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 static java.util.Objects.requireNonNull;
12 import com.google.common.cache.Cache;
13 import com.google.common.cache.CacheBuilder;
14 import com.google.common.util.concurrent.CheckedFuture;
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 org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
22 import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
23 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
24 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
25 import org.opendaylight.mdsal.binding.dom.adapter.BindingDataAware;
26 import org.opendaylight.mdsal.binding.dom.adapter.invoke.RpcServiceInvoker;
27 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
28 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
29 import org.opendaylight.yangtools.yang.binding.DataObject;
30 import org.opendaylight.yangtools.yang.binding.RpcService;
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;
38 public class BindingDOMRpcImplementationAdapter implements DOMRpcImplementation {
40 private static final Cache<Class<?>, RpcServiceInvoker> SERVICE_INVOKERS =
41 CacheBuilder.newBuilder().weakKeys().build();
43 private final BindingNormalizedNodeSerializer codec;
44 private final RpcServiceInvoker invoker;
45 private final RpcService delegate;
46 private final QName inputQname;
48 <T extends RpcService> BindingDOMRpcImplementationAdapter(final BindingNormalizedNodeSerializer codec,
49 final Class<T> type, final Map<SchemaPath, Method> localNameToMethod, final T delegate) {
51 this.invoker = SERVICE_INVOKERS.get(type, () -> {
52 final Map<QName, Method> map = new HashMap<>();
53 for (Entry<SchemaPath, Method> e : localNameToMethod.entrySet()) {
54 map.put(e.getKey().getLastComponent(), e.getValue());
57 return RpcServiceInvoker.from(map);
59 } catch (ExecutionException e) {
60 throw new IllegalArgumentException("Failed to create invokers for type " + type, e);
63 this.codec = requireNonNull(codec);
64 this.delegate = requireNonNull(delegate);
65 inputQname = QName.create(BindingReflections.getQNameModule(type), "input").intern();
69 public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final DOMRpcIdentifier rpc,
70 final NormalizedNode<?, ?> input) {
71 final SchemaPath schemaPath = rpc.getType();
72 final DataObject bindingInput = input != null ? deserialize(rpc.getType(), input) : null;
73 final ListenableFuture<RpcResult<?>> bindingResult = invoke(schemaPath, bindingInput);
74 return transformResult(bindingResult);
77 private DataObject deserialize(final SchemaPath rpcPath, final NormalizedNode<?, ?> input) {
78 if (input instanceof BindingDataAware) {
79 return ((BindingDataAware) input).bindingData();
81 final SchemaPath inputSchemaPath = rpcPath.createChild(inputQname);
82 return codec.fromNormalizedNodeRpcData(inputSchemaPath, (ContainerNode) input);
85 private ListenableFuture<RpcResult<?>> invoke(final SchemaPath schemaPath, final DataObject input) {
86 return invoker.invokeRpc(delegate, schemaPath.getLastComponent(), input);
89 private CheckedFuture<DOMRpcResult, DOMRpcException> transformResult(
90 final ListenableFuture<RpcResult<?>> bindingResult) {
91 return LazyDOMRpcResultFuture.create(codec, bindingResult);