X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fstatistics-manager%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fstatistics%2Fmanager%2FFlowTableStatsTracker.java;h=3fe68c111a1549bc6c9df7b9b19803590ffad94b;hb=3a827de1a10cd2c88a09eefc0ec518fa00f8dc02;hp=4136b3d0e4e466dab95ce1e0c91c319c86b49e45;hpb=84c506752f2041f6133bd4514d87321fb9a311fe;p=controller.git

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..3fe68c111a 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
@@ -23,12 +23,8 @@ 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);
@@ -36,7 +32,7 @@ final class FlowTableStatsTracker extends AbstractStatsTracker<FlowTableAndStati
 
     FlowTableStatsTracker(OpendaylightFlowTableStatisticsService flowTableStatsService, final FlowCapableContext context, long lifetimeNanos) {
         super(context, lifetimeNanos);
-        this.flowTableStatsService = Preconditions.checkNotNull(flowTableStatsService);
+        this.flowTableStatsService = flowTableStatsService;
     }
 
     Set<TableKey> getTables() {
@@ -65,10 +61,12 @@ final class FlowTableStatsTracker extends AbstractStatsTracker<FlowTableAndStati
         return item;
     }
 
-    public ListenableFuture<TransactionId> request() {
-        final GetFlowTablesStatisticsInputBuilder input = new GetFlowTablesStatisticsInputBuilder();
-        input.setNode(getNodeRef());
+    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()));
+        }
     }
 }