2 * Copyright (c) 2014 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.mdsal.binding.dom.adapter;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import static com.google.common.base.Preconditions.checkState;
12 import static java.util.Objects.requireNonNull;
14 import com.google.common.annotations.Beta;
15 import com.google.common.cache.CacheBuilder;
16 import com.google.common.cache.CacheLoader;
17 import com.google.common.cache.LoadingCache;
18 import com.google.common.collect.ImmutableBiMap;
19 import com.google.common.collect.ImmutableSet;
20 import com.google.common.collect.Iterators;
21 import java.lang.reflect.Method;
22 import java.time.Instant;
23 import java.util.AbstractMap.SimpleEntry;
24 import java.util.Collection;
25 import java.util.Map.Entry;
26 import java.util.Optional;
27 import java.util.concurrent.TimeUnit;
28 import java.util.stream.Collectors;
29 import javax.annotation.PreDestroy;
30 import javax.inject.Inject;
31 import javax.inject.Singleton;
32 import org.eclipse.jdt.annotation.NonNull;
33 import org.opendaylight.binding.runtime.api.BindingRuntimeContext;
34 import org.opendaylight.binding.runtime.api.BindingRuntimeGenerator;
35 import org.opendaylight.binding.runtime.api.ClassLoadingStrategy;
36 import org.opendaylight.binding.runtime.api.DefaultBindingRuntimeContext;
37 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
38 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTree;
39 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTreeFactory;
40 import org.opendaylight.mdsal.binding.dom.codec.api.BindingDataObjectCodecTreeNode;
41 import org.opendaylight.mdsal.binding.dom.codec.api.BindingLazyContainerNode;
42 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
43 import org.opendaylight.mdsal.binding.dom.codec.api.MissingSchemaException;
44 import org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry;
45 import org.opendaylight.mdsal.binding.spec.naming.BindingMapping;
46 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
47 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
48 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
49 import org.opendaylight.yangtools.concepts.ListenerRegistration;
50 import org.opendaylight.yangtools.yang.binding.Action;
51 import org.opendaylight.yangtools.yang.binding.DataContainer;
52 import org.opendaylight.yangtools.yang.binding.DataObject;
53 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
54 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
55 import org.opendaylight.yangtools.yang.binding.Notification;
56 import org.opendaylight.yangtools.yang.binding.RpcInput;
57 import org.opendaylight.yangtools.yang.binding.RpcOutput;
58 import org.opendaylight.yangtools.yang.binding.RpcService;
59 import org.opendaylight.yangtools.yang.common.QNameModule;
60 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
61 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
62 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
63 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
64 import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
65 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
66 import org.opendaylight.yangtools.yang.model.api.ActionDefinition;
67 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
68 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContextListener;
69 import org.opendaylight.yangtools.yang.model.api.Module;
70 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
71 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
72 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
73 import org.slf4j.Logger;
74 import org.slf4j.LoggerFactory;
77 * A combinations of {@link BindingCodecTreeFactory} and {@link BindingNormalizedNodeSerializer}, with internal
78 * caching of instance identifiers.
81 * NOTE: this class is non-final to allow controller adapter migration without duplicated code.
