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.util.HashMap;
  import java.util.Map;
  
  import org.apache.cassandra.tools.NodeProbe;
  
  public class TpStatsHolder implements StatsHolder
  {
      public final NodeProbe probe;
  
      public TpStatsHolder(NodeProbe probe)
      {
          this.probe = probe;
      }
  
      @Override
      public Map<String, Object> convert2Map()
      {
          HashMap<String, Object> result = new HashMap<>();
          HashMap<String, Map<String, Object>> threadPools = new HashMap<>();
          HashMap<String, Object> droppedMessage = new HashMap<>();
          HashMap<String, Double[]> waitLatencies = new HashMap<>();
  
          for (Map.Entry<String, String> tp : probe.getThreadPools().entries())
          {
              HashMap<String, Object> threadPool = new HashMap<>();
              threadPool.put("ActiveTasks", probe.getThreadPoolMetric(tp.getKey(), tp.getValue(), "ActiveTasks"));
              threadPool.put("PendingTasks", probe.getThreadPoolMetric(tp.getKey(), tp.getValue(), "PendingTasks"));
              threadPool.put("CompletedTasks", probe.getThreadPoolMetric(tp.getKey(), tp.getValue(), "CompletedTasks"));
              threadPool.put("CurrentlyBlockedTasks", probe.getThreadPoolMetric(tp.getKey(), tp.getValue(), "CurrentlyBlockedTasks"));
              threadPool.put("TotalBlockedTasks", probe.getThreadPoolMetric(tp.getKey(), tp.getValue(), "TotalBlockedTasks"));
              threadPool.put("CorePoolSize", probe.getThreadPoolMetric(tp.getKey(), tp.getValue(), "CorePoolSize"));
              threadPool.put("MaxPoolSize", probe.getThreadPoolMetric(tp.getKey(), tp.getValue(), "MaxPoolSize"));
              threadPool.put("MaxTasksQueued", probe.getThreadPoolMetric(tp.getKey(), tp.getValue(), "MaxTasksQueued"));
              threadPools.put(tp.getValue(), threadPool);
          }
          result.put("ThreadPools", threadPools);
  
          for (Map.Entry<String, Integer> entry : probe.getDroppedMessages().entrySet())
          {
              String key = entry.getKey();
              droppedMessage.put(key, entry.getValue());
              try
              {
                  waitLatencies.put(key, probe.metricPercentilesAsArray(probe.getMessagingQueueWaitMetrics(key)));
              }
              catch (RuntimeException e)
              {
                  // ignore the exceptions when fetching metrics
              }
          }
  
          result.put("DroppedMessage", droppedMessage);
          result.put("WaitLatencies", waitLatencies);
  
          return result;
      }
  }
  