openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/OFJResult2RequestCtxFuture.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
   9 package org.opendaylight.openflowplugin.impl.services;
  10
  11 import java.util.concurrent.ExecutionException;
  12 import java.util.concurrent.Future;
  13 import java.util.concurrent.TimeUnit;
  14 import java.util.concurrent.TimeoutException;
  15 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  17 import org.opendaylight.yangtools.yang.common.RpcError;
  18 import org.opendaylight.yangtools.yang.common.RpcResult;
  19 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 /**
  24  * Created by Martin Bobak &lt;mbobak@cisco.com&gt; on 26.3.2015.
  25  */
  26 public class OFJResult2RequestCtxFuture<T> {
  27
  28     private static final Logger LOG = LoggerFactory.getLogger(OFJResult2RequestCtxFuture.class);
  29     private final RequestContext<T> requestContext;
  30     private final DeviceContext deviceContext;
  31
  32     public OFJResult2RequestCtxFuture(final RequestContext<T> requestContext, final DeviceContext deviceContext) {
  33         this.requestContext = requestContext;
  34         this.deviceContext = deviceContext;
  35     }
  36
  37     public <F> void processResultFromOfJava(final Future<RpcResult<F>> futureResultFromOfLib) {
  38         try {
  39             final RpcResult<F> rpcResult = futureResultFromOfLib.get(requestContext.getWaitTimeout(), TimeUnit.MILLISECONDS);
  40             if (!rpcResult.isSuccessful()) {
  41                 requestContext.getFuture().set(
  42                         RpcResultBuilder.<T>failed().withRpcErrors(rpcResult.getErrors()).build());
  43                 RequestContextUtil.closeRequstContext(requestContext);
  44             } else {
  45                 LOG.trace("Hooking xid {} to device context.", requestContext.getXid().getValue());
  46                 deviceContext.hookRequestCtx(requestContext.getXid(), requestContext);
  47             }
  48         } catch (InterruptedException | ExecutionException | TimeoutException e) {
  49             requestContext.getFuture().set(
  50                     RpcResultBuilder
  51                             .<T>failed()
  52                             .withError(RpcError.ErrorType.APPLICATION, "",
  53                                     "Flow modification on device wasn't successfull.").build());
  54             RequestContextUtil.closeRequstContext(requestContext);
  55         } catch (final Exception e) {
  56             requestContext.getFuture().set(
  57                     RpcResultBuilder.<T>failed()
  58                             .withError(RpcError.ErrorType.APPLICATION, "", "Flow translation to OF JAVA failed.")
  59                             .build());
  60             RequestContextUtil.closeRequstContext(requestContext);
  61         }
  62     }
  63 }