84 public class BindingToNormalizedNodeCodec implements BindingNormalizedNodeSerializer, EffectiveModelContextListener,
87 private static final long WAIT_DURATION_SEC = 5;
88 private static final Logger LOG = LoggerFactory.getLogger(BindingToNormalizedNodeCodec.class);
90 private final LoadingCache<InstanceIdentifier<?>, YangInstanceIdentifier> iiCache = CacheBuilder.newBuilder()
91 .softValues().build(new CacheLoader<InstanceIdentifier<?>, YangInstanceIdentifier>() {
93 public YangInstanceIdentifier load(final InstanceIdentifier<?> key) {
94 return toYangInstanceIdentifierBlocking(key);
97 private final BindingNormalizedNodeCodecRegistry codecRegistry;
98 private final ClassLoadingStrategy classLoadingStrategy;
99 private final BindingRuntimeGenerator generator;
100 private final FutureSchema futureSchema;
102 private ListenerRegistration<?> listenerRegistration;
105 public BindingToNormalizedNodeCodec(final BindingRuntimeGenerator generator,
106 final ClassLoadingStrategy classLoadingStrategy, final BindingNormalizedNodeCodecRegistry codecRegistry) {
107 this(generator, classLoadingStrategy, codecRegistry, false);
111 public BindingToNormalizedNodeCodec(final BindingRuntimeContext runtimeContext) {
112 generator = (final SchemaContext context) -> {
113 throw new UnsupportedOperationException("Static context assigned");
115 classLoadingStrategy = runtimeContext.getStrategy();
116 codecRegistry = new BindingNormalizedNodeCodecRegistry(runtimeContext);
117 // TODO: this should have a specialized constructor or not be needed
118 futureSchema = FutureSchema.create(0, TimeUnit.SECONDS, false);
119 futureSchema.onRuntimeContextUpdated(runtimeContext);
122 public BindingToNormalizedNodeCodec(final BindingRuntimeGenerator generator,
123 final ClassLoadingStrategy classLoadingStrategy, final BindingNormalizedNodeCodecRegistry codecRegistry,
124 final boolean waitForSchema) {
125 this.generator = requireNonNull(generator, "generator");
126 this.classLoadingStrategy = requireNonNull(classLoadingStrategy, "classLoadingStrategy");
127 this.codecRegistry = requireNonNull(codecRegistry, "codecRegistry");
128 this.futureSchema = FutureSchema.create(WAIT_DURATION_SEC, TimeUnit.SECONDS, waitForSchema);
131 public static BindingToNormalizedNodeCodec newInstance(final BindingRuntimeGenerator generator,
132 final ClassLoadingStrategy classLoadingStrategy, final DOMSchemaService schemaService) {
133 final BindingNormalizedNodeCodecRegistry codecRegistry = new BindingNormalizedNodeCodecRegistry();
134 BindingToNormalizedNodeCodec instance = new BindingToNormalizedNodeCodec(generator, classLoadingStrategy,
135 codecRegistry, true);
136 instance.listenerRegistration = schemaService.registerSchemaContextListener(instance);
140 protected YangInstanceIdentifier toYangInstanceIdentifierBlocking(
141 final InstanceIdentifier<? extends DataObject> binding) {
143 return codecRegistry.toYangInstanceIdentifier(binding);
144 } catch (final MissingSchemaException e) {
145 waitForSchema(decompose(binding), e);
146 return codecRegistry.toYangInstanceIdentifier(binding);
151 public final YangInstanceIdentifier toYangInstanceIdentifier(final InstanceIdentifier<?> binding) {
152 return codecRegistry.toYangInstanceIdentifier(binding);
155 protected YangInstanceIdentifier toYangInstanceIdentifierCached(final InstanceIdentifier<?> binding) {
156 return iiCache.getUnchecked(binding);
160 public final <T extends DataObject> Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
161 final InstanceIdentifier<T> path, final T data) {
163 return codecRegistry.toNormalizedNode(path, data);
164 } catch (final MissingSchemaException e) {
165 waitForSchema(decompose(path), e);
166 return codecRegistry.toNormalizedNode(path, data);
171 * Converts Binding Map.Entry to DOM Map.Entry.
174 * Same as {@link #toNormalizedNode(InstanceIdentifier, DataObject)}.
176 * @param binding Map Entry with InstanceIdentifier as key and DataObject as value.
