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 package org.opendaylight.openflowplugin.impl.translator;
   9
  10 import java.util.Optional;
  11 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  12 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  13 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionDatapathIdConvertorData;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemoved;
  16 import org.opendaylight.yangtools.yang.common.Uint8;
  17
  18 /**
  19  * Translate {@link FlowRemoved} message to FlowRemoved notification (omit instructions).
  20  */
  21 public class FlowRemovedV10Translator extends FlowRemovedTranslator {
  22
  23     public FlowRemovedV10Translator(final ConvertorExecutor convertorExecutor) {
  24         super(convertorExecutor);
  25     }
  26
  27     @Override
  28     protected MatchBuilder translateMatch(final FlowRemoved flowRemoved, final DeviceInfo deviceInfo) {
  29         final VersionDatapathIdConvertorData datapathIdConvertorData =
  30                 new VersionDatapathIdConvertorData(deviceInfo.getVersion());
  31         datapathIdConvertorData.setDatapathId(deviceInfo.getDatapathId());
  32
  33         final Optional<MatchBuilder> matchBuilderOptional = getConvertorExecutor().convert(
  34                 flowRemoved.getMatchV10(),
  35                 datapathIdConvertorData);
  36
  37         return matchBuilderOptional.orElse(new MatchBuilder());
  38     }
  39
  40     /**
  41      * Always returns zero because OF10 FLOW_REMOVED doesn't contain table ID.
  42      *
  43      * @param flowRemoved  FLOW_REMOVED message.
  44      * @return  Zero.
  45      */
  46     @Override
  47     protected Uint8 translateTableId(final FlowRemoved flowRemoved) {
  48         return Uint8.ZERO;
  49     }
  50 }