Implement route-store command

An easy way to quickly check the running route store implementation

Change-Id: I24830976ddbf772ba47eb4d322357909be6677fd
diff --git a/cli/src/main/java/org/onosproject/cli/net/RouteStoreCommand.java b/cli/src/main/java/org/onosproject/cli/net/RouteStoreCommand.java
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+++ b/cli/src/main/java/org/onosproject/cli/net/RouteStoreCommand.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2017-present 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.cli.net;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.incubator.net.routing.RouteStore;
+
+/**
+ * Command to show the current route store implementation.
+ */
+@Command(scope = "onos", name = "route-store",
+        description = "Show the current route store implementation.")
+public class RouteStoreCommand extends AbstractShellCommand {
+
+    @Override
+    protected void execute() {
+        RouteStore routeStore = AbstractShellCommand.get(RouteStore.class);
+        print(routeStore.name());
+    }
+}
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