content: /*
   * 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
   * limitations under the License.
   */
  package org.apache.cassandra.tools.nodetool;
  
  import java.io.IOException;
  import java.io.PrintStream;
  
  import org.apache.cassandra.tools.NodeProbe;
  import picocli.CommandLine.Command;
  import picocli.CommandLine.Parameters;
  
  import static org.apache.commons.lang3.StringUtils.EMPTY;
  
  @Command(name = "describering", description = "Shows the token ranges info of a given keyspace")
  public class DescribeRing extends WithPortDisplayAbstractCommand
  {
      @Parameters(description = "The keyspace name", arity = "1")
      private String keyspace = EMPTY;
  
      @Override
      public void execute(NodeProbe probe)
      {
          PrintStream out = probe.output().out;
          out.println("Schema Version:" + probe.getSchemaVersion());
          out.println("TokenRange: ");
          try
          {
              for (String tokenRangeString : probe.describeRing(keyspace, printPort))
              {
                  out.println("\t" + tokenRangeString);
              }
          } catch (IOException e)
          {
              throw new RuntimeException(e);
          }
      }
  }
  