[ONOS-3163] Implementation of Storage service adapter

Change-Id: If5213354b94a47cfcfdef03aa24b1ec0f45be27b

+/*
+ * 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.vtnrsc.util;
+
+import org.onosproject.store.service.EventuallyConsistentMapBuilder;
+import org.onosproject.store.service.ConsistentMapBuilder;
+import org.onosproject.store.service.DistributedSetBuilder;
+import org.onosproject.store.service.DistributedQueueBuilder;
+import org.onosproject.store.service.AtomicCounterBuilder;
+import org.onosproject.store.service.AtomicValueBuilder;
+import org.onosproject.store.service.TransactionContextBuilder;
+import org.onosproject.store.service.StorageService;
+
+/**
+ * Adapter for the storage service.
+ */
+public class VtnStorageServiceAdapter implements StorageService {
+    @Override
+    public <K, V> EventuallyConsistentMapBuilder<K, V> eventuallyConsistentMapBuilder() {
+        return null;
+    }
+
+    @Override
+    public <K, V> ConsistentMapBuilder<K, V> consistentMapBuilder() {
+        return null;
+    }
+
+    @Override
+    public <E> DistributedSetBuilder<E> setBuilder() {
+        return null;
+    }
+
+    @Override
+    public <E> DistributedQueueBuilder<E> queueBuilder() {
+        return null;
+    }
+
+    @Override
+    public AtomicCounterBuilder atomicCounterBuilder() {
+        return null;
+    }
+
+    @Override
+    public <V> AtomicValueBuilder<V> atomicValueBuilder() {
+        return null;
+    }
+
+    @Override
+    public TransactionContextBuilder transactionContextBuilder() {
+        return null;
+    }
+}

+/*
+ * 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.vtnrsc.util;
+
+import org.onosproject.store.service.EventuallyConsistentMapBuilder;
+
+public class VtnStorageServiceTest extends VtnStorageServiceAdapter {
+    @Override
+    public <K, V> EventuallyConsistentMapBuilder<K, V> eventuallyConsistentMapBuilder() {
+        return VtnEventuallyConsistentMapTest.builder();
+    }
+}