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.stats;
  
  import java.io.PrintStream;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.cassandra.tools.nodetool.formatter.TableBuilder;
  
  import static com.google.common.collect.Iterables.toArray;
  
  public class CompactionHistoryPrinter
  {
      public static StatsPrinter from(String format)
      {
          switch (format)
          {
              case "json":
                  return new StatsPrinter.JsonPrinter();
              case "yaml":
                  return new StatsPrinter.YamlPrinter();
              default:
                  return new DefaultPrinter();
          }
  
      }
  
      public static class DefaultPrinter implements StatsPrinter<CompactionHistoryHolder>
      {
          @Override
          public void print(CompactionHistoryHolder data, PrintStream out)
          {
  
              out.println("Compaction History: ");
              Map<String, Object> convertData = data.convert2Map();
              List<Object> compactionHistories = convertData.get("CompactionHistory") instanceof List<?> ? (List)convertData.get("CompactionHistory") : Collections.emptyList();
              List<String> indexNames = data.indexNames;
  
              if (compactionHistories.size() == 0) {
                  out.printf("There is no compaction history");
                  return;
              }
  
              TableBuilder table = new TableBuilder();
  
              table.add(toArray(indexNames, String.class));
              for (Object chr : compactionHistories)
              {
                  Map value = chr instanceof Map<?, ?> ? (Map)chr : Collections.emptyMap();
                  String[] obj = new String[8];
                  obj[0] = (String)value.get("id");
                  obj[1] = (String)value.get("keyspace_name");
                  obj[2] = (String)value.get("columnfamily_name");
                  obj[3] = (String)value.get("compacted_at");
                  obj[4] = value.get("bytes_in").toString();
                  obj[5] = value.get("bytes_out").toString();
                  obj[6] = (String)value.get("rows_merged");
                  obj[7] = (String)value.get("compaction_properties");
                  table.add(obj);
              }
              table.printTo(out);
          }
      }
  }
  