2 * Copyright (c) 2015 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.dom.broker;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import static com.google.common.base.Verify.verifyNotNull;
12 import static java.util.Objects.requireNonNull;
14 import com.google.common.annotations.VisibleForTesting;
15 import com.google.common.collect.ClassToInstanceMap;
16 import com.google.common.collect.Collections2;
17 import com.google.common.collect.ImmutableClassToInstanceMap;
18 import com.google.common.collect.ImmutableList;
19 import com.google.common.collect.ImmutableMap;
20 import com.google.common.collect.ImmutableSet;
21 import com.google.common.collect.MapDifference;
22 import com.google.common.collect.MapDifference.ValueDifference;
23 import com.google.common.collect.Maps;
24 import com.google.common.collect.Sets;
25 import com.google.common.util.concurrent.Futures;
26 import com.google.common.util.concurrent.ListenableFuture;
27 import com.google.common.util.concurrent.ThreadFactoryBuilder;
28 import java.util.ArrayList;
29 import java.util.Collection;
30 import java.util.HashSet;
31 import java.util.List;
33 import java.util.Map.Entry;
34 import java.util.Optional;
36 import java.util.concurrent.ExecutorService;
37 import java.util.concurrent.Executors;
38 import java.util.concurrent.ThreadFactory;
39 import javax.annotation.PreDestroy;
40 import javax.inject.Inject;
41 import javax.inject.Singleton;
42 import org.checkerframework.checker.lock.qual.GuardedBy;
43 import org.eclipse.jdt.annotation.NonNull;
44 import org.eclipse.jdt.annotation.NonNullByDefault;
45 import org.opendaylight.mdsal.dom.api.DOMActionAvailabilityExtension;
46 import org.opendaylight.mdsal.dom.api.DOMActionAvailabilityExtension.AvailabilityListener;
47 import org.opendaylight.mdsal.dom.api.DOMActionImplementation;
48 import org.opendaylight.mdsal.dom.api.DOMActionInstance;
49 import org.opendaylight.mdsal.dom.api.DOMActionNotAvailableException;
50 import org.opendaylight.mdsal.dom.api.DOMActionProviderService;
51 import org.opendaylight.mdsal.dom.api.DOMActionResult;
52 import org.opendaylight.mdsal.dom.api.DOMActionService;
53 import org.opendaylight.mdsal.dom.api.DOMActionServiceExtension;
54 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
55 import org.opendaylight.mdsal.dom.api.DOMRpcAvailabilityListener;
56 import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
57 import org.opendaylight.mdsal.dom.api.DOMRpcImplementation;
58 import org.opendaylight.mdsal.dom.api.DOMRpcImplementationNotAvailableException;
59 import org.opendaylight.mdsal.dom.api.DOMRpcImplementationRegistration;
60 import org.opendaylight.mdsal.dom.api.DOMRpcProviderService;
61 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
62 import org.opendaylight.mdsal.dom.api.DOMRpcService;
63 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
64 import org.opendaylight.mdsal.dom.spi.AbstractDOMRpcImplementationRegistration;
65 import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
66 import org.opendaylight.yangtools.concepts.AbstractObjectRegistration;
67 import org.opendaylight.yangtools.concepts.AbstractRegistration;
68 import org.opendaylight.yangtools.concepts.ListenerRegistration;
69 import org.opendaylight.yangtools.concepts.ObjectRegistration;
70 import org.opendaylight.yangtools.concepts.Registration;
71 import org.opendaylight.yangtools.yang.common.QName;
72 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
73 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
74 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
75 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
76 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
77 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContextListener;
78 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
79 import org.osgi.service.component.annotations.Activate;
