Created LinkService and added unit tests.
Change-Id: I1f2104c873e5a9e2df34074d36cddc823e3b3ec5
diff --git a/incubator/protobuf/models/src/main/java/org/onosproject/incubator/protobuf/models/net/ProviderIdProtoTranslator.java b/incubator/protobuf/models/src/main/java/org/onosproject/incubator/protobuf/models/net/ProviderIdProtoTranslator.java
new file mode 100644
index 0000000..8ee4fe5
--- /dev/null
+++ b/incubator/protobuf/models/src/main/java/org/onosproject/incubator/protobuf/models/net/ProviderIdProtoTranslator.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2017-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.incubator.protobuf.models.net;
+
+import org.onosproject.grpc.net.models.ProviderIdProtoOuterClass;
+import org.onosproject.net.provider.ProviderId;
+
+/**
+ * gRPC ProviderId message to org.onosproject.net.provider.ProviderId conversion related utilities.
+ */
+public final class ProviderIdProtoTranslator {
+
+ /**
+ * Translates gRPC ProviderId message to {@link org.onosproject.net.provider.ProviderId}.
+ *
+ * @param providerId gRPC ProviderId message
+ * @return {@link org.onosproject.net.provider.ProviderId} or null if providerId is a default instance
+ */
+ public static ProviderId translate(ProviderIdProtoOuterClass.ProviderIdProto providerId) {
+ if (providerId.equals(ProviderIdProtoOuterClass.ProviderIdProto.getDefaultInstance())) {
+ return null;
+ }
+ return new ProviderId(providerId.getScheme(), providerId.getId(), providerId.getAncillary());
+ }
+
+ /**
+ * Translates {@link org.onosproject.net.provider.ProviderId} to gRPC ProviderId message.
+ *
+ * @param providerId {@link org.onosproject.net.provider.ProviderId}
+ * @return gRPC ProviderId message
+ */
+ public static ProviderIdProtoOuterClass.ProviderIdProto translate(ProviderId providerId) {
+ if (providerId == null) {
+ return ProviderIdProtoOuterClass.ProviderIdProto.getDefaultInstance();
+ }
+ return ProviderIdProtoOuterClass.ProviderIdProto.newBuilder()
+ .setScheme(providerId.scheme())
+ .setId(providerId.id())
+ .setAncillary(providerId.isAncillary())
+ .build();
+ }
+
+
+ // Utility class not intended for instantiation.
+ private ProviderIdProtoTranslator() {}
+
+}
+