1 files changed, 102 insertions, 0 deletions
diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/flowobjective/impl/DistributedFlowObjectiveStore.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/flowobjective/impl/DistributedFlowObjectiveStore.java
new file mode 100644
index 00000000..e8ea24fa
--- /dev/null
+++ b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/flowobjective/impl/DistributedFlowObjectiveStore.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.store.flowobjective.impl;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Reference;
+import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.apache.felix.scr.annotations.Service;
+import org.onlab.util.KryoNamespace;
+import org.onosproject.net.behaviour.DefaultNextGroup;
+import org.onosproject.net.behaviour.NextGroup;
+import org.onosproject.net.flowobjective.FlowObjectiveStore;
+import org.onosproject.net.flowobjective.FlowObjectiveStoreDelegate;
+import org.onosproject.net.flowobjective.ObjectiveEvent;
+import org.onosproject.store.AbstractStore;
+import org.onosproject.store.service.AtomicCounter;
+import org.onosproject.store.service.ConsistentMap;
+import org.onosproject.store.service.Serializer;
+import org.onosproject.store.service.StorageService;
+import org.onosproject.store.service.Versioned;
+import org.slf4j.Logger;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * Manages the inventory of created next groups.
+ */
+@Component(immediate = true, enabled = true)
+@Service
+public class DistributedFlowObjectiveStore
+        extends AbstractStore<ObjectiveEvent, FlowObjectiveStoreDelegate>
+        implements FlowObjectiveStore {
+
+    private final Logger log = getLogger(getClass());
+
+    private ConsistentMap<Integer, byte[]> nextGroups;
+
+    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    protected StorageService storageService;
+
+    private AtomicCounter nextIds;
+
+    @Activate
+    public void activate() {
+        nextGroups = storageService.<Integer, byte[]>consistentMapBuilder()
+                .withName("flowobjective-groups")
+                .withSerializer(Serializer.using(
+                        new KryoNamespace.Builder()
+                                .register(byte[].class)
+                                .register(Versioned.class)
+                                .build()))
+                .build();
+
+        nextIds = storageService.atomicCounterBuilder()
+                .withName("next-objective-counter")
+                .build();
+
+        log.info("Started");
+    }
+
+
+    @Deactivate
+    public void deactivate() {
+        log.info("Stopped");
+    }
+
+
+    @Override
+    public void putNextGroup(Integer nextId, NextGroup group) {
+        nextGroups.putIfAbsent(nextId, group.data());
+        notifyDelegate(new ObjectiveEvent(ObjectiveEvent.Type.ADD, nextId));
+    }
+
+    @Override
+    public NextGroup getNextGroup(Integer nextId) {
+        Versioned<byte[]> versionGroup = nextGroups.get(nextId);
+        if (versionGroup != null) {
+            return new DefaultNextGroup(versionGroup.value());
+        }
+        return null;
+    }
+
+    @Override
+    public int allocateNextId() {
+        return (int) nextIds.incrementAndGet();
+    }
+}