80 import org.osgi.service.component.annotations.Component;
81 import org.osgi.service.component.annotations.Deactivate;
82 import org.osgi.service.component.annotations.Reference;
83 import org.osgi.service.component.annotations.RequireServiceComponentRuntime;
84 import org.slf4j.Logger;
85 import org.slf4j.LoggerFactory;
88 @Component(immediate = true, service = DOMRpcRouterServices.class)
89 @RequireServiceComponentRuntime
90 public final class DOMRpcRouter extends AbstractRegistration
91 implements DOMRpcRouterServices, EffectiveModelContextListener {
92 private static final Logger LOG = LoggerFactory.getLogger(DOMRpcRouter.class);
93 private static final ThreadFactory THREAD_FACTORY = new ThreadFactoryBuilder().setNameFormat(
94 "DOMRpcRouter-listener-%s").setDaemon(true).build();
96 private final ExecutorService listenerNotifier = Executors.newSingleThreadExecutor(THREAD_FACTORY);
97 private final @NonNull DOMActionProviderService actionProviderService = new ActionProviderServiceFacade();
98 private final @NonNull DOMActionService actionService = new ActionServiceFacade();
99 private final @NonNull DOMRpcProviderService rpcProviderService = new RpcProviderServiceFacade();
100 private final @NonNull DOMRpcService rpcService = new RpcServiceFacade();
103 private ImmutableList<RegImpl<?>> listeners = ImmutableList.of();
106 private ImmutableList<ActionRegistration<?>> actionListeners = ImmutableList.of();
108 private volatile DOMRpcRoutingTable routingTable = DOMRpcRoutingTable.EMPTY;
110 private volatile DOMActionRoutingTable actionRoutingTable = DOMActionRoutingTable.EMPTY;
112 private Registration listenerRegistration;
116 // FIXME: 9.0.0: make this constructor package-private
117 public DOMRpcRouter() {
123 public DOMRpcRouter(@Reference final DOMSchemaService schemaService) {
124 listenerRegistration = schemaService.registerSchemaContextListener(this);
125 LOG.info("DOM RPC/Action router started");
128 @Deprecated(forRemoval = true)
129 public static DOMRpcRouter newInstance(final DOMSchemaService schemaService) {
130 return new DOMRpcRouter(schemaService);
135 public void shutdown() {
140 public DOMActionService getActionService() {
141 return actionService;
145 public DOMActionProviderService getActionProviderService() {
146 return actionProviderService;
150 public DOMRpcService getRpcService() {
155 public DOMRpcProviderService getRpcProviderService() {
156 return rpcProviderService;
159 private synchronized void removeRpcImplementation(final DOMRpcImplementation implementation,
160 final Set<DOMRpcIdentifier> rpcs) {
161 final DOMRpcRoutingTable oldTable = routingTable;
162 final DOMRpcRoutingTable newTable = (DOMRpcRoutingTable) oldTable.remove(implementation, rpcs);
163 routingTable = newTable;
165 listenerNotifier.execute(() -> notifyRemoved(newTable, implementation));
168 private synchronized void removeRpcImplementations(final Map<DOMRpcIdentifier, DOMRpcImplementation> map) {
169 final DOMRpcRoutingTable oldTable = routingTable;
170 final DOMRpcRoutingTable newTable = (DOMRpcRoutingTable) oldTable.removeAll(map);
171 routingTable = newTable;
173 listenerNotifier.execute(() -> notifyRemoved(newTable, map.values()));
176 private synchronized void removeActionImplementation(final DOMActionImplementation implementation,
177 final Set<DOMActionInstance> actions) {
178 final DOMActionRoutingTable oldTable = actionRoutingTable;
179 final DOMActionRoutingTable newTable = (DOMActionRoutingTable) oldTable.remove(implementation, actions);
180 actionRoutingTable = newTable;
182 listenerNotifier.execute(() -> notifyActionChanged(newTable, implementation));
185 private synchronized void removeListener(final ListenerRegistration<? extends DOMRpcAvailabilityListener> reg) {
186 listeners = ImmutableList.copyOf(Collections2.filter(listeners, input -> !reg.equals(input)));
