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.controller.md.sal.binding.impl;
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.Callable;
21 import java.util.concurrent.ExecutionException;
22 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
23 import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
24 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
25 import org.opendaylight.controller.md.sal.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 = CacheBuilder.newBuilder().weakKeys().build();
41 private final BindingNormalizedNodeCodecRegistry codec;
42 private final RpcServiceInvoker invoker;
43 private final RpcService delegate;
44 private final QName inputQname;
46 public <T extends RpcService> BindingDOMRpcImplementationAdapter(final BindingNormalizedNodeCodecRegistry codec, final Class<T> type, final Map<SchemaPath, Method> localNameToMethod, final T delegate) {
48 this.invoker = SERVICE_INVOKERS.get(type, new Callable<RpcServiceInvoker>() {
50 public RpcServiceInvoker call() {
51 final Map<QName, Method> map = new HashMap<>();
52 for (Entry<SchemaPath, Method> e : localNameToMethod.entrySet()) {
53 map.put(e.getKey().getLastComponent(), e.getValue());
56 return RpcServiceInvoker.from(map);
59 } catch (ExecutionException e) {
60 throw new IllegalArgumentException("Failed to create invokers for type " + type, e);
63 this.codec = Preconditions.checkNotNull(codec);
64 this.delegate = Preconditions.checkNotNull(delegate);
65 inputQname = QName.cachedReference(QName.create(BindingReflections.getQNameModule(type), "input"));
69 public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final DOMRpcIdentifier rpc, final NormalizedNode<?, ?> input) {
70 final SchemaPath schemaPath = rpc.getType();
71 final DataObject bindingInput = input != null ? deserilialize(rpc.getType(),input) : null;
72 final ListenableFuture<RpcResult<?>> bindingResult = invoke(schemaPath,bindingInput);
73 return transformResult(schemaPath,bindingResult);
76 private DataObject deserilialize(final SchemaPath rpcPath, final NormalizedNode<?, ?> input) {
77 if (input instanceof LazySerializedContainerNode) {
78 return ((LazySerializedContainerNode) input).bindingData();
80 final SchemaPath inputSchemaPath = rpcPath.createChild(inputQname);
81 return codec.fromNormalizedNodeRpcData(inputSchemaPath, (ContainerNode) input);
84 private ListenableFuture<RpcResult<?>> invoke(final SchemaPath schemaPath, final DataObject input) {
85 return JdkFutureAdapters.listenInPoolThread(invoker.invokeRpc(delegate, schemaPath.getLastComponent(), input));
88 private CheckedFuture<DOMRpcResult, DOMRpcException> transformResult(final SchemaPath schemaPath,
89 final ListenableFuture<RpcResult<?>> bindingResult) {
90 return LazyDOMRpcResultFuture.create(codec, bindingResult);