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.streaming.management;
  
  import java.util.HashMap;
  import java.util.Map;
  import javax.management.openmbean.CompositeData;
  import javax.management.openmbean.CompositeDataSupport;
  import javax.management.openmbean.CompositeType;
  import javax.management.openmbean.OpenDataException;
  import javax.management.openmbean.OpenType;
  import javax.management.openmbean.SimpleType;
  
  import com.google.common.collect.ImmutableList;
  
  import org.apache.cassandra.schema.TableId;
  import org.apache.cassandra.streaming.StreamSummary;
  
  /**
   */
  public class StreamSummaryCompositeData
  {
      private static final String[] ITEM_NAMES = new String[]{"tableId",
                                                              "files",
                                                              "totalSize"};
      private static final String[] ITEM_DESCS = new String[]{"ColumnFamilu ID",
                                                              "Number of files",
                                                              "Total bytes of the files"};
      private static final OpenType<?>[] ITEM_TYPES = new OpenType[]{SimpleType.STRING,
                                                                     SimpleType.INTEGER,
                                                                     SimpleType.LONG};
  
      public static final CompositeType COMPOSITE_TYPE;
      static
      {
          try
          {
              COMPOSITE_TYPE = new CompositeType(StreamSummary.class.getName(),
                                                 "StreamSummary",
                                                 ITEM_NAMES,
                                                 ITEM_DESCS,
                                                 ITEM_TYPES);
          }
          catch (OpenDataException e)
          {
              throw new RuntimeException(e);
          }
      }
  
      public static CompositeData toCompositeData(StreamSummary streamSummary)
      {
          Map<String, Object> valueMap = new HashMap<>();
          valueMap.put(ITEM_NAMES[0], streamSummary.tableId.toString());
          valueMap.put(ITEM_NAMES[1], streamSummary.files);
          valueMap.put(ITEM_NAMES[2], streamSummary.totalSize);
          try
          {
              return new CompositeDataSupport(COMPOSITE_TYPE, valueMap);
          }
          catch (OpenDataException e)
          {
              throw new RuntimeException(e);
          }
      }
  
      public static StreamSummary fromCompositeData(CompositeData cd)
      {
          Object[] values = cd.getAll(ITEM_NAMES);
          return new StreamSummary(TableId.fromString((String) values[0]),
                                   ImmutableList.of(),
                                   (int) values[1],
                                   (long) values[2]);
      }
  }
  