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 AbstractConsumer implements Consumer, BundleActivator,ServiceTrackerCustomizer<Broker, Broker> {
26 private BundleContext context;
27 private ServiceTracker<Broker, Broker> tracker;
28 private Broker broker;
31 public final void start(final BundleContext bundleContext) throws Exception {
32 this.context = bundleContext;
33 this.startImpl(bundleContext);
34 tracker = new ServiceTracker<>(bundleContext, Broker.class, this);
39 public final void stop(final BundleContext bundleContext) throws Exception {
40 stopImpl(bundleContext);
43 if (tracker != null) {
48 protected void startImpl(final BundleContext bundleContext) {
52 protected void stopImpl(final BundleContext bundleContext) {
57 public Collection<ConsumerFunctionality> getConsumerFunctionality() {
58 return Collections.emptySet();
63 public Broker addingService(final ServiceReference<Broker> reference) {
64 if (broker == null && context != null) {
65 broker = context.getService(reference);
66 broker.registerConsumer(this, context);
74 public void modifiedService(final ServiceReference<Broker> reference, final Broker service) {
79 public void removedService(final ServiceReference<Broker> reference, final Broker service) {