Adding command to add routes and to generate flows from them.

Enhanced FlowRuleStore and FlowRuleService with a new method.

Change-Id: I011371c1931294448e361fc1ceb120d89c14489d
diff --git a/apps/test/route-scale/src/main/java/org/onosproject/routescale/CreateFlows.java b/apps/test/route-scale/src/main/java/org/onosproject/routescale/CreateFlows.java
new file mode 100644
index 0000000..6515def
--- /dev/null
+++ b/apps/test/route-scale/src/main/java/org/onosproject/routescale/CreateFlows.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.routescale;
+
+import org.apache.karaf.shell.commands.Argument;
+import org.apache.karaf.shell.commands.Command;
+import org.onosproject.cli.AbstractShellCommand;
+
+/**
+ * Creates the specified number of routes for scale testing.
+ */
+@Command(scope = "onos", name = "scale-create-flows",
+        description = "Creates the specified number of flows for scale testing")
+public class CreateFlows extends AbstractShellCommand {
+
+    @Argument(index = 0, name = "flowCount", description = "Number of flows to create",
+            required = true)
+    int flowCount;
+
+    @Override
+    protected void execute() {
+        ScaleTestManager service = get(ScaleTestManager.class);
+        service.createFlows(flowCount);
+    }
+
+}