X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fstatistics-manager%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fstatistics%2Fmanager%2FFlowTableStatsTracker.java;h=a160f6d467ca6731a8c4d485250d6697cec8b97e;hp=4136b3d0e4e466dab95ce1e0c91c319c86b49e45;hb=31b7a44c89d1057489338492fcf62a64147bea24;hpb=fd3193d2efe85828156e6a670b5c06a0ea485a98

diff --git a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/FlowTableStatsTracker.java b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/FlowTableStatsTracker.java
index 4136b3d0e4..a160f6d467 100644
--- a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/FlowTableStatsTracker.java
+++ b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/FlowTableStatsTracker.java
@@ -23,20 +23,16 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev13
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.and.statistics.map.FlowTableAndStatisticsMap;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatistics;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatisticsBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
-import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.ListenableFuture;
-
 final class FlowTableStatsTracker extends AbstractStatsTracker<FlowTableAndStatisticsMap, FlowTableAndStatisticsMap> {
     private final Set<TableKey> privateTables = new ConcurrentSkipListSet<>();
     private final Set<TableKey> tables = Collections.unmodifiableSet(privateTables);
     private final OpendaylightFlowTableStatisticsService flowTableStatsService;
 
-    FlowTableStatsTracker(OpendaylightFlowTableStatisticsService flowTableStatsService, final FlowCapableContext context, long lifetimeNanos) {
-        super(context, lifetimeNanos);
-        this.flowTableStatsService = Preconditions.checkNotNull(flowTableStatsService);
+    FlowTableStatsTracker(OpendaylightFlowTableStatisticsService flowTableStatsService, final FlowCapableContext context) {
+        super(context);
+        this.flowTableStatsService = flowTableStatsService;
     }
 
     Set<TableKey> getTables() {
@@ -65,10 +61,13 @@ final class FlowTableStatsTracker extends AbstractStatsTracker<FlowTableAndStati
         return item;
     }
 
-    public ListenableFuture<TransactionId> request() {
-        final GetFlowTablesStatisticsInputBuilder input = new GetFlowTablesStatisticsInputBuilder();
-        input.setNode(getNodeRef());
+    @Override
+    public void request() {
+        if (flowTableStatsService != null) {
+            final GetFlowTablesStatisticsInputBuilder input = new GetFlowTablesStatisticsInputBuilder();
+            input.setNode(getNodeRef());
 
-        return requestHelper(flowTableStatsService.getFlowTablesStatistics(input.build()));
+            requestHelper(flowTableStatsService.getFlowTablesStatistics(input.build()));
+        }
     }
 }