189 private synchronized void removeActionListener(final ListenerRegistration<? extends AvailabilityListener> reg) {
190 actionListeners = ImmutableList.copyOf(Collections2.filter(actionListeners, input -> !reg.equals(input)));
193 private synchronized void notifyAdded(final DOMRpcRoutingTable newTable, final DOMRpcImplementation impl) {
194 for (RegImpl<?> l : listeners) {
195 l.addRpc(newTable, impl);
199 private synchronized void notifyAdded(final DOMRpcRoutingTable newTable,
200 final Collection<? extends DOMRpcImplementation> impls) {
201 for (RegImpl<?> l : listeners) {
202 for (DOMRpcImplementation impl : impls) {
203 l.addRpc(newTable, impl);
208 private synchronized void notifyRemoved(final DOMRpcRoutingTable newTable, final DOMRpcImplementation impl) {
209 for (RegImpl<?> l : listeners) {
210 l.removeRpc(newTable, impl);
214 private synchronized void notifyRemoved(final DOMRpcRoutingTable newTable,
215 final Collection<? extends DOMRpcImplementation> impls) {
216 for (RegImpl<?> l : listeners) {
217 for (DOMRpcImplementation impl : impls) {
218 l.removeRpc(newTable, impl);
223 private synchronized void notifyActionChanged(final DOMActionRoutingTable newTable,
224 final DOMActionImplementation impl) {
225 for (ActionRegistration<?> l : actionListeners) {
226 l.actionChanged(newTable, impl);
231 public synchronized void onModelContextUpdated(final EffectiveModelContext newModelContext) {
232 final DOMRpcRoutingTable oldTable = routingTable;
233 final DOMRpcRoutingTable newTable = (DOMRpcRoutingTable) oldTable.setSchemaContext(newModelContext);
234 routingTable = newTable;
236 final DOMActionRoutingTable oldActionTable = actionRoutingTable;
237 final DOMActionRoutingTable newActionTable =
238 (DOMActionRoutingTable) oldActionTable.setSchemaContext(newModelContext);
239 actionRoutingTable = newActionTable;
243 protected void removeRegistration() {
244 if (listenerRegistration != null) {
245 listenerRegistration.close();
246 listenerRegistration = null;
248 listenerNotifier.shutdown();
249 LOG.info("DOM RPC/Action router stopped");
253 synchronized List<?> listeners() {
258 synchronized List<?> actionListeners() {
259 return actionListeners;
263 DOMRpcRoutingTable routingTable() {
267 private static final class RegImpl<T extends DOMRpcAvailabilityListener> extends AbstractListenerRegistration<T> {
268 private Map<QName, Set<YangInstanceIdentifier>> prevRpcs;
269 private DOMRpcRouter router;
271 RegImpl(final DOMRpcRouter router, final T listener, final Map<QName, Set<YangInstanceIdentifier>> rpcs) {
273 this.router = requireNonNull(router);
274 this.prevRpcs = requireNonNull(rpcs);
278 protected void removeRegistration() {
279 router.removeListener(this);
283 void initialTable() {
284 final List<DOMRpcIdentifier> added = new ArrayList<>();
285 for (Entry<QName, Set<YangInstanceIdentifier>> e : prevRpcs.entrySet()) {
286 added.addAll(Collections2.transform(e.getValue(), i -> DOMRpcIdentifier.create(e.getKey(), i)));
288 if (!added.isEmpty()) {
289 getInstance().onRpcAvailable(added);
293 void addRpc(final DOMRpcRoutingTable newTable, final DOMRpcImplementation impl) {
294 final T l = getInstance();
295 if (!l.acceptsImplementation(impl)) {
299 final Map<QName, Set<YangInstanceIdentifier>> rpcs = verifyNotNull(newTable.getOperations(l));
300 final MapDifference<QName, Set<YangInstanceIdentifier>> diff = Maps.difference(prevRpcs, rpcs);
302 final List<DOMRpcIdentifier> added = new ArrayList<>();
303 for (Entry<QName, Set<YangInstanceIdentifier>> e : diff.entriesOnlyOnRight().entrySet()) {
304 added.addAll(Collections2.transform(e.getValue(), i -> DOMRpcIdentifier.create(e.getKey(), i)));
306 for (Entry<QName, ValueDifference<Set<YangInstanceIdentifier>>> e : diff.entriesDiffering().entrySet()) {
307 for (YangInstanceIdentifier i : Sets.difference(e.getValue().rightValue(), e.getValue().leftValue())) {
