2 * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.mdsal.binding.dom.adapter.osgi;
10 import static java.util.Objects.requireNonNull;
12 import java.util.function.Function;
13 import org.opendaylight.mdsal.binding.api.BindingService;
14 import org.opendaylight.mdsal.dom.api.DOMService;
15 import org.osgi.framework.BundleContext;
16 import org.osgi.framework.ServiceReference;
17 import org.osgi.service.component.ComponentFactory;
18 import org.osgi.service.component.ComponentInstance;
20 final class AdaptingComponentTracker<D extends DOMService, B extends BindingService>
21 extends AbstractAdaptingTracker<D, B, AdaptingComponentTracker.ComponentHolder<B>> {
22 static final class ComponentHolder<B extends BindingService> {
24 ComponentInstance component;
26 ComponentHolder(final B binding, final ComponentInstance component) {
27 this.binding = requireNonNull(binding);
28 this.component = requireNonNull(component);
32 private final ComponentFactory componentFactory;
34 AdaptingComponentTracker(final BundleContext ctx, final Class<D> domClass, final Class<B> bindingClass,
35 final Function<D, B> bindingFactory, final ComponentFactory componentFactory) {
36 super(ctx, domClass, bindingClass, bindingFactory);
37 this.componentFactory = requireNonNull(componentFactory);
41 ComponentHolder<B> addingService(final ServiceReference<D> reference, final D dom, final B binding) {
42 return new ComponentHolder<>(binding, componentFactory.newInstance(Dict.fromReference(reference, binding)));
46 void removedService(final ComponentHolder<B> service) {
47 service.component.dispose();
51 void updatedService(final ServiceReference<D> reference, final ComponentHolder<B> service) {
52 service.component.dispose();
53 service.component = componentFactory.newInstance(Dict.fromReference(reference, service.binding));