[ONOS-5916] Add interfaces with adaptor for mapping management app

Change-Id: I44cec28ec50b77d2a40c3650b59c96f02ec48f4f
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/DefaultMapping.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/DefaultMapping.java
new file mode 100644
index 0000000..f51a8d1
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/DefaultMapping.java
@@ -0,0 +1,57 @@
+/*
+ * 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.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
+
+/**
+ * Default implementation class for mapping.
+ */
+public class DefaultMapping implements Mapping {
+    @Override
+    public MappingId id() {
+        return null;
+    }
+
+    @Override
+    public short appId() {
+        return 0;
+    }
+
+    @Override
+    public DeviceId deviceId() {
+        return null;
+    }
+
+    public static final class Builder implements Mapping.Builder {
+
+        @Override
+        public Mapping.Builder fromApp(ApplicationId appId) {
+            return null;
+        }
+
+        @Override
+        public Mapping.Builder forDevice(DeviceId deviceId) {
+            return null;
+        }
+
+        @Override
+        public Mapping build() {
+            return null;
+        }
+    }
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/DefaultMappingEntry.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/DefaultMappingEntry.java
new file mode 100644
index 0000000..4c7ae70
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/DefaultMappingEntry.java
@@ -0,0 +1,26 @@
+/*
+ * 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;
+
+/**
+ * Default implementation of MappingEntry.
+ */
+public class DefaultMappingEntry extends DefaultMapping implements MappingEntry {
+    @Override
+    public MappingEntryState state() {
+        return null;
+    }
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/Mapping.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/Mapping.java
new file mode 100644
index 0000000..1233020
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/Mapping.java
@@ -0,0 +1,90 @@
+/*
+ * 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.onosproject.core.ApplicationId;
+import org.onosproject.net.DeviceId;
+
+/**
+ * Abstraction of mapping.
+ */
+public interface Mapping {
+
+    /**
+     * Obtains the identifier of this mapping.
+     *
+     * @return mapping identifier
+     */
+    MappingId id();
+
+    /**
+     * Obtains the application identifier of this mapping.
+     *
+     * @return an application identifier
+     */
+    short appId();
+
+    /**
+     * Obtains the identity of the device where this mapping applies.
+     *
+     * @return device identifier
+     */
+    DeviceId deviceId();
+
+    /**
+     * {@inheritDoc}
+     *
+     * Equality for mappings only considers 'match equality'. This means that
+     * two mappings with the same match conditions will be equal.
+     *
+     * @param   obj   the reference object with which to compare.
+     * @return  {@code true} if this object is the same as the obj
+     *          argument; {@code false} otherwise.
+     */
+    boolean equals(Object obj);
+
+    /**
+     * A mapping builder.
+     */
+    interface Builder {
+
+        /**
+         * Assigns the application that built this mapping to this object.
+         * The short value of the appId will be used as a basis for the
+         * cookie value computation. It is expected that application use this
+         * call to set their application id.
+         *
+         * @param appId an application identifier
+         * @return this builder object
+         */
+        Builder fromApp(ApplicationId appId);
+
+        /**
+         * Sets the deviceId for this mapping.
+         *
+         * @param deviceId a device identifier
+         * @return this builder object
+         */
+        Builder forDevice(DeviceId deviceId);
+
+        /**
+         * Builds a mapping object.
+         *
+         * @return a mapping object
+         */
+        Mapping build();
+    }
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingAdminService.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingAdminService.java
new file mode 100644
index 0000000..8f41e10
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingAdminService.java
@@ -0,0 +1,22 @@
+/*
+ * 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;
+
+/**
+ * Service for administering the mapping management.
+ */
+public interface MappingAdminService extends MappingService {
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingEntry.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingEntry.java
new file mode 100644
index 0000000..6e6ef94
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingEntry.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;
+
+/**
+ * Abstraction of mapping entry.
+ */
+public interface MappingEntry extends Mapping {
+
+    enum MappingEntryState {
+
+        /**
+         * Indicates that this mapping has been submitted for addition.
+         * Not necessarily in the map database or map cache.
+         */
+        PENDING_ADD,
+
+        /**
+         * Mapping has been added which means it is either in map database or
+         * in map cache.
+         */
+        ADDED,
+
+        /**
+         * Mapping has been marked for removal, might still be either in map
+         * database or in map cache.
+         */
+        PENDING_REMOVE,
+
+        /**
+         * Mapping has been removed from map database or in map cache, and
+         * ca be purged.
+         */
+        REMOVED,
+
+        /**
