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.util.List;
  import java.util.Map;
  
  import org.apache.cassandra.tools.NodeProbe;
  import picocli.CommandLine.Command;
  import picocli.CommandLine.Parameters;
  
  @Command(name = "accord",
           description = "Manage the operation of Accord",
           subcommands = {
               AccordAdmin.Describe.class,
               AccordAdmin.MarkStale.class,
               AccordAdmin.MarkRejoining.class
           })
  public class AccordAdmin extends AbstractCommand
  {
      @Override
      protected void execute(NodeProbe probe)
      {
          AbstractCommand cmd = new AccordAdmin.Describe();
          cmd.probe(probe);
          cmd.logger(output);
          cmd.run();
      }
  
      @Command(name = "describe", description = "Describe current cluster metadata relating to Accord")
      public static class Describe extends AbstractCommand
      {
          @Override
          protected void execute(NodeProbe probe)
          {
              Map<String, String> info = probe.getAccordOperationsProxy().describe();
              output.out.printf("Accord Service:%n");
              output.out.printf("Epoch: %s%n", info.get("EPOCH"));
              output.out.printf("Stale Replicas: %s%n", info.get("STALE_REPLICAS"));
          }
      }
  
      @Command(name = "mark_stale", description = "Mark a replica as being stale and no longer able to participate in durability status coordination")
      public static class MarkStale extends AbstractCommand
      {
          @Parameters(arity = "1..*", description = "One or more node IDs to mark stale")
          public List<String> nodeIds;
  
          @Override
          protected void execute(NodeProbe probe)
          {
              probe.getAccordOperationsProxy().accordMarkStale(nodeIds);
          }
      }
  
      @Command(name = "mark_rejoining", description = "Mark a stale replica as being allowed to participate in durability status coordination again")
      public static class MarkRejoining extends AbstractCommand
      {
          @Parameters(arity = "1", description = "One or more node IDs to mark no longer stale")
          public List<String> nodeIds;
  
          @Override
          protected void execute(NodeProbe probe)
          {
              probe.getAccordOperationsProxy().accordMarkRejoining(nodeIds);
          }
      }
  }
  