177 * @return DOM Map Entry with {@link YangInstanceIdentifier} as key and {@link NormalizedNode}
180 @SuppressWarnings({"unchecked", "rawtypes"})
181 public final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
182 final Entry<InstanceIdentifier<? extends DataObject>, DataObject> binding) {
183 return toNormalizedNode((InstanceIdentifier) binding.getKey(), binding.getValue());
187 public final Entry<InstanceIdentifier<?>, DataObject> fromNormalizedNode(final YangInstanceIdentifier path,
188 final NormalizedNode<?, ?> data) {
189 return codecRegistry.fromNormalizedNode(path, data);
193 public final Notification fromNormalizedNodeNotification(final SchemaPath path, final ContainerNode data) {
194 return codecRegistry.fromNormalizedNodeNotification(path, data);
198 public final Notification fromNormalizedNodeNotification(final SchemaPath path, final ContainerNode data,
199 final Instant eventInstant) {
200 return codecRegistry.fromNormalizedNodeNotification(path, data, eventInstant);
204 public final DataObject fromNormalizedNodeRpcData(final SchemaPath path, final ContainerNode data) {
205 return codecRegistry.fromNormalizedNodeRpcData(path, data);
209 public <T extends RpcInput> T fromNormalizedNodeActionInput(final Class<? extends Action<?, ?, ?>> action,
210 final ContainerNode input) {
211 return codecRegistry.fromNormalizedNodeActionInput(action, input);
215 public <T extends RpcOutput> T fromNormalizedNodeActionOutput(final Class<? extends Action<?, ?, ?>> action,
216 final ContainerNode output) {
217 return codecRegistry.fromNormalizedNodeActionOutput(action, output);
221 public final InstanceIdentifier<?> fromYangInstanceIdentifier(final YangInstanceIdentifier dom) {
222 return codecRegistry.fromYangInstanceIdentifier(dom);
226 public final ContainerNode toNormalizedNodeNotification(final Notification data) {
227 return codecRegistry.toNormalizedNodeNotification(data);
231 public final ContainerNode toNormalizedNodeRpcData(final DataContainer data) {
232 return codecRegistry.toNormalizedNodeRpcData(data);
236 public ContainerNode toNormalizedNodeActionInput(final Class<? extends Action<?, ?, ?>> action,
237 final RpcInput input) {
238 return codecRegistry.toNormalizedNodeActionInput(action, input);
242 public ContainerNode toNormalizedNodeActionOutput(final Class<? extends Action<?, ?, ?>> action,
243 final RpcOutput output) {
244 return codecRegistry.toNormalizedNodeActionOutput(action, output);
248 public BindingLazyContainerNode<RpcInput> toLazyNormalizedNodeActionInput(
249 final Class<? extends Action<?, ?, ?>> action, final NodeIdentifier identifier, final RpcInput input) {
250 return codecRegistry.toLazyNormalizedNodeActionInput(action, identifier, input);
254 public BindingLazyContainerNode<RpcOutput> toLazyNormalizedNodeActionOutput(
255 final Class<? extends Action<?, ?, ?>> action, final NodeIdentifier identifier, final RpcOutput output) {
256 return codecRegistry.toLazyNormalizedNodeActionOutput(action, identifier, output);
260 * Returns a Binding-Aware instance identifier from normalized
261 * instance-identifier if it is possible to create representation.
264 * Returns Optional.empty for cases where target is mixin node except
267 public final Optional<InstanceIdentifier<? extends DataObject>> toBinding(final YangInstanceIdentifier normalized)
268 throws DeserializationException {
270 return Optional.ofNullable(codecRegistry.fromYangInstanceIdentifier(normalized));
271 } catch (final IllegalArgumentException e) {
272 return Optional.empty();
277 public void onModelContextUpdated(final EffectiveModelContext newModelContext) {
278 final BindingRuntimeContext runtimeContext = DefaultBindingRuntimeContext.create(
279 generator.generateTypeMapping(newModelContext), classLoadingStrategy);
280 codecRegistry.onBindingRuntimeContextUpdated(runtimeContext);
281 futureSchema.onRuntimeContextUpdated(runtimeContext);
284 public final BindingNormalizedNodeCodecRegistry getCodecRegistry() {
285 return codecRegistry;
290 public void close() {
291 if (listenerRegistration != null) {
292 listenerRegistration.close();
296 public final BindingNormalizedNodeCodecRegistry getCodecFactory() {
297 return codecRegistry;
300 // FIXME: This should be probably part of Binding Runtime context
301 public final ImmutableBiMap<Method, SchemaPath> getRpcMethodToSchemaPath(final Class<? extends RpcService> key) {
302 final Module module = getModuleBlocking(key);
