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 final class GroupStatisticsToNotificationTransformer {
  29
  30     private GroupStatisticsToNotificationTransformer() {
  31         // Hide implicit constructor
  32     }
  33
  34     /**
  35      * Transform statistics to notification.
  36      * @param mpReplyList   raw multipart response from device
  37      * @param deviceInfo   device state
  38      * @param emulatedTxId emulated transaction id
  39      * @param convertorExecutor convertor executor
  40      * @return notification containing flow stats
  41      */
  42     public static GroupStatisticsUpdated transformToNotification(final List<MultipartReply> mpReplyList,
  43                                                                  final DeviceInfo deviceInfo,
  44                                                                  final TransactionId emulatedTxId,
  45                                                                  final ConvertorExecutor convertorExecutor) {
  46
  47         VersionConvertorData data = new VersionConvertorData(deviceInfo.getVersion());
  48         GroupStatisticsUpdatedBuilder notification = new GroupStatisticsUpdatedBuilder();
  49         notification.setId(deviceInfo.getNodeId());
  50         notification.setMoreReplies(Boolean.FALSE);
  51         notification.setTransactionId(emulatedTxId);
  52
  53         notification.setGroupStats(new ArrayList<>());
  54
  55         for (MultipartReply mpReply : mpReplyList) {
  56             MultipartReplyGroupCase caseBody = (MultipartReplyGroupCase) mpReply.getMultipartReplyBody();
  57             MultipartReplyGroup replyBody = caseBody.getMultipartReplyGroup();
  58             final Optional<List<GroupStats>> groupStatsList = convertorExecutor.convert(
  59                     replyBody.getGroupStats(), data);
  60
  61             groupStatsList.ifPresent(groupStats -> notification.getGroupStats().addAll(groupStats));
  62         }
  63         return notification.build();
  64     }
  65 }