openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/translator/FlowRemovedV10Translator.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.translator;
  10
  11 import java.util.Optional;
  12 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  13 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorManager;
  14 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionDatapathIdConvertorData;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemoved;
  17
  18 /**
  19  * translate {@link FlowRemoved} message to FlowRemoved notification (omit instructions)
  20  */
  21 public class FlowRemovedV10Translator extends FlowRemovedTranslator {
  22
  23     @Override
  24     protected MatchBuilder translateMatch(FlowRemoved flowRemoved, DeviceInfo deviceInfo) {
  25         final VersionDatapathIdConvertorData datapathIdConvertorData = new VersionDatapathIdConvertorData(deviceInfo.getVersion());
  26         datapathIdConvertorData.setDatapathId(deviceInfo.getDatapathId());
  27
  28         final Optional<MatchBuilder> matchBuilderOptional = ConvertorManager.getInstance().convert(
  29                 flowRemoved.getMatchV10(),
  30                 datapathIdConvertorData);
  31
  32         return matchBuilderOptional.orElse(new MatchBuilder());
  33     }
  34
  35     /**
  36      * Always returns zero because OF10 FLOW_REMOVED doesn't contain table ID.
  37      *
  38      * @param flowRemoved  FLOW_REMOVED message.
  39      * @return  Zero.
  40      */
  41     @Override
  42     protected Short translateTableId(FlowRemoved flowRemoved) {
  43         return (short) 0;
  44     }
  45 }