openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/translator/FlowRemovedTranslator.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.api.openflow.device.MessageTranslator;
  13 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  14 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionDatapathIdConvertorData;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemovedBuilder;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowCookie;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowRemoved;
  20
  21 /**
  22  * translate {@link FlowRemoved} message to FlowRemoved notification (omit instructions)
  23  */
  24 public class FlowRemovedTranslator implements MessageTranslator<FlowRemoved, org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemoved> {
  25     private final ConvertorExecutor convertorExecutor;
  26
  27     public FlowRemovedTranslator(ConvertorExecutor convertorExecutor) {
  28         this.convertorExecutor = convertorExecutor;
  29     }
  30
  31     protected ConvertorExecutor getConvertorExecutor() {
  32         return convertorExecutor;
  33     }
  34
  35     @Override
  36     public org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowRemoved translate(FlowRemoved input, DeviceInfo deviceInfo, Object connectionDistinguisher) {
  37         FlowRemovedBuilder flowRemovedBld = new FlowRemovedBuilder()
  38                 .setMatch(translateMatch(input, deviceInfo).build())
  39                 .setCookie(new FlowCookie(input.getCookie()))
  40                 .setNode(new NodeRef(deviceInfo.getNodeInstanceIdentifier()))
  41                 .setPriority(input.getPriority())
  42                 .setTableId(translateTableId(input));
  43
  44         return flowRemovedBld.build();
  45     }
  46
  47     protected MatchBuilder translateMatch(FlowRemoved flowRemoved, DeviceInfo deviceInfo) {
  48         final VersionDatapathIdConvertorData datapathIdConvertorData = new VersionDatapathIdConvertorData(deviceInfo.getVersion());
  49         datapathIdConvertorData.setDatapathId(deviceInfo.getDatapathId());
  50
  51         final Optional<MatchBuilder> matchBuilderOptional = getConvertorExecutor().convert(
  52                 flowRemoved.getMatch(),
  53                 datapathIdConvertorData);
  54
  55         return matchBuilderOptional.orElse(new MatchBuilder());
  56     }
  57
  58     /**
  59      * Translate the table ID in the FLOW_REMOVED message to SAL table ID.
  60      *
  61      * @param flowRemoved  FLOW_REMOVED message.
  62      * @return  SAL table ID.
  63      */
  64     protected Short translateTableId(FlowRemoved flowRemoved) {
  65         return flowRemoved.getTableId().getValue().shortValue();
  66     }
  67 }