opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMRpcImplementationAdapter.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.md.sal.binding.impl;
   9
  10 import com.google.common.util.concurrent.CheckedFuture;
  11 import com.google.common.util.concurrent.JdkFutureAdapters;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
  14 import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
  15 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
  16 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
  17 import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
  18 import org.opendaylight.yangtools.yang.binding.DataObject;
  19 import org.opendaylight.yangtools.yang.binding.RpcService;
  20 import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
  21 import org.opendaylight.yangtools.yang.binding.util.RpcServiceInvoker;
  22 import org.opendaylight.yangtools.yang.common.QName;
  23 import org.opendaylight.yangtools.yang.common.QNameModule;
  24 import org.opendaylight.yangtools.yang.common.RpcResult;
  25 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  26 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  27 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  28
  29 public class BindingDOMRpcImplementationAdapter implements DOMRpcImplementation {
  30
  31     private final BindingNormalizedNodeCodecRegistry codec;
  32     private final RpcServiceInvoker invoker;
  33     private final RpcService delegate;
  34     private final QNameModule module;
  35
  36     public <T extends RpcService> BindingDOMRpcImplementationAdapter(final BindingNormalizedNodeCodecRegistry codec, final Class<T> type ,final T delegate) {
  37         this.codec = codec;
  38         this.delegate = delegate;
  39         invoker = RpcServiceInvoker.from(type);
  40         module = BindingReflections.getQNameModule(type);
  41     }
  42
  43     public QNameModule getQNameModule() {
  44         return module;
  45     }
  46
  47     @Override
  48     public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final DOMRpcIdentifier rpc, final NormalizedNode<?, ?> input) {
  49         final SchemaPath schemaPath = rpc.getType();
  50         final DataObject bindingInput = input != null ? deserilialize(rpc.getType(),input) : null;
  51         final ListenableFuture<RpcResult<?>> bindingResult = invoke(schemaPath,bindingInput);
  52         return transformResult(schemaPath,bindingResult);
  53     }
  54
  55     private DataObject deserilialize(final SchemaPath rpcPath, final NormalizedNode<?, ?> input) {
  56         if(input instanceof LazySerializedContainerNode) {
  57             return ((LazySerializedContainerNode) input).bindingData();
  58         }
  59         final SchemaPath inputSchemaPath = rpcPath.createChild(QName.create(module,"input"));
  60         return codec.fromNormalizedNodeRpcData(inputSchemaPath, (ContainerNode) input);
  61     }
  62
  63
  64     private ListenableFuture<RpcResult<?>> invoke(final SchemaPath schemaPath, final DataObject input) {
  65         return JdkFutureAdapters.listenInPoolThread(invoker.invokeRpc(delegate, schemaPath.getLastComponent(), input));
  66     }
  67
  68     private CheckedFuture<DOMRpcResult, DOMRpcException> transformResult(final SchemaPath schemaPath,
  69             final ListenableFuture<RpcResult<?>> bindingResult) {
  70         return LazyDOMRpcResultFuture.create(codec,bindingResult);
  71     }
  72
  73 }