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.PrintStream;
  import java.util.Set;
  
  import com.google.common.annotations.VisibleForTesting;
  
  import org.apache.cassandra.tools.NodeProbe;
  import org.apache.cassandra.tools.nodetool.formatter.TableBuilder;
  import picocli.CommandLine.Command;
  import picocli.CommandLine.Option;
  
  import static com.google.common.base.Preconditions.checkArgument;
  
  /**
   * Provides currently running auto-repair tasks.
   */
  @Command(name = "autorepairstatus", description = "Print autorepair status")
  public class AutoRepairStatus extends AbstractCommand
  {
      @VisibleForTesting
      @Option(names = { "-t", "--repair-type" }, description = "Repair type")
      protected String repairType;
  
      @Override
      public void execute(NodeProbe probe)
      {
          checkArgument(repairType != null, "--repair-type is required.");
          PrintStream out = probe.output().out;
  
          if (probe.isAutoRepairDisabled())
          {
              out.println("Auto-repair is not enabled");
              return;
          }
  
          TableBuilder table = new TableBuilder();
          table.add("Active Repairs");
          Set<String> ongoingRepairHostIds = probe.getAutoRepairOnGoingRepairHostIds(repairType);
          table.add(getSetString(ongoingRepairHostIds));
          table.printTo(out);
      }
  
      private String getSetString(Set<String> hostIds)
      {
          if (hostIds.isEmpty())
          {
              return "NONE";
          }
          StringBuilder sb = new StringBuilder();
          for (String id : hostIds)
          {
              sb.append(id);
              sb.append(",");
          }
          // remove last ","
          sb.setLength(Math.max(sb.length() - 1, 0));
          return sb.toString();
      }
  }
  