1 files changed, 48 insertions, 0 deletions
diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/flow/ReplicaInfoService.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/flow/ReplicaInfoService.java
new file mode 100644
index 00000000..bf60f931
--- /dev/null
+++ b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/flow/ReplicaInfoService.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2014 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.flow;
+
+import org.onosproject.net.DeviceId;
+
+/**
+ * Service to return where the replica should be placed.
+ */
+public interface ReplicaInfoService {
+
+    // returns where it should be.
+    /**
+     * Returns the placement information for given Device.
+     *
+     * @param deviceId identifier of the device
+     * @return placement information
+     */
+    ReplicaInfo getReplicaInfoFor(DeviceId deviceId);
+
+    /**
+     * Adds the specified replica placement info change listener.
+     *
+     * @param listener the replica placement info change listener
+     */
+    void addListener(ReplicaInfoEventListener listener);
+
+    /**
+     * Removes the specified replica placement info change listener.
+     *
+     * @param listener the replica placement info change listener
+     */
+    void removeListener(ReplicaInfoEventListener listener);
+
+}