Coverage Report - org.apache.giraph.reducers.impl.LongXorReduce
 
Classes in this File Line Coverage Branch Coverage Complexity
LongXorReduce
0%
0/9
N/A
1
 
 1  
 /*
 2  
  * Licensed to the Apache Software Foundation (ASF) under one
 3  
  * or more contributor license agreements.  See the NOTICE file
 4  
  * distributed with this work for additional information
 5  
  * regarding copyright ownership.  The ASF licenses this file
 6  
  * to you under the Apache License, Version 2.0 (the
 7  
  * "License"); you may not use this file except in compliance
 8  
  * with the License.  You may obtain a copy of the License at
 9  
  *
 10  
  *     http://www.apache.org/licenses/LICENSE-2.0
 11  
  *
 12  
  * Unless required by applicable law or agreed to in writing, software
 13  
  * distributed under the License is distributed on an "AS IS" BASIS,
 14  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15  
  * See the License for the specific language governing permissions and
 16  
  * limitations under the License.
 17  
  */
 18  
 
 19  
 package org.apache.giraph.reducers.impl;
 20  
 
 21  
 import java.io.DataInput;
 22  
 import java.io.DataOutput;
 23  
 import java.io.IOException;
 24  
 import org.apache.giraph.reducers.ReduceSameTypeOperation;
 25  
 import org.apache.hadoop.io.LongWritable;
 26  
 
 27  
 /**
 28  
  * ReduceOperation that XORs (^) values together.
 29  
  */
 30  0
 public class LongXorReduce extends ReduceSameTypeOperation<LongWritable> {
 31  
   /**
 32  
    * Long XOR, equivalent to l1 ^ l2
 33  
    */
 34  0
   public static final LongXorReduce INSTANCE = new LongXorReduce();
 35  
 
 36  
   /** Constructor used for deserialization only */
 37  0
   public LongXorReduce() {
 38  0
   }
 39  
 
 40  
   @Override public LongWritable createInitialValue() {
 41  0
     return new LongWritable(0L);
 42  
   }
 43  
 
 44  
   @Override public LongWritable reduce(LongWritable curValue,
 45  
       LongWritable valueToReduce) {
 46  0
     curValue.set(curValue.get() ^ valueToReduce.get());
 47  0
     return curValue;
 48  
   }
 49  
 
 50  
   @Override public void write(DataOutput out) throws IOException {
 51  0
   }
 52  
 
 53  
   @Override public void readFields(DataInput in) throws IOException {
 54  0
   }
 55  
 }