308 added.add(DOMRpcIdentifier.create(e.getKey(), i));
313 if (!added.isEmpty()) {
314 l.onRpcAvailable(added);
318 void removeRpc(final DOMRpcRoutingTable newTable, final DOMRpcImplementation impl) {
319 final T l = getInstance();
320 if (!l.acceptsImplementation(impl)) {
324 final Map<QName, Set<YangInstanceIdentifier>> rpcs = verifyNotNull(newTable.getOperations(l));
325 final MapDifference<QName, Set<YangInstanceIdentifier>> diff = Maps.difference(prevRpcs, rpcs);
327 final List<DOMRpcIdentifier> removed = new ArrayList<>();
328 for (Entry<QName, Set<YangInstanceIdentifier>> e : diff.entriesOnlyOnLeft().entrySet()) {
329 removed.addAll(Collections2.transform(e.getValue(), i -> DOMRpcIdentifier.create(e.getKey(), i)));
331 for (Entry<QName, ValueDifference<Set<YangInstanceIdentifier>>> e : diff.entriesDiffering().entrySet()) {
332 for (YangInstanceIdentifier i : Sets.difference(e.getValue().leftValue(), e.getValue().rightValue())) {
333 removed.add(DOMRpcIdentifier.create(e.getKey(), i));
338 if (!removed.isEmpty()) {
339 l.onRpcUnavailable(removed);
344 private static final class ActionRegistration<T extends AvailabilityListener>
345 extends AbstractListenerRegistration<T> {
347 private Map<Absolute, Set<DOMDataTreeIdentifier>> prevActions;
348 private DOMRpcRouter router;
350 ActionRegistration(final DOMRpcRouter router, final T listener,
351 final Map<Absolute, Set<DOMDataTreeIdentifier>> actions) {
353 this.router = requireNonNull(router);
354 this.prevActions = requireNonNull(actions);
358 protected void removeRegistration() {
359 router.removeActionListener(this);
363 void initialTable() {
364 final List<DOMActionInstance> added = new ArrayList<>();
365 for (Entry<Absolute, Set<DOMDataTreeIdentifier>> e : prevActions.entrySet()) {
366 added.addAll(Collections2.transform(e.getValue(), i -> DOMActionInstance.of(e.getKey(), i)));
368 if (!added.isEmpty()) {
369 getInstance().onActionsChanged(ImmutableSet.of(), ImmutableSet.copyOf(added));
373 void actionChanged(final DOMActionRoutingTable newTable, final DOMActionImplementation impl) {
374 final T l = getInstance();
375 if (!l.acceptsImplementation(impl)) {
379 final Map<Absolute, Set<DOMDataTreeIdentifier>> actions = verifyNotNull(newTable.getOperations(l));
380 final MapDifference<Absolute, Set<DOMDataTreeIdentifier>> diff = Maps.difference(prevActions, actions);
382 final Set<DOMActionInstance> removed = new HashSet<>();
383 final Set<DOMActionInstance> added = new HashSet<>();
385 for (Entry<Absolute, Set<DOMDataTreeIdentifier>> e : diff.entriesOnlyOnLeft().entrySet()) {
386 removed.addAll(Collections2.transform(e.getValue(), i -> DOMActionInstance.of(e.getKey(), i)));
389 for (Entry<Absolute, Set<DOMDataTreeIdentifier>> e : diff.entriesOnlyOnRight().entrySet()) {
390 added.addAll(Collections2.transform(e.getValue(), i -> DOMActionInstance.of(e.getKey(), i)));
393 for (Entry<Absolute, ValueDifference<Set<DOMDataTreeIdentifier>>> e : diff.entriesDiffering().entrySet()) {
394 for (DOMDataTreeIdentifier i : Sets.difference(e.getValue().leftValue(), e.getValue().rightValue())) {
395 removed.add(DOMActionInstance.of(e.getKey(), i));
398 for (DOMDataTreeIdentifier i : Sets.difference(e.getValue().rightValue(), e.getValue().leftValue())) {
399 added.add(DOMActionInstance.of(e.getKey(), i));
403 prevActions = actions;
404 if (!removed.isEmpty() || !added.isEmpty()) {
405 l.onActionsChanged(removed, added);
411 private final class ActionAvailabilityFacade implements DOMActionAvailabilityExtension {
413 public <T extends AvailabilityListener> ListenerRegistration<T> registerAvailabilityListener(final T listener) {
414 synchronized (DOMRpcRouter.this) {
415 final ActionRegistration<T> ret = new ActionRegistration<>(DOMRpcRouter.this, listener,
416 actionRoutingTable.getOperations(listener));
