edu.clemson.cs.nestbed.server.management.configuration.ProjectDeploymentConfigurationManagerImpl.java Source code

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/* $Id$ */
/*
 * ProjectDeploymentConfigurationManagerImpl.java
 *
 * Network Embedded Sensor Testbed (NESTbed)
 *
 * Copyright (C) 2006-2007
 * Dependable Systems Research Group
 * School of Computing
 * Clemson University
 * Andrew R. Dalton and Jason O. Hallstrom
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the
 *
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301, USA.
 */
package edu.clemson.cs.nestbed.server.management.configuration;

import java.rmi.RemoteException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import edu.clemson.cs.nestbed.common.management.configuration.MoteDeploymentConfigurationManager;
import edu.clemson.cs.nestbed.common.management.configuration.ProgramProfilingMessageSymbolManager;
import edu.clemson.cs.nestbed.common.management.configuration.ProgramProfilingSymbolManager;
import edu.clemson.cs.nestbed.common.management.configuration.ProjectDeploymentConfigurationManager;
import edu.clemson.cs.nestbed.common.model.ProjectDeploymentConfiguration;
import edu.clemson.cs.nestbed.server.adaptation.AdaptationException;
import edu.clemson.cs.nestbed.server.adaptation.AdapterFactory;
import edu.clemson.cs.nestbed.server.adaptation.AdapterType;
import edu.clemson.cs.nestbed.server.adaptation.ProjectDeploymentConfigurationAdapter;
import edu.clemson.cs.nestbed.server.util.RemoteObservableImpl;

public class ProjectDeploymentConfigurationManagerImpl extends RemoteObservableImpl
        implements ProjectDeploymentConfigurationManager {

    private final static ProjectDeploymentConfigurationManager instance;
    private final static Log log = LogFactory.getLog(ProjectDeploymentConfigurationManagerImpl.class);

    private ReadWriteLock managerLock;
    private Lock readLock;
    private Lock writeLock;
    private ProjectDeploymentConfigurationAdapter projDepConfigAdapter;
    private Map<Integer, ProjectDeploymentConfiguration> projDepConfigs;

    static {
        ProjectDeploymentConfigurationManagerImpl impl = null;

        try {
            impl = new ProjectDeploymentConfigurationManagerImpl();
        } catch (Exception ex) {
            log.fatal("Unable to create singleton instance", ex);
            System.exit(1);
        } finally {
            instance = impl;
        }
    }

    public static ProjectDeploymentConfigurationManager getInstance() {
        return instance;
    }

    public List<ProjectDeploymentConfiguration> getProjectDeploymentConfigs(int projectID) throws RemoteException {
        log.debug("getProjectDeploymentConfigs() called");

        List<ProjectDeploymentConfiguration> configList;
        configList = new ArrayList<ProjectDeploymentConfiguration>();

        readLock.lock();
        try {
            for (ProjectDeploymentConfiguration i : projDepConfigs.values()) {
                if (i.getProjectID() == projectID) {
                    configList.add(i);
                }
            }
        } catch (Exception ex) {
            String msg = "Exception in getProjectDeploymentConfigs";
            log.error(msg, ex);
            throw new RemoteException(msg, ex);
        } finally {
            readLock.unlock();
        }

        return configList;
    }

    public void createNewProjectDeploymentConfig(int projectID, String name, String description)
            throws RemoteException {
        log.info("Request to create new ProjectDeploymentConfiguration:\n" + "  projectID:    " + projectID + "\n"
                + "  name:         " + name + "\n" + "  description:  " + description);

        try {
            ProjectDeploymentConfiguration config = projDepConfigAdapter.createNewProjectDeploymentConfig(projectID,
                    name, description);

            log.info(config);
            writeLock.lock();
            try {
                projDepConfigs.put(config.getID(), config);
            } finally {
                writeLock.unlock();
            }

            notifyObservers(Message.NEW_CONFIG, config);
        } catch (AdaptationException ex) {
            throw new RemoteException("AdaptationException", ex);
        } catch (Exception ex) {
            String msg = "Exception in createNewProjectDeploymentConfig";
            log.error(msg, ex);
            throw new RemoteException(msg, ex);
        }
    }

    public void cloneProjectDeploymentConfig(int sourceID, String name, String description) throws RemoteException {
        log.info("Request to clone ProjectDeploymentConfiguration:\n" + "  sourceID:        " + sourceID + "\n"
                + "  newName:         " + name + "\n" + "  newDescription:  " + description);

        try {
            ProjectDeploymentConfiguration oldConfig = projDepConfigs.get(sourceID);

