2 * Copyright © 2016 AT&T 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.transportpce.common;
10 import com.google.common.collect.ClassToInstanceMap;
11 import com.google.common.collect.ImmutableMap;
12 import com.google.common.util.concurrent.ListeningExecutorService;
13 import com.google.common.util.concurrent.MoreExecutors;
14 import java.util.LinkedList;
15 import java.util.List;
17 import java.util.Optional;
18 import java.util.ServiceLoader;
19 import java.util.concurrent.Executors;
20 import javassist.ClassPool;
21 import org.eclipse.jdt.annotation.NonNull;
22 import org.opendaylight.mdsal.binding.api.DataBroker;
23 import org.opendaylight.mdsal.binding.api.NotificationPublishService;
24 import org.opendaylight.mdsal.binding.api.NotificationService;
25 import org.opendaylight.mdsal.binding.dom.adapter.BindingDOMDataBrokerAdapter;
26 import org.opendaylight.mdsal.binding.dom.adapter.BindingDOMNotificationPublishServiceAdapter;
27 import org.opendaylight.mdsal.binding.dom.adapter.BindingDOMNotificationServiceAdapter;
28 import org.opendaylight.mdsal.binding.dom.adapter.BindingToNormalizedNodeCodec;
29 import org.opendaylight.mdsal.binding.dom.codec.gen.impl.StreamWriterGenerator;
30 import org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry;
31 import org.opendaylight.mdsal.binding.generator.impl.GeneratedClassLoadingStrategy;
32 import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
33 import org.opendaylight.mdsal.binding.generator.util.BindingRuntimeContext;
34 import org.opendaylight.mdsal.binding.generator.util.JavassistUtils;
35 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
36 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
37 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
38 import org.opendaylight.mdsal.dom.api.DOMSchemaServiceExtension;
39 import org.opendaylight.mdsal.dom.broker.DOMNotificationRouter;
40 import org.opendaylight.mdsal.dom.broker.SerializedDOMDataBroker;
41 import org.opendaylight.mdsal.dom.spi.store.DOMStore;
42 import org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStore;
43 import org.opendaylight.yangtools.concepts.ListenerRegistration;
44 import org.opendaylight.yangtools.util.ListenerRegistry;
45 import org.opendaylight.yangtools.yang.binding.YangModelBindingProvider;
46 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
47 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
48 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
49 import org.opendaylight.yangtools.yang.model.api.SchemaContextProvider;
50 import org.slf4j.Logger;
51 import org.slf4j.LoggerFactory;
53 public class DataStoreContextImpl implements DataStoreContext {
55 private static final Logger LOG = LoggerFactory.getLogger(DataStoreContextImpl.class);
57 private final Map<LogicalDatastoreType, DOMStore> datastores;
58 private final SchemaContextHolder mockedSchemaContext;
59 private final DOMNotificationRouter domNotificationRouter;
60 private final DOMDataBroker domDataBroker;
61 private final DataBroker dataBroker;
62 private final NotificationService notificationService;
63 private final NotificationPublishService notificationPublishService;
65 public DataStoreContextImpl() {
69 public DataStoreContextImpl(boolean fromClasspath) {
70 this.mockedSchemaContext = new SchemaContextHolder(fromClasspath);
71 this.datastores = createDatastores();
72 this.domNotificationRouter = DOMNotificationRouter.create(16);
73 this.domDataBroker = createDOMDataBroker();
74 this.dataBroker = createDataBroker();
75 this.notificationService = createNotificationService();
76 this.notificationPublishService = createNotificationPublishService();
77 for (ListenerRegistration<? extends SchemaContextListener> listener :
78 this.mockedSchemaContext.listeners.getRegistrations()) {
79 listener.getInstance().onGlobalContextUpdated(this.mockedSchemaContext.schemaContext);
84 public DataBroker getDataBroker() {
85 return this.dataBroker;
89 public DOMDataBroker getDOMDataBroker() {
90 return this.domDataBroker;
94 public NotificationService createNotificationService() {
95 return new BindingDOMNotificationServiceAdapter(this.domNotificationRouter,
96 this.mockedSchemaContext.bindingStreamCodecs);
100 public NotificationPublishService createNotificationPublishService() {
101 return new BindingDOMNotificationPublishServiceAdapter(this.domNotificationRouter,
102 this.mockedSchemaContext.bindingToNormalized);
106 public SchemaContext getSchemaContext() {
107 return this.mockedSchemaContext.schemaContext;
111 public BindingNormalizedNodeCodecRegistry getBindingToNormalizedNodeCodec() {
112 return this.mockedSchemaContext.bindingStreamCodecs;
116 public NotificationService getNotificationService() {
117 return this.notificationService;
121 public NotificationPublishService getNotificationPublishService() {
