[ONOS-6017] Implement DefaultMappingKey and DefaultMappingValue

Change-Id: Ie41242436323d9fa89400c2ab661fcc35518b9c8
diff --git a/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingTestMocks.java b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingTestMocks.java
new file mode 100644
index 0000000..364a9b0
--- /dev/null
+++ b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingTestMocks.java
@@ -0,0 +1,61 @@
+/*
+ * 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.mapping;
+
+import org.onlab.packet.IpPrefix;
+import org.onosproject.mapping.actions.MappingAction;
+import org.onosproject.mapping.actions.MappingActions;
+import org.onosproject.mapping.addresses.MappingAddress;
+import org.onosproject.mapping.addresses.MappingAddresses;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Commons mocks used by the mapping management tasks.
+ */
+public class MappingTestMocks {
+
+    private static final String IP = "1.2.3.4/24";
+
+    /**
+     * Mock mapping key class used for satisfying API requirements.
+     */
+    public static class MockMappingKey implements MappingKey {
+
+        @Override
+        public MappingAddress address() {
+            IpPrefix ip = IpPrefix.valueOf(IP);
+            return MappingAddresses.ipv4MappingAddress(ip);
+        }
+    }
+
+    /**
+     * Mock mapping value class used for satisfying API requirements.
+     */
+    public static class MockMappingValue implements MappingValue {
+
+        @Override
+        public MappingAction action() {
+            return MappingActions.noAction();
+        }
+
+        @Override
+        public List<MappingTreatment> treatments() {
+            return Collections.emptyList();
+        }
+    }
+}