            ProjectDeploymentConfiguration config = projDepConfigAdapter
                    .createNewProjectDeploymentConfig(oldConfig.getProjectID(), name, description);

            writeLock.lock();
            try {
                projDepConfigs.put(config.getID(), config);
            } finally {
                writeLock.unlock();
            }

            notifyObservers(Message.NEW_CONFIG, config);

            MoteDeploymentConfigurationManagerImpl.getInstance().cloneMoteDeploymentConfigurations(sourceID,
                    config.getID());

            ProgramProfilingSymbolManagerImpl.getInstance().cloneProfilingSymbol(sourceID, config.getID());

            ProgramProfilingMessageSymbolManagerImpl.getInstance().cloneProfilingMessageSymbol(sourceID,
                    config.getID());

        } catch (AdaptationException ex) {
            throw new RemoteException("AdaptationException", ex);
        } catch (RemoteException ex) {
            throw ex;
        } catch (Exception ex) {
            String msg = "Exception in cloneProjectDeploymentConfig";
            log.error(msg, ex);
            throw new RemoteException(msg, ex);
        }
    }

    public void deleteProjectDeploymentConfig(int id) throws RemoteException {
        try {
            log.info("Request to delete ProjectDeploymentConfiguration with " + " id:  " + id);

            cleanupProgramProfilingSymbols(id);
            cleanupProgramProfilingMessageSymbols(id);
            cleanupMoteDeploymentConfigurations(id);

            ProjectDeploymentConfiguration config;
            config = projDepConfigAdapter.deleteProjectDeploymentConfig(id);

            writeLock.lock();
            try {
                projDepConfigs.remove(config.getID());
            } finally {
                writeLock.unlock();
            }

            notifyObservers(Message.DELETE_CONFIG, config);
        } catch (AdaptationException ex) {
            throw new RemoteException("AdaptationException", ex);
        } catch (Exception ex) {
            String msg = "Exception in deleteProjectDeploymentConfig";
            log.error(msg, ex);
            throw new RemoteException(msg, ex);
        }
    }

    private void cleanupProgramProfilingSymbols(int id) throws RemoteException {
        ProgramProfilingSymbolManager ppsm;
        ppsm = ProgramProfilingSymbolManagerImpl.getInstance();

        ppsm.deleteProfilingSymbolWithProjectDepConfID(id);
    }

    private void cleanupProgramProfilingMessageSymbols(int id) throws RemoteException {
        ProgramProfilingMessageSymbolManager ppmsm;
        ppmsm = ProgramProfilingMessageSymbolManagerImpl.getInstance();

        ppmsm.deleteProfilingMessageSymbolWithProjectDepConfID(id);
    }

    private void cleanupMoteDeploymentConfigurations(int id) throws RemoteException {
        MoteDeploymentConfigurationManager mdcm;
        mdcm = MoteDeploymentConfigurationManagerImpl.getInstance();

        mdcm.deleteMoteDeploymentConfigWithProjectDepConfID(id);
    }

    private ProjectDeploymentConfigurationManagerImpl() throws RemoteException {
        super();

        try {
            this.managerLock = new ReentrantReadWriteLock(true);
            this.readLock = managerLock.readLock();
            this.writeLock = managerLock.writeLock();
            projDepConfigAdapter = AdapterFactory.createProjectDeploymentConfigurationAdapter(AdapterType.SQL);
            projDepConfigs = projDepConfigAdapter.readProjectDeploymentConfigurations();

            log.debug("ProjectDeploymentConfigurations read:\n" + projDepConfigs);
        } catch (AdaptationException ex) {
            throw new RemoteException("AdaptationException", ex);
        } catch (Exception ex) {
            String msg = "Exception in " + "ProjectDeploymentConfigurationManagerImpl";
            log.error(msg, ex);
            throw new RemoteException(msg, ex);
        }
    }
}