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 storm.trident.operation.impl;
  
  import java.util.List;
  import storm.trident.operation.TridentCollector;
  import storm.trident.tuple.ComboList;
  
  public class GroupCollector implements TridentCollector {
      public List<Object> currGroup;
  
      ComboList.Factory _factory;
      TridentCollector _collector;
  
      public GroupCollector(TridentCollector collector, ComboList.Factory factory) {
          _factory = factory;
          _collector = collector;
      }
  
      @Override
      public void emit(List<Object> values) {
          List[] delegates = new List[2];
          delegates[0] = currGroup;
          delegates[1] = values;
          _collector.emit(_factory.create(delegates));
      }
  
      @Override
      public void reportError(Throwable t) {
          _collector.reportError(t);
      }
  
  }
  