417 actionListeners = ImmutableList.<ActionRegistration<?>>builder()
418 .addAll(actionListeners)
422 listenerNotifier.execute(ret::initialTable);
429 private final class ActionServiceFacade implements DOMActionService {
430 private final ClassToInstanceMap<DOMActionServiceExtension> extensions = ImmutableClassToInstanceMap.of(
431 DOMActionAvailabilityExtension.class, new ActionAvailabilityFacade());
434 public ClassToInstanceMap<DOMActionServiceExtension> getExtensions() {
439 public ListenableFuture<? extends DOMActionResult> invokeAction(final Absolute type,
440 final DOMDataTreeIdentifier path, final ContainerNode input) {
441 final YangInstanceIdentifier pathRoot = path.getRootIdentifier();
442 checkArgument(!pathRoot.isEmpty(), "Action path must not be empty");
444 final DOMActionRoutingTableEntry entry = (DOMActionRoutingTableEntry) actionRoutingTable.getEntry(type);
445 return entry != null ? OperationInvocation.invoke(entry, type, path, requireNonNull(input))
446 : Futures.immediateFailedFuture(
447 new DOMActionNotAvailableException("No implementation of Action %s available", type));
452 private final class ActionProviderServiceFacade implements DOMActionProviderService {
454 public <T extends DOMActionImplementation> ObjectRegistration<T> registerActionImplementation(
455 final T implementation, final Set<DOMActionInstance> instances) {
457 synchronized (DOMRpcRouter.this) {
458 final DOMActionRoutingTable oldTable = actionRoutingTable;
459 final DOMActionRoutingTable newTable = (DOMActionRoutingTable) oldTable.add(implementation, instances);
460 actionRoutingTable = newTable;
462 listenerNotifier.execute(() -> notifyActionChanged(newTable, implementation));
465 return new AbstractObjectRegistration<>(implementation) {
467 protected void removeRegistration() {
468 removeActionImplementation(getInstance(), instances);
474 private final class RpcServiceFacade implements DOMRpcService {
476 public ListenableFuture<? extends DOMRpcResult> invokeRpc(final QName type, final NormalizedNode input) {
477 final AbstractDOMRpcRoutingTableEntry entry = (AbstractDOMRpcRoutingTableEntry) routingTable.getEntry(type);
479 return Futures.immediateFailedFuture(
480 new DOMRpcImplementationNotAvailableException("No implementation of RPC %s available", type));
483 return OperationInvocation.invoke(entry, requireNonNull(input));
487 public <T extends DOMRpcAvailabilityListener> ListenerRegistration<T> registerRpcListener(final T listener) {
488 synchronized (DOMRpcRouter.this) {
489 final RegImpl<T> ret = new RegImpl<>(DOMRpcRouter.this, listener, routingTable.getOperations(listener));
490 listeners = ImmutableList.<RegImpl<?>>builder().addAll(listeners).add(ret).build();
492 listenerNotifier.execute(ret::initialTable);
498 private final class RpcProviderServiceFacade implements DOMRpcProviderService {
500 public <T extends DOMRpcImplementation> DOMRpcImplementationRegistration<T> registerRpcImplementation(
501 final T implementation, final DOMRpcIdentifier... rpcs) {
502 return registerRpcImplementation(implementation, ImmutableSet.copyOf(rpcs));
506 public <T extends DOMRpcImplementation> DOMRpcImplementationRegistration<T> registerRpcImplementation(
507 final T implementation, final Set<DOMRpcIdentifier> rpcs) {
509 synchronized (DOMRpcRouter.this) {
510 final DOMRpcRoutingTable oldTable = routingTable;
511 final DOMRpcRoutingTable newTable = (DOMRpcRoutingTable) oldTable.add(implementation, rpcs);
512 routingTable = newTable;
514 listenerNotifier.execute(() -> notifyAdded(newTable, implementation));
517 return new AbstractDOMRpcImplementationRegistration<>(implementation) {
519 protected void removeRegistration() {
520 removeRpcImplementation(getInstance(), rpcs);
526 public org.opendaylight.yangtools.concepts.Registration registerRpcImplementations(
527 final Map<DOMRpcIdentifier, DOMRpcImplementation> map) {
