/// <exception cref="System.IO.IOException"/>
public virtual void Reduce(Org.Apache.Hadoop.IO.Text key, IEnumerator <Org.Apache.Hadoop.IO.Text
> values, OutputCollector <Org.Apache.Hadoop.IO.Text, Org.Apache.Hadoop.IO.Text>
output, Reporter reporter)
{
float reducePhaseProgress = ((float)++recordCount) / InputLines;
float weightedReducePhaseProgress = reducePhaseProgress * ReduceProgressRange;
NUnit.Framework.Assert.AreEqual("Invalid progress in reduce", ShuffleProgressRange
+ weightedReducePhaseProgress, reporter.GetProgress(), 0.02f);
this.reporter = reporter;
}
/// <summary>test Reporter.NULL</summary>
public virtual void TestReporter()
{
Reporter nullReporter = Reporter.Null;
NUnit.Framework.Assert.IsNull(nullReporter.GetCounter(null));
NUnit.Framework.Assert.IsNull(nullReporter.GetCounter("group", "name"));
// getInputSplit method removed
try
{
NUnit.Framework.Assert.IsNull(nullReporter.GetInputSplit());
}
catch (NotSupportedException e)
{
NUnit.Framework.Assert.AreEqual("NULL reporter has no input", e.Message);
}
NUnit.Framework.Assert.AreEqual(0, nullReporter.GetProgress(), 0.01);
}
public override float GetProgress()
{
return(reporter.GetProgress());
}
/// <exception cref="System.IO.IOException"/>
public override void Close()
{
base.Close();
NUnit.Framework.Assert.AreEqual("Invalid progress in map cleanup", progressRange,
reporter.GetProgress(), 0f);
}
/// <exception cref="System.IO.IOException"/>
public virtual void Map(LongWritable key, Text value, OutputCollector <Text, Text>
output, Reporter reporter)
{
this.reporter = reporter;
// calculate the actual map progress
float mapProgress = ((float)++numRecords) / InputLines;
// calculate the attempt progress based on the progress range
float attemptProgress = progressRange * mapProgress;
NUnit.Framework.Assert.AreEqual("Invalid progress in map", attemptProgress, reporter
.GetProgress(), 0f);
output.Collect(new Text(value.ToString() + numRecords), value);
}
/// <exception cref="System.IO.IOException"/>
public override void Close()
{
base.Close();
NUnit.Framework.Assert.AreEqual("Invalid progress in reduce cleanup", 1.0f, reporter
.GetProgress(), 0f);
}
