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 static com.google.common.base.Preconditions.checkArgument;
11 import static java.util.Objects.requireNonNull;
12 import static org.opendaylight.mdsal.binding.dom.adapter.StaticConfiguration.ENABLE_CODEC_SHORTCUT;
14 import com.google.common.cache.Cache;
15 import com.google.common.cache.CacheBuilder;
16 import com.google.common.util.concurrent.ListenableFuture;
17 import java.lang.reflect.Method;
19 import java.util.concurrent.ExecutionException;
20 import org.opendaylight.mdsal.binding.dom.adapter.invoke.RpcServiceInvoker;
21 import org.opendaylight.mdsal.binding.dom.codec.api.BindingLazyContainerNode;
22 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
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.yang.binding.DataObject;
27 import org.opendaylight.yangtools.yang.binding.RpcService;
28 import org.opendaylight.yangtools.yang.common.QName;
29 import org.opendaylight.yangtools.yang.common.RpcResult;
30 import org.opendaylight.yangtools.yang.common.YangConstants;
31 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
32 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
34 final class BindingDOMRpcImplementationAdapter implements DOMRpcImplementation {
35 private static final Cache<Class<?>, RpcServiceInvoker> SERVICE_INVOKERS = CacheBuilder.newBuilder().weakKeys()
38 // Default implementations are 0, we need to perform some translation, hence we have a slightly higher cost
39 private static final int COST = 1;
41 private final AdapterContext adapterContext;
42 private final RpcServiceInvoker invoker;
43 private final RpcService delegate;
44 private final QName inputQname;
46 <T extends RpcService> BindingDOMRpcImplementationAdapter(final AdapterContext adapterContext,
47 final Class<T> type, final Map<QName, Method> localNameToMethod, final T delegate) {
49 invoker = SERVICE_INVOKERS.get(type, () -> RpcServiceInvoker.from(localNameToMethod));
50 } catch (ExecutionException e) {
51 throw new IllegalArgumentException("Failed to create invokers for type " + type, e);
54 this.adapterContext = requireNonNull(adapterContext);
55 this.delegate = requireNonNull(delegate);
56 inputQname = YangConstants.operationInputQName(BindingReflections.getQNameModule(type)).intern();
60 public ListenableFuture<DOMRpcResult> invokeRpc(final DOMRpcIdentifier rpc, final ContainerNode input) {
61 final QName rpcType = rpc.getType();
62 final CurrentAdapterSerializer serializer = adapterContext.currentSerializer();
63 final DataObject bindingInput = input != null ? deserialize(serializer, rpcType, input) : null;
64 final ListenableFuture<RpcResult<?>> bindingResult = invoke(rpcType, bindingInput);
65 return LazyDOMRpcResultFuture.create(serializer, bindingResult);
69 public long invocationCost() {
73 private DataObject deserialize(final CurrentAdapterSerializer serializer, final QName rpcType,
74 final ContainerNode input) {
75 if (ENABLE_CODEC_SHORTCUT && input instanceof BindingLazyContainerNode) {
76 return ((BindingLazyContainerNode<?>) input).getDataObject();
79 checkArgument(inputQname.equals(input.getIdentifier().getNodeType()),
80 "Unexpected RPC %s input %s", rpcType, input);
81 return serializer.fromNormalizedNodeRpcData(Absolute.of(rpcType, inputQname), input);
84 private ListenableFuture<RpcResult<?>> invoke(final QName rpcType, final DataObject input) {
85 return invoker.invokeRpc(delegate, rpcType, input);