content: /**
   * Copyright 2020 Alibaba Group Holding Limited.
   *
   * <p>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
   *
   * <p>http://www.apache.org/licenses/LICENSE-2.0
   *
   * <p>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 com.alibaba.graphscope.groot.rpc;
  
  import com.alibaba.graphscope.groot.discovery.NodeDiscovery;
  
  import io.grpc.NameResolver;
  
  import java.net.URI;
  
  public class GrootNameResolverFactory extends NameResolver.Factory {
  
      private final NodeDiscovery discovery;
  
      public GrootNameResolverFactory(NodeDiscovery discovery) {
          this.discovery = discovery;
      }
  
      @Override
      public NameResolver newNameResolver(URI targetUri, NameResolver.Args args) {
          switch (targetUri.getScheme()) {
              case ChannelManager.SCHEME:
                  return new NodeNameResolver(discovery, targetUri);
              default:
                  return null;
          }
      }
  
      @Override
      public String getDefaultScheme() {
          return "unknown";
      }
  }
  