2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.sal.core.api;
10 import java.util.Collection;
11 import java.util.Collections;
12 import org.osgi.framework.BundleActivator;
13 import org.osgi.framework.BundleContext;
14 import org.osgi.framework.ServiceReference;
15 import org.osgi.util.tracker.ServiceTracker;
16 import org.osgi.util.tracker.ServiceTrackerCustomizer;
21 * @deprecated Use blueprint instead for code wiring.
24 public abstract class AbstractProvider implements BundleActivator, Provider,ServiceTrackerCustomizer<Broker, Broker> {
26 private Broker broker;
27 private BundleContext context;
28 private ServiceTracker<Broker, Broker> tracker;
31 public Collection<ProviderFunctionality> getProviderFunctionality() {
32 return Collections.emptySet();
36 public final void start(final BundleContext bundleContext) throws Exception {
37 this.context = bundleContext;
38 this.startImpl(bundleContext);
39 tracker = new ServiceTracker<>(bundleContext, Broker.class, this);
43 protected void startImpl(final BundleContext bundleContext) {
47 protected void stopImpl(final BundleContext bundleContext) {
52 public final void stop(final BundleContext bundleContext) throws Exception {
55 if (tracker != null) {
60 stopImpl(bundleContext);
64 public Broker addingService(final ServiceReference<Broker> reference) {
65 if (broker == null && context != null) {
66 broker = context.getService(reference);
67 broker.registerProvider(this, context);
75 public void modifiedService(final ServiceReference<Broker> reference, final Broker service) {
80 public void removedService(final ServiceReference<Broker> reference, final Broker service) {