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
9 package org.opendaylight.controller.config.manager.impl.osgi.mapping;
11 import java.util.Hashtable;
12 import org.opendaylight.yangtools.concepts.ObjectRegistration;
13 import org.opendaylight.yangtools.sal.binding.generator.api.ClassLoadingStrategy;
14 import org.opendaylight.yangtools.sal.binding.generator.api.ModuleInfoRegistry;
15 import org.opendaylight.yangtools.sal.binding.generator.util.BindingRuntimeContext;
16 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
17 import org.opendaylight.yangtools.yang.model.api.SchemaContextProvider;
18 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
19 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceProvider;
20 import org.osgi.framework.BundleContext;
21 import org.osgi.framework.ServiceRegistration;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
26 * Update SchemaContext service in Service Registry each time new YangModuleInfo is added or removed.
28 public class RefreshingSCPModuleInfoRegistry implements ModuleInfoRegistry, AutoCloseable {
29 private static final Logger LOG = LoggerFactory.getLogger(RefreshingSCPModuleInfoRegistry.class);
31 private final ModuleInfoRegistry moduleInfoRegistry;
32 private final SchemaContextProvider schemaContextProvider;
33 private final SchemaSourceProvider<YangTextSchemaSource> sourceProvider;
34 private final BindingContextProvider bindingContextProvider;
35 private final ClassLoadingStrategy classLoadingStrat;
37 private volatile ServiceRegistration<SchemaContextProvider> osgiReg;
39 public RefreshingSCPModuleInfoRegistry(final ModuleInfoRegistry moduleInfoRegistry,
40 final SchemaContextProvider schemaContextProvider, final ClassLoadingStrategy classLoadingStrat,
41 final SchemaSourceProvider<YangTextSchemaSource> sourceProvider, final BindingContextProvider bindingContextProvider,
42 final BundleContext bundleContext) {
44 this.moduleInfoRegistry = moduleInfoRegistry;
45 this.schemaContextProvider = schemaContextProvider;
46 this.classLoadingStrat = classLoadingStrat;
47 this.sourceProvider = sourceProvider;
48 this.bindingContextProvider = bindingContextProvider;
49 osgiReg = bundleContext
50 .registerService(SchemaContextProvider.class, schemaContextProvider, new Hashtable<String, String>());
53 public void updateService() {
56 bindingContextProvider.update(classLoadingStrat, schemaContextProvider);
57 osgiReg.setProperties(new Hashtable<String, Object>() {{
58 put(BindingRuntimeContext.class.getName(), bindingContextProvider.getBindingContext());
59 put(SchemaSourceProvider.class.getName(), sourceProvider);
60 }}); // send modifiedService event
61 } catch (RuntimeException e) {
62 // The ModuleInfoBackedContext throws a RuntimeException if it can't create the schema context.
63 LOG.warn("Error updating the BindingContextProvider", e);
69 public ObjectRegistration<YangModuleInfo> registerModuleInfo(YangModuleInfo yangModuleInfo) {
70 ObjectRegistration<YangModuleInfo> yangModuleInfoObjectRegistration = moduleInfoRegistry.registerModuleInfo(yangModuleInfo);
71 ObjectRegistrationWrapper wrapper = new ObjectRegistrationWrapper(yangModuleInfoObjectRegistration);
76 public void close() throws Exception {
84 private class ObjectRegistrationWrapper implements ObjectRegistration<YangModuleInfo> {
85 private final ObjectRegistration<YangModuleInfo> inner;
87 private ObjectRegistrationWrapper(ObjectRegistration<YangModuleInfo> inner) {
92 public YangModuleInfo getInstance() {
93 return inner.getInstance();
97 public void close() throws Exception {
99 updateService();// send modify event when a bundle disappears
103 public String toString() {
104 return inner.toString();