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 com.alibaba.graphscope.example.giraph.aggregator;
  
  import com.alibaba.graphscope.example.giraph.writable.MultipleLongWritable;
  
  import org.apache.giraph.aggregators.BasicAggregator;
  import org.apache.hadoop.io.LongWritable;
  
  /**
   * Aggregator for summing up long values.
   */
  public class MultipleLongWritableAggregator extends BasicAggregator<MultipleLongWritable> {
  
      @Override
      public void aggregate(MultipleLongWritable value) {
          getAggregatedValue().set(getAggregatedValue().get() + value.get());
      }
  
      @Override
      public MultipleLongWritable createInitialValue() {
          return new MultipleLongWritable(new LongWritable(0), 1000000);
      }
  }
  