[Emu] FlowAnalyzer app code and tests

Change-Id: I8b6f83f7d2e76a4e8cf770d9b0018be283e91bf3
diff --git a/apps/flowanalyzer/src/main/java/org/onosproject/flowanalyzer/FlowAnalysisCommand.java b/apps/flowanalyzer/src/main/java/org/onosproject/flowanalyzer/FlowAnalysisCommand.java
new file mode 100644
index 0000000..2c61949
--- /dev/null
+++ b/apps/flowanalyzer/src/main/java/org/onosproject/flowanalyzer/FlowAnalysisCommand.java
@@ -0,0 +1,33 @@
+/*
+ * 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.flowanalyzer;
+
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+
+/**
+ * Analyzes flows for cycles and black holes.
+ */
+@Command(scope = "onos", name = "flow-analysis",
+         description = "Analyzes flows for cycles and black holes")
+public class FlowAnalysisCommand extends AbstractShellCommand {
+
+    @Override
+    protected void execute() {
+        FlowAnalyzer service = get(FlowAnalyzer.class);
+        print(service.analyze());
+    }
+}