| /* |
| * Copyright 2017 The gRPC Authors |
| * |
| * 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 io.grpc.internal; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import com.google.common.base.MoreObjects; |
| import io.grpc.NameResolver; |
| |
| /** |
| * A forwarding class to ensure non overridden methods are forwarded to the delegate. |
| */ |
| abstract class ForwardingNameResolver extends NameResolver { |
| private final NameResolver delegate; |
| |
| ForwardingNameResolver(NameResolver delegate) { |
| checkNotNull(delegate, "delegate can not be null"); |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public String getServiceAuthority() { |
| return delegate.getServiceAuthority(); |
| } |
| |
| @Override |
| @Deprecated |
| public void start(Listener listener) { |
| delegate.start(listener); |
| } |
| |
| @Override |
| public void start(Listener2 listener) { |
| delegate.start(listener); |
| } |
| |
| @Override |
| public void shutdown() { |
| delegate.shutdown(); |
| } |
| |
| @Override |
| public void refresh() { |
| delegate.refresh(); |
| } |
| |
| @Override |
| public String toString() { |
| return MoreObjects.toStringHelper(this).add("delegate", delegate).toString(); |
| } |
| } |