statistics/impl/src/main/java/org/opendaylight/netvirt/statistics/NodeConnectorStatisticsSupplier.java

   1 /*
   2  * Copyright (c) 2016 Hewlett Packard Enterprise, Co. 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.netvirt.statistics;
   9
  10 import java.util.concurrent.ExecutionException;
  11 import java.util.concurrent.Future;
  12 import java.util.function.Supplier;
  13
  14 import org.opendaylight.infrautils.counters.api.OccurenceCounter;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.direct.statistics.rev160511.GetNodeConnectorStatisticsInput;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.direct.statistics.rev160511.GetNodeConnectorStatisticsOutput;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.direct.statistics.rev160511.OpendaylightDirectStatisticsService;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  19 import org.opendaylight.yangtools.yang.common.RpcResult;
  20
  21 public class NodeConnectorStatisticsSupplier implements Supplier<NodeConnectorStatisticsSupplierOutput> {
  22
  23     private final OpendaylightDirectStatisticsService odlDirectStatsService;
  24     private GetNodeConnectorStatisticsInput gncsi;
  25     private NodeConnectorId nodeConnectorId;
  26
  27     public NodeConnectorStatisticsSupplier(OpendaylightDirectStatisticsService odlDirectStatsService,
  28             GetNodeConnectorStatisticsInput gncsi, NodeConnectorId nodeConnectorId) {
  29         this.odlDirectStatsService = odlDirectStatsService;
  30         this.gncsi = gncsi;
  31         this.nodeConnectorId = nodeConnectorId;
  32     }
  33
  34     @Override
  35     public NodeConnectorStatisticsSupplierOutput get() {
  36         Future<RpcResult<GetNodeConnectorStatisticsOutput>> rpcResultFuture =
  37                 odlDirectStatsService.getNodeConnectorStatistics(gncsi);
  38         RpcResult<GetNodeConnectorStatisticsOutput> rpcResult = null;
  39         try {
  40             rpcResult = rpcResultFuture.get();
  41         } catch (InterruptedException | ExecutionException e) {
  42             RpcSupplierCounters.failed_getting_node_connector_counters.inc();
  43             return null;
  44         }
  45         return new NodeConnectorStatisticsSupplierOutput(rpcResult, nodeConnectorId);
  46     }
  47
  48     enum RpcSupplierCounters {
  49         failed_getting_node_connector_counters, //
  50         ;
  51         private OccurenceCounter counter;
  52
  53         RpcSupplierCounters() {
  54             counter = new OccurenceCounter(getClass().getEnclosingClass().getSimpleName(), name(), "");
  55         }
  56
  57         public void inc() {
  58             counter.inc();
  59         }
  60     }
  61
  62 }