[ONOS-3162] Test stub on FlowObjectiveService

Change-Id: Ieba45fb60b0285d181d41022157d2d7b967f96c6

+/*
+ * 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.sfc.util;
+
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.flowobjective.FlowObjectiveService;
+import org.onosproject.net.flowobjective.FilteringObjective;
+import org.onosproject.net.flowobjective.ForwardingObjective;
+import org.onosproject.net.flowobjective.NextObjective;
+
+/**
+ * Testing version of implementation on FlowObjectiveService.
+ */
+public class FlowObjectiveServiceTestImpl implements FlowObjectiveService {
+
+    @Override
+    public void filter(DeviceId deviceId, FilteringObjective filteringObjective) {
+
+    }
+
+    @Override
+    public void forward(DeviceId deviceId, ForwardingObjective forwardingObjective) {
+
+    }
+
+    @Override
+    public void next(DeviceId deviceId, NextObjective nextObjective) {
+
+    }
+
+    @Override
+    public int allocateNextId() {
+        return 0;
+    }
+
+    @Override
+    public void initPolicy(String policy) {
+
+    }
+}