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   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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
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  package org.apache.cassandra.tools.nodetool;
  
  import java.net.InetAddress;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.cassandra.tools.NodeProbe;
  import org.apache.cassandra.tools.nodetool.layout.CassandraUsage;
  import picocli.CommandLine.Parameters;
  import picocli.CommandLine.Command;
  
  import static com.google.common.base.Preconditions.checkArgument;
  import static org.apache.cassandra.tools.nodetool.CommandUtils.concatArgs;
  
  @Command(name = "getendpoints", description = "Print the end points that owns the key")
  public class GetEndpoints extends WithPortDisplayAbstractCommand
  {
      @CassandraUsage(usage = "<keyspace> <table> <key>", description = "The keyspace, the table, and the partition key for which we need to find the endpoint")
      private List<String> args = new ArrayList<>();
  
      @Parameters(index = "0", arity = "0..1", description = "The keyspace for which we need to find the endpoint")
      private String keyspace;
  
      @Parameters(index = "1", arity = "0..1", description = "The table for which we need to find the endpoint")
      private String table;
  
      @Parameters(index = "2", arity = "0..1", description = "The partition key for which we need to find the endpoint")
      private String key;
  
      @Override
      public void execute(NodeProbe probe)
      {
          args = concatArgs(keyspace, table, key);
  
          checkArgument(args.size() == 3, "getendpoints requires keyspace, table and partition key arguments");
          String ks = args.get(0);
          String table = args.get(1);
          String key = args.get(2);
  
          if (printPort)
          {
              for (String endpoint : probe.getEndpointsWithPort(ks, table, key))
              {
                  probe.output().out.println(endpoint);
              }
          }
          else
          {
              List<InetAddress> endpoints = probe.getEndpoints(ks, table, key);
              for (InetAddress endpoint : endpoints)
              {
                  probe.output().out.println(endpoint.getHostAddress());
              }
          }
      }
  }
  