openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/sal/SalEchoServiceImpl.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.services.sal;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  17 import org.opendaylight.openflowplugin.impl.services.EchoService;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SalEchoService;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SendEchoInput;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SendEchoOutput;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.echo.service.rev150305.SendEchoOutputBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoInputBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoOutput;
  24 import org.opendaylight.yangtools.yang.common.RpcResult;
  25 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  26
  27 public final class SalEchoServiceImpl implements SalEchoService {
  28     private final EchoService echoService;
  29
  30     public SalEchoServiceImpl(final RequestContextStack requestContextStack, final DeviceContext deviceContext) {
  31         echoService = new EchoService(requestContextStack, deviceContext);
  32     }
  33
  34     @Override
  35     public ListenableFuture<RpcResult<SendEchoOutput>> sendEcho(final SendEchoInput sendEchoInput) {
  36         final EchoInputBuilder echoInputBld = new EchoInputBuilder()
  37                 .setData(sendEchoInput.getData());
  38         return transform(echoService.handleServiceCall(echoInputBld));
  39     }
  40
  41     private static ListenableFuture<RpcResult<SendEchoOutput>>
  42             transform(final ListenableFuture<RpcResult<EchoOutput>> rpcResultListenableFuture) {
  43         return Futures.transform(rpcResultListenableFuture, input -> {
  44             requireNonNull(input, "echoOutput value is never expected to be NULL");
  45             final RpcResult<SendEchoOutput> rpcOutput;
  46             if (input.isSuccessful()) {
  47                 final SendEchoOutput sendEchoOutput = new SendEchoOutputBuilder()
  48                         .setData(input.getResult().getData())
  49                         .build();
  50                 rpcOutput = RpcResultBuilder.success(sendEchoOutput).build();
  51             } else {
  52                 rpcOutput = RpcResultBuilder.<SendEchoOutput>failed()
  53                         .withRpcErrors(input.getErrors())
  54                         .build();
  55             }
  56             return rpcOutput;
  57         }, MoreExecutors.directExecutor());
  58     }
  59 }