AbstractMultipartService.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;
   9
  10 import com.google.common.util.concurrent.FutureCallback;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import java.util.List;
  13 import java.util.function.Function;
  14 import org.eclipse.jdt.annotation.NonNull;
  15 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  17 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  18 import org.opendaylight.openflowplugin.impl.services.multilayer.MultiLayerMultipartRequestCallback;
  19 import org.opendaylight.openflowplugin.impl.services.singlelayer.SingleLayerMultipartRequestCallback;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.MultipartReply;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  22 import org.opendaylight.yangtools.yang.common.RpcResult;
  23
  24 public abstract class AbstractMultipartService<I, T extends OfHeader> extends AbstractService<I, List<T>> {
  25
  26     private static final Function<OfHeader, Boolean> ALTERNATE_IS_COMPLETE = message ->
  27         !(message instanceof MultipartReply) || !((MultipartReply) message).isRequestMore();
  28
  29     protected AbstractMultipartService(final RequestContextStack requestContextStack,
  30                                        final DeviceContext deviceContext) {
  31         super(requestContextStack, deviceContext);
  32     }
  33
  34     @Override
  35     protected FutureCallback<OfHeader> createCallback(RequestContext<List<T>> context, Class<?> requestType) {
  36         return canUseSingleLayerSerialization()
  37             ? new SingleLayerMultipartRequestCallback<>(context, requestType, getDeviceContext(), getEventIdentifier())
  38             : new MultiLayerMultipartRequestCallback<>(context, requestType, getDeviceContext(), getEventIdentifier());
  39     }
  40
  41     @Override
  42     public final ListenableFuture<RpcResult<List<T>>> handleServiceCall(@NonNull final I input) {
  43         return canUseSingleLayerSerialization()
  44             ? super.handleServiceCall(input, ALTERNATE_IS_COMPLETE)
  45             : super.handleServiceCall(input);
  46     }
  47
  48 }