openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/rpc/RequestContextImpl.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.openflowplugin.impl.rpc;
   9
  10 import com.google.common.util.concurrent.SettableFuture;
  11 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  12 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcContext;
  13 import org.opendaylight.yangtools.yang.binding.DataObject;
  14 import org.opendaylight.yangtools.yang.common.RpcResult;
  15
  16 /**
  17  * @author joe
  18  */
  19 public class RequestContextImpl<T extends DataObject> implements RequestContext<T> {
  20
  21     private final RpcContext rpcContext;
  22     private SettableFuture<RpcResult<T>> rpcResultFuture;
  23
  24     public RequestContextImpl(RpcContext rpcContext) {
  25         this.rpcContext = rpcContext;
  26     }
  27
  28     @Override
  29     public void close() {
  30         rpcContext.forgetRequestContext(this);
  31     }
  32
  33     @Override
  34     public SettableFuture<RpcResult<T>> getFuture() {
  35         if (null == rpcResultFuture) {
  36             rpcResultFuture = SettableFuture.create();
  37         }
  38         return rpcResultFuture;
  39     }
  40 }