Renamed UI- CLI command classes to be more consistent.

Change-Id: I374f8e7440cc63a374fa0980b4d538c52a126936
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/topo/cli/UiCacheRegionsCommand.java b/web/gui/src/main/java/org/onosproject/ui/impl/topo/cli/UiCacheRegionsCommand.java
new file mode 100644
index 0000000..aab4dae
--- /dev/null
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/topo/cli/UiCacheRegionsCommand.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2016-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.ui.impl.topo.cli;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.ui.impl.topo.model.UiSharedTopologyModel;
+
+/**
+ * CLI command to list the UiRegions stored in the ModelCache.
+ */
+@Command(scope = "onos", name = "ui-cache-regions",
+        description = "Lists UiRegions in the Model Cache")
+public class UiCacheRegionsCommand extends AbstractUiCacheElementCommand {
+
+    @Override
+    protected void execute() {
+        UiSharedTopologyModel model = get(UiSharedTopologyModel.class);
+        print("%s", model.getNullRegion());
+        sorted(model.getRegions()).forEach(r -> print("%s", r));
+    }
+}