);
                        vn = desc.getVirtualNode(nameVirtualNode);
                        return vn.getNbMappedNodes();
                }catch (ProActiveException e) {
                        e.printStackTrace();
                }
                return -1;
        }
        
        public synchronized static HashMap<String, SciEngine> deploy(String nameVirtualNode, String pathDescriptor, String[] arrayIdEngine){
                logger.debug("->SciDeployEngine In:deploy:" + pathDescriptor);
                ProActiveDescriptor desc;
                VirtualNode vn;
                Node nodes[];
                SciEngine sciEngine;
                HashMap<String, SciEngine> mapEngine = new HashMap<String, SciEngine>();
                
                try {
                        desc = ProActive.getProactiveDescriptor("file:" + pathDescriptor);
                        vn = desc.getVirtualNode(nameVirtualNode);
                        vn.activate();
                        nodes = vn.getNodes();
                        
                        int length = (nodes.length >arrayIdEngine.length)? arrayIdEngine.length:nodes.length;
                        
                        for(int i=0; i<length; i++){
                                sciEngine = deploy(arrayIdEngine[i], nodes[i]);
                                mapEngine.put(arrayIdEngine[i], sciEngine);
                        }
                } catch (ProActiveException e) {
                        e.printStackTrace();
                }
                return mapEngine;
        }
        
        private synchronized static SciEngine deploy(String idEngine, Node currentNode) throws ActiveObjectCreationException, NodeException {
                Object param[] = new Object[]{idEngine};
                SciEngine sciEngine  = (SciEngine) ProActive.newActive(SciEngine.class.getName(), param, currentNode);
                mapNode.put(idEngine, currentNode);
                try{
                        ProActive.setImmediateService(sciEngine, "killWorker");
                        ProActive.setImmediateService(sciEngine, "exit");
                }catch(IOException e){
                        e.printStackTrace();
                }
                return sciEngine;
        }
        
        
        public static SciEngine deploy(String idEngine) throws ActiveObjectCreationException, NodeException {
                logger.debug("->SciDeployEngine In:deploy");
                Object param[] = new Object[]{idEngine};
                SciEngine sciEngine  =  (SciEngine) ProActive.newActive(SciEngine.class.getName(), param);
                try{
                        ProActive.setImmediateService(sciEngine, "killWorker");
                        ProActive.setImmediateService(sciEngine, "exit");
                }catch(IOException e){
                        e.printStackTrace();
                }
                return sciEngine;
        }
        
        public static Node getEngineNode(String idEngine){
                return mapNode.get(idEngine);
        }
}

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