+         * Indicates that the installation of this mapping has failed.
+         */
+        FAILED
+    }
+
+    /**
+     * Returns the mapping entry state.
+     *
+     * @return mapping entry state
+     */
+    MappingEntryState state();
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingEvent.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingEvent.java
new file mode 100644
index 0000000..4b03d13
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingEvent.java
@@ -0,0 +1,63 @@
+/*
+ * 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.onosproject.event.AbstractEvent;
+
+/**
+ * Describes mapping event.
+ */
+public class MappingEvent extends AbstractEvent<MappingEvent.Type, Mapping> {
+
+    public enum Type {
+
+        /**
+         * Signifies that a new mapping has been detected.
+         */
+        MAPPING_ADDED,
+
+        /**
+         * Signifies that a new mapping has been removed.
+         */
+        MAPPING_REMOVED,
+
+        /**
+         * Signifies that a mapping has been updated.
+         */
+        MAPPING_UPDATED,
+
+        // internal event between Manager <-> Store
+
+        /**
+         * Signifies that a request to add mapping has been added to the store.
+         */
+        MAPPING_ADD_REQUESTED,
+
+        /**
+         * Signifies that a request to update mapping has been added to the store.
+         */
+        MAPPING_UPDATE_REQUESTED,
+
+        /**
+         * Signifies that a request to remove flow rule has been added to the store.
+         */
+        MAPPING_REMOVE_REQUESTED,
+    }
+
+    public MappingEvent(Type type, Mapping mapping) {
+        super(type, mapping);
+    }
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingId.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingId.java
new file mode 100644
index 0000000..703012e
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingId.java
@@ -0,0 +1,57 @@
+/*
+ * 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.util.Identifier;
+
+/**
+ * Representation of a Mapping ID.
+ */
+public final class MappingId extends Identifier<Long> {
+
+    /**
+     * Private constructor that prevents instantiation from external.
+     *
+     * @param id mapping identifier
+     */
+    private MappingId(long id) {
+        super(id);
+    }
+
+    /**
+     * Creates a mapping identifier from a long value.
+     *
+     * @param id mapping identifier in long format
+     * @return mapping identifier
+     */
+    public static MappingId valueOf(long id) {
+        return new MappingId(id);
+    }
+
+    /**
+     * Obtains mapping identifier value.
+     *
+     * @return mapping identifier value as long
+     */
+    public long value() {
+        return this.identifier;
+    }
+
+    @Override
+    public String toString() {
+        return Long.toHexString(identifier);
+    }
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingListener.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingListener.java
new file mode 100644
index 0000000..4c41fb8
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingListener.java
@@ -0,0 +1,24 @@
+/*
+ * 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.onosproject.event.EventListener;
+
+/**
+ * Entity capable of receiving mapping related event.
+ */
+public interface MappingListener extends EventListener<MappingEvent> {
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingProvider.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingProvider.java
new file mode 100644
index 0000000..667f9cb
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingProvider.java
@@ -0,0 +1,24 @@
+/*
+ * 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.onosproject.net.provider.Provider;
+
+/**
+ * Abstraction of a mapping provider.
+ */
+public interface MappingProvider extends Provider {
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingProviderRegistry.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingProviderRegistry.java
new file mode 100644
index 0000000..d17162c
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingProviderRegistry.java
@@ -0,0 +1,25 @@
+/*
+ * 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.onosproject.net.provider.ProviderRegistry;
+
+/**
+ * Abstraction of a mapping provider registry.
+ */
+public interface MappingProviderRegistry
+        extends ProviderRegistry<MappingProvider, MappingProviderService> {
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingProviderService.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingProviderService.java
new file mode 100644
index 0000000..8392ee1
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingProviderService.java
@@ -0,0 +1,33 @@
+/*
+ * 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.onosproject.net.provider.ProviderService;
+
+/**
+ * Service through which mapping providers can inject mapping information into
+ * the core.
+ */
+public interface MappingProviderService extends ProviderService<MappingProvider> {
+
+    /**
+     * Signals that a new mapping has been received.
+     *
+     * @param mappingEntry  newly added mapping entry
+     * @param isMapDatabase indicate that where this map entry should be stored
+     */
+    void mappingAdded(MappingEntry mappingEntry, boolean isMapDatabase);
+}
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingService.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingService.java
index 608c819..e1862e1 100644
--- a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingService.java
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingService.java
@@ -15,8 +15,11 @@
  */
 package org.onosproject.mapping;
 
