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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.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  import java.util.Set;
  
  import org.apache.cassandra.tools.NodeProbe;
  import org.apache.cassandra.tools.nodetool.layout.CassandraUsage;
  import picocli.CommandLine.Command;
  import picocli.CommandLine.Option;
  import picocli.CommandLine.Parameters;
  
  import static com.google.common.base.Preconditions.checkArgument;
  import static org.apache.cassandra.tools.nodetool.CommandUtils.concatArgs;
  
  @Command(name = "getsstables", description = "Print the sstable filenames that own the key")
  public class GetSSTables extends AbstractCommand
  {
      @Option(paramLabel = "hex_format",
              names = { "-hf", "--hex-format" },
              description = "Specify the key in hexadecimal string format")
      private boolean hexFormat = false;
  
      @Option(names = { "-l", "--show-levels" }, description = "If the table is using leveled compaction the level of each sstable will be included in the output (Default: false)")
      private boolean showLevels = false;
  
      @CassandraUsage(usage = "<keyspace> <cfname> <key>", description = "The keyspace, the column family, and the key")
      private List<String> args = new ArrayList<>();
  
      @Parameters(paramLabel = "keyspace", index = "0", arity = "0..1", description = "The keyspace")
      private String keyspace;
  
      @Parameters(paramLabel = "cfname", index = "1", arity = "0..1", description = "The column family")
      private String cfname;
  
      @Parameters(paramLabel = "key", index = "2", arity = "0..1", description = "The key")
      private String key;
  
      @Override
      public void execute(NodeProbe probe)
      {
          args = concatArgs(keyspace, cfname, key);
  
          checkArgument(args.size() == 3, "getsstables requires ks, cf and key args");
          String ks = args.get(0);
          String cf = args.get(1);
          String key = args.get(2);
  
          if (showLevels && probe.isLeveledCompaction(ks, cf))
          {
              Map<Integer, Set<String>> sstables = probe.getSSTablesWithLevel(ks, cf, key, hexFormat);
              for (Integer level : sstables.keySet())
                  for (String sstable : sstables.get(level))
                      probe.output().out.println(level + ": " + sstable);
          } else
          {
              List<String> sstables = probe.getSSTables(ks, cf, key, hexFormat);
              for (String sstable : sstables)
              {
                  probe.output().out.println(sstable);
              }
          }
      }
  }
  