122 return this.notificationPublishService;
125 private DOMDataBroker createDOMDataBroker() {
126 return new SerializedDOMDataBroker(this.datastores,
127 MoreExecutors.listeningDecorator(Executors.newSingleThreadExecutor()));
130 private ListeningExecutorService getDataTreeChangeListenerExecutor() {
131 return MoreExecutors.newDirectExecutorService();
134 private DataBroker createDataBroker() {
135 return new BindingDOMDataBrokerAdapter(getDOMDataBroker(), this.mockedSchemaContext.bindingToNormalized);
138 private Map<LogicalDatastoreType, DOMStore> createDatastores() {
139 return ImmutableMap.<LogicalDatastoreType, DOMStore>builder()
140 .put(LogicalDatastoreType.OPERATIONAL, createOperationalDatastore())
141 .put(LogicalDatastoreType.CONFIGURATION, createConfigurationDatastore()).build();
144 private DOMStore createConfigurationDatastore() {
145 final InMemoryDOMDataStore store = new InMemoryDOMDataStore("CFG", getDataTreeChangeListenerExecutor());
146 this.mockedSchemaContext.registerSchemaContextListener(store);
150 private DOMStore createOperationalDatastore() {
151 final InMemoryDOMDataStore store = new InMemoryDOMDataStore("OPER", getDataTreeChangeListenerExecutor());
152 this.mockedSchemaContext.registerSchemaContextListener(store);
156 private final class SchemaContextHolder implements DOMSchemaService, SchemaContextProvider {
158 private final SchemaContext schemaContext;
159 private final ListenerRegistry<SchemaContextListener> listeners;
160 private final BindingNormalizedNodeCodecRegistry bindingStreamCodecs;
161 private final BindingToNormalizedNodeCodec bindingToNormalized;
162 private final ModuleInfoBackedContext moduleInfoBackedCntxt;
164 private SchemaContextHolder(boolean fromClasspath) {
165 List<YangModuleInfo> moduleInfos = loadModuleInfos();
166 this.moduleInfoBackedCntxt = ModuleInfoBackedContext.create();
167 this.schemaContext = getSchemaContext(moduleInfos);
168 this.listeners = ListenerRegistry.create();
169 this.bindingStreamCodecs = createBindingRegistry();
170 GeneratedClassLoadingStrategy loading = GeneratedClassLoadingStrategy.getTCCLClassLoadingStrategy();
171 this.bindingToNormalized = new BindingToNormalizedNodeCodec(loading, this.bindingStreamCodecs);
172 registerSchemaContextListener(this.bindingToNormalized);
176 public SchemaContext getSchemaContext() {
177 return this.schemaContext;
181 * Get the schemacontext from loaded modules on classpath.
183 * @param moduleInfos a list of Yang module Infos
184 * @return SchemaContext a schema context
186 private SchemaContext getSchemaContext(List<YangModuleInfo> moduleInfos) {
187 this.moduleInfoBackedCntxt.addModuleInfos(moduleInfos);
188 Optional<SchemaContext> tryToCreateSchemaContext =
189 this.moduleInfoBackedCntxt.tryToCreateSchemaContext();
190 if (!tryToCreateSchemaContext.isPresent()) {
191 LOG.error("Could not create the initial schema context. Schema context is empty");
192 throw new IllegalStateException();
194 return tryToCreateSchemaContext.get();
198 public SchemaContext getGlobalContext() {
199 return this.schemaContext;
203 public SchemaContext getSessionContext() {
204 return this.schemaContext;
208 public ListenerRegistration<SchemaContextListener> registerSchemaContextListener(
209 SchemaContextListener listener) {
210 return this.listeners.register(listener);
214 * Loads all {@link YangModelBindingProvider} on the classpath.
216 * @return list of known {@link YangModuleInfo}
218 private List<YangModuleInfo> loadModuleInfos() {
219 List<YangModuleInfo> moduleInfos = new LinkedList<>();
220 ServiceLoader<YangModelBindingProvider> yangProviderLoader =
221 ServiceLoader.load(YangModelBindingProvider.class);
222 for (YangModelBindingProvider yangModelBindingProvider : yangProviderLoader) {
223 moduleInfos.add(yangModelBindingProvider.getModuleInfo());
224 LOG.debug("Adding [{}] module into known modules", yangModelBindingProvider.getModuleInfo());
230 * Creates binding registry.
232 * @return BindingNormalizedNodeCodecRegistry the resulting binding registry
234 private BindingNormalizedNodeCodecRegistry createBindingRegistry() {
235 BindingRuntimeContext bindingContext =
236 BindingRuntimeContext.create(this.moduleInfoBackedCntxt, this.schemaContext);
237 BindingNormalizedNodeCodecRegistry bindingNormalizedNodeCodecRegistry =
238 new BindingNormalizedNodeCodecRegistry(
239 StreamWriterGenerator.create(JavassistUtils.forClassPool(ClassPool.getDefault())));
240 bindingNormalizedNodeCodecRegistry.onBindingRuntimeContextUpdated(bindingContext);
241 return bindingNormalizedNodeCodecRegistry;
245 * @see org.opendaylight.mdsal.dom.api.DOMExtensibleService#getExtensions()
248 public @NonNull ClassToInstanceMap<DOMSchemaServiceExtension> getExtensions() {
249 // TODO Auto-generated method stub