303 final ImmutableBiMap.Builder<Method, SchemaPath> ret = ImmutableBiMap.builder();
305 for (final RpcDefinition rpcDef : module.getRpcs()) {
306 final Method method = findRpcMethod(key, rpcDef);
307 ret.put(method, rpcDef.getPath());
309 } catch (final NoSuchMethodException e) {
310 throw new IllegalStateException("Rpc defined in model does not have representation in generated class.", e);
315 protected ImmutableBiMap<Method, RpcDefinition> getRpcMethodToSchema(final Class<? extends RpcService> key) {
316 final Module module = getModuleBlocking(key);
317 final ImmutableBiMap.Builder<Method, RpcDefinition> ret = ImmutableBiMap.builder();
319 for (final RpcDefinition rpcDef : module.getRpcs()) {
320 final Method method = findRpcMethod(key, rpcDef);
321 ret.put(method, rpcDef);
323 } catch (final NoSuchMethodException e) {
324 throw new IllegalStateException("Rpc defined in model does not have representation in generated class.", e);
329 private Module getModuleBlocking(final Class<?> modeledClass) {
330 final QNameModule moduleName = BindingReflections.getQNameModule(modeledClass);
331 BindingRuntimeContext localRuntimeContext = runtimeContext();
332 Module module = localRuntimeContext == null ? null :
333 localRuntimeContext.getSchemaContext().findModule(moduleName).orElse(null);
334 if (module == null && futureSchema.waitForSchema(moduleName)) {
335 localRuntimeContext = runtimeContext();
336 checkState(localRuntimeContext != null, "BindingRuntimeContext is not available.");
337 module = localRuntimeContext.getSchemaContext().findModule(moduleName).orElse(null);
339 if (module != null) {
343 LOG.debug("Schema for {} is not available; expected module name: {}; BindingRuntimeContext: {}",
344 modeledClass, moduleName, localRuntimeContext);
345 throw new IllegalStateException(String.format("Schema for %s is not available; expected module name: %s; "
346 + "full BindingRuntimeContext available in debug log", modeledClass, moduleName));
349 private void waitForSchema(final Collection<Class<?>> binding, final MissingSchemaException exception) {
350 LOG.warn("Blocking thread to wait for schema convergence updates for {} {}", futureSchema.getDuration(),
351 futureSchema.getUnit());
352 if (!futureSchema.waitForSchema(binding)) {
357 private Method findRpcMethod(final Class<? extends RpcService> key, final RpcDefinition rpcDef)
358 throws NoSuchMethodException {
359 final String methodName = BindingMapping.getRpcMethodName(rpcDef.getQName());
360 final Class<?> inputClz = runtimeContext().getClassForSchema(rpcDef.getInput());
361 return key.getMethod(methodName, inputClz);
364 protected @NonNull Entry<InstanceIdentifier<?>, BindingDataObjectCodecTreeNode<?>> getSubtreeCodec(
365 final YangInstanceIdentifier domIdentifier) {
367 final BindingCodecTree currentCodecTree = codecRegistry.getCodecContext();
368 final InstanceIdentifier<?> bindingPath = codecRegistry.fromYangInstanceIdentifier(domIdentifier);
369 checkArgument(bindingPath != null);
371 * If we are able to deserialize YANG instance identifier, getSubtreeCodec must
372 * return non-null value.
374 final BindingDataObjectCodecTreeNode<?> codecContext = currentCodecTree.getSubtreeCodec(bindingPath);
375 return new SimpleEntry<>(bindingPath, codecContext);
378 SchemaPath getActionPath(final Class<? extends Action<?, ?, ?>> type) {
379 final ActionDefinition schema = runtimeContext().getActionDefinition(type);
380 checkArgument(schema != null, "Failed to find schema for %s", type);
381 return schema.getPath();
384 private BindingRuntimeContext runtimeContext() {
385 return futureSchema.runtimeContext();
388 private static Collection<Class<?>> decompose(final InstanceIdentifier<?> path) {
389 return ImmutableSet.copyOf(Iterators.transform(path.getPathArguments().iterator(), PathArgument::getType));
392 protected NormalizedNode<?, ?> instanceIdentifierToNode(final YangInstanceIdentifier parentPath) {
393 return ImmutableNodes.fromInstanceId(runtimeContext().getSchemaContext(), parentPath);
396 protected Collection<DOMDataTreeIdentifier> toDOMDataTreeIdentifiers(
397 final Collection<DataTreeIdentifier<?>> subtrees) {
398 return subtrees.stream().map(this::toDOMDataTreeIdentifier).collect(Collectors.toSet());
401 protected DOMDataTreeIdentifier toDOMDataTreeIdentifier(final DataTreeIdentifier<?> path) {
402 final YangInstanceIdentifier domPath = toYangInstanceIdentifierBlocking(path.getRootIdentifier());
403 return new DOMDataTreeIdentifier(path.getDatastoreType(), domPath);