Merge "Datastore: Reuse successful future"

[controller.git] / opendaylight / md-sal / statistics-manager / src / main / java / org / opendaylight / controller / md / statistics / manager / MeterConfigStatsTracker.java

diff --git a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/MeterConfigStatsTracker.java b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/MeterConfigStatsTracker.java
index dcb0b403dcf5f3082aa2e3b863d514052a380368..88139fc60649541678f63edb46e8f9a250898644 100644 (file)
--- a/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/MeterConfigStatsTracker.java
+++ b/opendaylight/md-sal/statistics-manager/src/main/java/org/opendaylight/controller/md/statistics/manager/MeterConfigStatsTracker.java
@@ -7,22 +7,31 @@
  */
 package org.opendaylight.controller.md.statistics.manager;
 
+import org.opendaylight.controller.md.sal.common.api.data.DataChangeEvent;
+import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
-import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsInputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterConfigStats;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterConfigStatsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.OpendaylightMeterStatisticsService;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.meter.MeterConfigStatsBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.config.stats.reply.MeterConfigStats;
+import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-final class MeterConfigStatsTracker extends AbstractStatsTracker<MeterConfigStats, MeterConfigStats> {
-    protected MeterConfigStatsTracker(InstanceIdentifier<Node> nodeIdentifier, DataProviderService dps, long lifetimeNanos) {
-        super(nodeIdentifier, dps, lifetimeNanos);
+final class MeterConfigStatsTracker extends AbstractListeningStatsTracker<MeterConfigStats, MeterConfigStats> {
+    private static final Logger logger = LoggerFactory.getLogger(MeterConfigStatsTracker.class);
+    private final OpendaylightMeterStatisticsService meterStatsService;
+
+    protected MeterConfigStatsTracker(OpendaylightMeterStatisticsService meterStatsService, final FlowCapableContext context) {
+        super(context);
+        this.meterStatsService = meterStatsService;
     }
 
     @Override
@@ -53,4 +62,57 @@ final class MeterConfigStatsTracker extends AbstractStatsTracker<MeterConfigStat
         return item;
     }
 
+    @Override
+    public void request() {
+        if (meterStatsService != null) {
+            GetAllMeterConfigStatisticsInputBuilder input = new GetAllMeterConfigStatisticsInputBuilder();
+            input.setNode(getNodeRef());
+
+            requestHelper(meterStatsService.getAllMeterConfigStatistics(input.build()));
+        }
+    }
+
+    @Override
+    public void onDataChanged(DataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
+        final DataModificationTransaction trans = startTransaction();
+
+        for (InstanceIdentifier<?> key : change.getRemovedConfigurationData()) {
+            if (Meter.class.equals(key.getTargetType())) {
+                @SuppressWarnings("unchecked")
+                InstanceIdentifier<Meter> meter = (InstanceIdentifier<Meter>)key;
+
+                InstanceIdentifier<?> nodeMeterStatisticsAugmentation =
+                        meter.augmentation(NodeMeterConfigStats.class);
+                trans.removeOperationalData(nodeMeterStatisticsAugmentation);
+            }
+        }
+
+        trans.commit();
+    }
+
+    @Override
+    protected InstanceIdentifier<?> listenPath() {
+        return getNodeIdentifierBuilder().augmentation(FlowCapableNode.class).child(Meter.class).build();
+    }
+
+    @Override
+    protected String statName() {
+        return "Meter Config";
+    }
+
+    @Override
+    public void start(final DataBrokerService dbs) {
+        if (meterStatsService == null) {
+            logger.debug("No Meter Statistics service, not subscribing to meter on node {}", getNodeIdentifier());
+            return;
+        }
+
+        super.start(dbs);
+    }
+
+    @Override
+    protected MeterConfigStats createInvariantKey(MeterConfigStats item) {
+        // No invariant data exist in the meter config stats.
+        return item;
+    }
 }