+import org.onosproject.event.ListenerService;
+
 /**
  * Interface of mapping management service.
  */
-public interface MappingService {
+public interface MappingService
+                    extends ListenerService<MappingEvent, MappingListener> {
 }
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingStore.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingStore.java
index d3af3f3..e6f59a2 100644
--- a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingStore.java
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingStore.java
@@ -15,8 +15,10 @@
  */
 package org.onosproject.mapping;
 
+import org.onosproject.store.Store;
+
 /**
  * Interface of a distributed store for managing mapping information.
  */
-public interface MappingStore {
+public interface MappingStore extends Store<MappingEvent, MappingStoreDelegate> {
 }
diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingStoreDelegate.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingStoreDelegate.java
new file mode 100644
index 0000000..fd420f0
--- /dev/null
+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/MappingStoreDelegate.java
@@ -0,0 +1,24 @@
+/*
+ * 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.onosproject.store.StoreDelegate;
+
+/**
+ * Mapping store delegate abstraction.
+ */
+public interface MappingStoreDelegate extends StoreDelegate<MappingEvent> {
+}
diff --git a/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingProviderRegistryAdapter.java b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingProviderRegistryAdapter.java
new file mode 100644
index 0000000..1405166
--- /dev/null
+++ b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingProviderRegistryAdapter.java
@@ -0,0 +1,40 @@
+/*
+ * 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.onosproject.net.provider.ProviderId;
+
+import java.util.Set;
+
+/**
+ * Adapter for testing against mapping provider registry.
+ */
+public class MappingProviderRegistryAdapter implements MappingProviderRegistry {
+    @Override
+    public MappingProviderService register(MappingProvider provider) {
+        return null;
+    }
+
+    @Override
+    public void unregister(MappingProvider provider) {
+
+    }
+
+    @Override
+    public Set<ProviderId> getProviders() {
+        return null;
+    }
+}
diff --git a/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingProviderServiceAdapter.java b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingProviderServiceAdapter.java
new file mode 100644
index 0000000..c6a3d87
--- /dev/null
+++ b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingProviderServiceAdapter.java
@@ -0,0 +1,31 @@
+/*
+ * 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;
+
+/**
+ * Adapter for testing against mapping provider service.
+ */
+public class MappingProviderServiceAdapter implements MappingProviderService {
+    @Override
+    public MappingProvider provider() {
+        return null;
+    }
+
+    @Override
+    public void mappingAdded(MappingEntry mappingEntry, boolean isMapDatabase) {
+
+    }
+}
diff --git a/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingServiceAdapter.java b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingServiceAdapter.java
new file mode 100644
index 0000000..7eb68cb
--- /dev/null
+++ b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingServiceAdapter.java
@@ -0,0 +1,31 @@
+/*
+ * 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;
+
+/**
+ * Adapter for testing against mapping service.
+ */
+public class MappingServiceAdapter implements MappingService {
+    @Override
+    public void addListener(MappingListener listener) {
+
+    }
+
+    @Override
+    public void removeListener(MappingListener listener) {
+
+    }
+}
diff --git a/apps/mappingmanagement/mgr/src/main/java/org/onosproject/mapping/impl/DistributedMappingStore.java b/apps/mappingmanagement/mgr/src/main/java/org/onosproject/mapping/impl/DistributedMappingStore.java
index 8a48762..6e3f445 100644
--- a/apps/mappingmanagement/mgr/src/main/java/org/onosproject/mapping/impl/DistributedMappingStore.java
+++ b/apps/mappingmanagement/mgr/src/main/java/org/onosproject/mapping/impl/DistributedMappingStore.java
@@ -16,9 +16,24 @@
 package org.onosproject.mapping.impl;
 
 import org.onosproject.mapping.MappingStore;
+import org.onosproject.mapping.MappingStoreDelegate;
 
 /**
  * Implementation of a distributed store for managing mapping information.
  */
 public class DistributedMappingStore implements MappingStore {
+    @Override
+    public void setDelegate(MappingStoreDelegate delegate) {
+
+    }
+
+    @Override
+    public void unsetDelegate(MappingStoreDelegate delegate) {
+
+    }
+
+    @Override
+    public boolean hasDelegate() {
+        return false;
+    }
 }
diff --git a/apps/mappingmanagement/mgr/src/main/java/org/onosproject/mapping/impl/MappingManager.java b/apps/mappingmanagement/mgr/src/main/java/org/onosproject/mapping/impl/MappingManager.java
index 6da2791..7668375 100644
--- a/apps/mappingmanagement/mgr/src/main/java/org/onosproject/mapping/impl/MappingManager.java
+++ b/apps/mappingmanagement/mgr/src/main/java/org/onosproject/mapping/impl/MappingManager.java
@@ -15,10 +15,20 @@
  */
 package org.onosproject.mapping.impl;
 
+import org.onosproject.mapping.MappingListener;
 import org.onosproject.mapping.MappingService;
 
 /**
  * Implementation of mapping management service.
  */
 public class MappingManager implements MappingService {
+    @Override
+    public void addListener(MappingListener listener) {
+
+    }
+
+    @Override
+    public void removeListener(MappingListener listener) {
+
+    }
 }