openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/statistics/services/compatibility/GroupStatisticsToNotificationTransformer.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.statistics.services.compatibility;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import java.util.Optional;
  14 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  15 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  16 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionConvertorData;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupStatisticsUpdated;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupStatisticsUpdatedBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.statistics.reply.GroupStats;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupCase;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.MultipartReplyGroup;
  24
  25 /**
  26  * pulled out group stats to notification transformation
  27  */
  28 public class GroupStatisticsToNotificationTransformer {
  29     /**
  30      * @param mpReplyList   raw multipart response from device
  31      * @param deviceInfo   device state
  32      * @param emulatedTxId
  33      * @param convertorExecutor
  34      * @return notification containing flow stats
  35      */
  36     public static GroupStatisticsUpdated transformToNotification(final List<MultipartReply> mpReplyList,
  37                                                                  final DeviceInfo deviceInfo,
  38                                                                  final TransactionId emulatedTxId,
  39                                                                  final ConvertorExecutor convertorExecutor) {
  40
  41         VersionConvertorData data = new VersionConvertorData(deviceInfo.getVersion());
  42         GroupStatisticsUpdatedBuilder notification = new GroupStatisticsUpdatedBuilder();
  43         notification.setId(deviceInfo.getNodeId());
  44         notification.setMoreReplies(Boolean.FALSE);
  45         notification.setTransactionId(emulatedTxId);
  46
  47         notification.setGroupStats(new ArrayList<GroupStats>());
  48
  49         for (MultipartReply mpReply : mpReplyList) {
  50             MultipartReplyGroupCase caseBody = (MultipartReplyGroupCase) mpReply.getMultipartReplyBody();
  51             MultipartReplyGroup replyBody = caseBody.getMultipartReplyGroup();
  52             final Optional<List<GroupStats>> groupStatsList = convertorExecutor.convert(
  53                     replyBody.getGroupStats(), data);
  54
  55             if (groupStatsList.isPresent()) {
  56                 notification.getGroupStats().addAll(groupStatsList.get());
  57             }
  58         }
  59         return notification.build();
  60     }
  61 }