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.binding.dom.adapter;
10 import com.google.common.base.Preconditions;
11 import com.google.common.cache.Cache;
12 import com.google.common.cache.CacheBuilder;
13 import com.google.common.util.concurrent.CheckedFuture;
14 import com.google.common.util.concurrent.JdkFutureAdapters;
15 import com.google.common.util.concurrent.ListenableFuture;
16 import java.lang.reflect.Method;
17 import java.util.HashMap;
19 import java.util.Map.Entry;
20 import java.util.concurrent.ExecutionException;
21 import javax.annotation.Nonnull;
22 import org.opendaylight.mdsal.dom.api.DOMRpcException;
23 import org.opendaylight.mdsal.dom.api.DOMRpcIdentifier;
24 import org.opendaylight.mdsal.dom.api.DOMRpcImplementation;
25 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
26 import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
27 import org.opendaylight.yangtools.yang.binding.DataObject;
28 import org.opendaylight.yangtools.yang.binding.RpcService;
29 import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
30 import org.opendaylight.yangtools.yang.binding.util.RpcServiceInvoker;
31 import org.opendaylight.yangtools.yang.common.QName;
32 import org.opendaylight.yangtools.yang.common.RpcResult;
33 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
34 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
35 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
37 public class BindingDOMRpcImplementationAdapter implements DOMRpcImplementation {
39 private static final Cache<Class<?>, RpcServiceInvoker> SERVICE_INVOKERS
40 = CacheBuilder.newBuilder().weakKeys().build();
41 // Default implementations are 0, we need to perform some translation, hence we have a slightly higher cost
42 private static final int COST = 1;
44 private final BindingNormalizedNodeCodecRegistry codec;
45 private final RpcServiceInvoker invoker;
46 private final RpcService delegate;
47 private final QName inputQname;
49 <T extends RpcService> BindingDOMRpcImplementationAdapter(final BindingNormalizedNodeCodecRegistry codec,
50 final Class<T> type, final Map<SchemaPath, Method> localNameToMethod, final T delegate) {
52 this.invoker = SERVICE_INVOKERS.get(type, () -> {
53 final Map<QName, Method> map = new HashMap<>();
54 for (Entry<SchemaPath, Method> e : localNameToMethod.entrySet()) {
55 map.put(e.getKey().getLastComponent(), e.getValue());
58 return RpcServiceInvoker.from(map);
60 } catch (ExecutionException e) {
61 throw new IllegalArgumentException("Failed to create invokers for type " + type, e);
64 this.codec = Preconditions.checkNotNull(codec);
65 this.delegate = Preconditions.checkNotNull(delegate);
66 inputQname = QName.create(BindingReflections.getQNameModule(type), "input").intern();
71 public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(@Nonnull final DOMRpcIdentifier rpc,
72 final NormalizedNode<?, ?> input) {
74 final SchemaPath schemaPath = rpc.getType();
75 final DataObject bindingInput = input != null ? deserialize(rpc.getType(), input) : null;
76 final ListenableFuture<RpcResult<?>> bindingResult = invoke(schemaPath, bindingInput);
77 return transformResult(bindingResult);
81 public long invocationCost() {
85 private DataObject deserialize(final SchemaPath rpcPath, final NormalizedNode<?, ?> input) {
86 if (input instanceof LazySerializedContainerNode) {
87 return ((LazySerializedContainerNode) input).bindingData();
89 final SchemaPath inputSchemaPath = rpcPath.createChild(inputQname);
90 return codec.fromNormalizedNodeRpcData(inputSchemaPath, (ContainerNode) input);
93 private ListenableFuture<RpcResult<?>> invoke(final SchemaPath schemaPath, final DataObject input) {
94 return JdkFutureAdapters.listenInPoolThread(invoker.invokeRpc(delegate, schemaPath.getLastComponent(), input));
97 private CheckedFuture<DOMRpcResult, DOMRpcException> transformResult(
98 final ListenableFuture<RpcResult<?>> bindingResult) {
99 return LazyDOMRpcResultFuture.create(codec, bindingResult);