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   * distributed with this work for additional information
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   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
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   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
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   * 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 org.apache.cassandra.tools.NodeProbe;
  import org.apache.cassandra.tools.nodetool.layout.CassandraUsage;
  import picocli.CommandLine.Command;
  import picocli.CommandLine.Parameters;
  
  import static com.google.common.base.Preconditions.checkArgument;
  import static org.apache.cassandra.tools.nodetool.CommandUtils.parsePartitionKeys;
  import static org.apache.cassandra.tools.nodetool.CommandUtils.concatArgs;
  
  @Command(name = "forcecompact", description = "Force a (major) compaction on a table")
  public class ForceCompact extends AbstractCommand
  {
      @CassandraUsage(usage = "[<keyspace> <table> <keys>]", description = "The keyspace, table, and a list of partition keys ignoring the gc_grace_seconds")
      private List<String> args = new ArrayList<>();
  
      @Parameters(index = "0", description = "The keyspace name to compact", arity = "0..1")
      private String keyspace;
  
      @Parameters(index = "1", description = "The table name to compact", arity = "0..1")
      private String table;
  
      @Parameters(index = "2..*", description = "The partition keys to compact", arity = "0..*")
      private String[] keys;
  
      @Override
      public void execute(NodeProbe probe)
      {
          args = concatArgs(keyspace, table, keys);
          // Check if the input has valid size
          checkArgument(args.size() >= 3, "forcecompact requires keyspace, table and keys args");
  
          // We rely on lower-level APIs to check and throw exceptions if the input keyspace or table name are invalid
          String keyspaceName = args.get(0);
          String tableName = args.get(1);
          String[] partitionKeysIgnoreGcGrace = parsePartitionKeys(args);
  
          try
          {
              probe.forceCompactionKeysIgnoringGcGrace(keyspaceName, tableName, partitionKeysIgnoreGcGrace);
          }
          catch (Exception e)
          {
              throw new RuntimeException("Error occurred during compaction keys", e);
          }
      }
  }