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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.core.message.internal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.osee.framework.core.enums.OseeServiceTrackerId;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.model.BranchFactory;
import org.eclipse.osee.framework.core.model.OseeModelFactoryService;
import org.eclipse.osee.framework.core.model.TransactionRecordFactory;
import org.eclipse.osee.framework.core.model.type.ArtifactTypeFactory;
import org.eclipse.osee.framework.core.model.type.AttributeTypeFactory;
import org.eclipse.osee.framework.core.model.type.OseeEnumTypeFactory;
import org.eclipse.osee.framework.core.model.type.RelationTypeFactory;
import org.eclipse.osee.framework.core.services.IOseeCachingService;
import org.eclipse.osee.framework.core.services.IOseeCachingServiceProvider;
import org.eclipse.osee.framework.core.services.IOseeModelFactoryService;
import org.eclipse.osee.framework.core.services.IOseeModelFactoryServiceProvider;
import org.eclipse.osee.framework.core.translation.IDataTranslationService;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.util.tracker.ServiceTracker;
public class Activator implements BundleActivator, IOseeCachingServiceProvider, IOseeModelFactoryServiceProvider {
public static final String PLUGIN_ID = "org.eclipse.osee.framework.core.model";
private static Activator instance = null;
private BundleContext bundleContext;
private final List<ServiceRegistration> services;
private final Map<OseeServiceTrackerId, ServiceTracker> mappedTrackers;
public Activator() {
services = new ArrayList<ServiceRegistration>();
mappedTrackers = new HashMap<OseeServiceTrackerId, ServiceTracker>();
}
@Override
public void start(BundleContext context) throws Exception {
instance = this;
instance.bundleContext = context;
IOseeModelFactoryService factories = createFactoryService();
IDataTranslationService service = new DataTranslationServiceFactory().createService(this, this);
createService(context, IOseeModelFactoryService.class, factories);
createService(context, IDataTranslationService.class, service);
createServiceTracker(context, IOseeCachingService.class, OseeServiceTrackerId.OSEE_CACHING_SERVICE);
createServiceTracker(context, IOseeModelFactoryService.class, OseeServiceTrackerId.OSEE_MODEL_FACTORY);
}
private IOseeModelFactoryService createFactoryService() {
return new OseeModelFactoryService(new BranchFactory(), new TransactionRecordFactory(),
new ArtifactTypeFactory(), new AttributeTypeFactory(), new RelationTypeFactory(), new OseeEnumTypeFactory());
}
@Override
public void stop(BundleContext context) throws Exception {
for (ServiceRegistration service : services) {
service.unregister();
}
for (ServiceTracker tracker : mappedTrackers.values()) {
tracker.close();
}
services.clear();
mappedTrackers.clear();
instance.bundleContext = null;
instance = null;
}
public static BundleContext getBundleContext() {
return instance.bundleContext;
}
private void createService(BundleContext context, Class<?> serviceInterface, Object serviceImplementation) {
services.add(context.registerService(serviceInterface.getName(), serviceImplementation, null));
}
private void createServiceTracker(BundleContext context, Class<?> clazz, OseeServiceTrackerId trackerId) {
ServiceTracker tracker = new ServiceTracker(context, clazz.getName(), null);
tracker.open();
mappedTrackers.put(trackerId, tracker);
}
@Override
public IOseeCachingService getOseeCachingService() {
return getTracker(OseeServiceTrackerId.OSEE_CACHING_SERVICE, IOseeCachingService.class);
}
private <T> T getTracker(OseeServiceTrackerId trackerId, Class<T> clazz) {
ServiceTracker tracker = mappedTrackers.get(trackerId);
Object service = tracker.getService();
return clazz.cast(service);
}
@Override
public IOseeModelFactoryService getOseeFactoryService() throws OseeCoreException {
return getTracker(OseeServiceTrackerId.OSEE_MODEL_FACTORY, IOseeModelFactoryService.class);
}
public static Activator getInstance() {
return instance;
}
}
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