528 final ImmutableMap<DOMRpcIdentifier, DOMRpcImplementation> defensive = ImmutableMap.copyOf(map);
529 checkArgument(!map.isEmpty());
531 synchronized (DOMRpcRouter.this) {
532 final DOMRpcRoutingTable oldTable = routingTable;
533 final DOMRpcRoutingTable newTable = (DOMRpcRoutingTable) oldTable.addAll(defensive);
534 routingTable = newTable;
536 listenerNotifier.execute(() -> notifyAdded(newTable, defensive.values()));
539 return new AbstractRegistration() {
541 protected void removeRegistration() {
542 removeRpcImplementations(defensive);
548 static final class OperationInvocation {
549 private static final Logger LOG = LoggerFactory.getLogger(OperationInvocation.class);
551 static ListenableFuture<? extends DOMActionResult> invoke(final DOMActionRoutingTableEntry entry,
552 final Absolute type, final DOMDataTreeIdentifier path, final ContainerNode input) {
553 List<DOMActionImplementation> impls = entry.getImplementations(path);
555 impls = entry.getImplementations(
556 new DOMDataTreeIdentifier(path.getDatastoreType(), YangInstanceIdentifier.empty()));
558 return Futures.immediateFailedFuture(new DOMActionNotAvailableException(
559 "No implementation of Action %s available for %s", type, path));
563 return impls.get(0).invokeAction(type, path, input);
566 static ListenableFuture<? extends DOMRpcResult> invoke(final AbstractDOMRpcRoutingTableEntry entry,
567 final NormalizedNode input) {
568 if (entry instanceof UnknownDOMRpcRoutingTableEntry) {
569 return Futures.immediateFailedFuture(
570 new DOMRpcImplementationNotAvailableException("%s is not resolved to an RPC", entry.getType()));
571 } else if (entry instanceof RoutedDOMRpcRoutingTableEntry routed) {
572 return invokeRoutedRpc(routed, input);
573 } else if (entry instanceof GlobalDOMRpcRoutingTableEntry global) {
574 return invokeGlobalRpc(global, input);
577 return Futures.immediateFailedFuture(
578 new DOMRpcImplementationNotAvailableException("Unsupported RPC entry."));
581 private static ListenableFuture<? extends DOMRpcResult> invokeRoutedRpc(
582 final RoutedDOMRpcRoutingTableEntry entry, final NormalizedNode input) {
583 final Optional<NormalizedNode> maybeKey = NormalizedNodes.findNode(input,
584 entry.getRpcId().getContextReference());
586 // Routing key is present, attempt to deliver as a routed RPC
587 if (maybeKey.isPresent()) {
588 final NormalizedNode key = maybeKey.get();
589 final Object value = key.body();
590 if (value instanceof YangInstanceIdentifier iid) {
591 // Find a DOMRpcImplementation for a specific iid
592 final List<DOMRpcImplementation> specificImpls = entry.getImplementations(iid);
593 if (specificImpls != null) {
594 return specificImpls.get(0)
595 .invokeRpc(DOMRpcIdentifier.create(entry.getType(), iid), input);
598 LOG.debug("No implementation for context {} found will now look for wildcard id", iid);
600 // Find a DOMRpcImplementation for a wild card. Usually remote-rpc-connector would register an
601 // implementation this way
602 final List<DOMRpcImplementation> mayBeRemoteImpls =
603 entry.getImplementations(YangInstanceIdentifier.empty());
605 if (mayBeRemoteImpls != null) {
606 return mayBeRemoteImpls.get(0)
607 .invokeRpc(DOMRpcIdentifier.create(entry.getType(), iid), input);
611 LOG.warn("Ignoring wrong context value {}", value);
615 final List<DOMRpcImplementation> impls = entry.getImplementations(null);
617 return impls.get(0).invokeRpc(entry.getRpcId(), input);
620 return Futures.immediateFailedFuture(
621 new DOMRpcImplementationNotAvailableException("No implementation of RPC %s available",
625 private static ListenableFuture<? extends DOMRpcResult> invokeGlobalRpc(
626 final GlobalDOMRpcRoutingTableEntry entry, final NormalizedNode input) {
627 return entry.getImplementations(YangInstanceIdentifier.empty()).get(0).invokeRpc(entry.getRpcId(), input);