/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
private void WriteToQueue(KEYOUT key, VALUEOUT value)
{
this.keyout = (KEYOUT)ReflectionUtils.NewInstance(keyClass, conf);
this.valueout = (VALUEOUT)ReflectionUtils.NewInstance(valueClass, conf);
ReflectionUtils.Copy(conf, key, this.keyout);
ReflectionUtils.Copy(conf, value, this.valueout);
// wait to write output to queuue
outputQueue.Enqueue(new Chain.KeyValuePair <KEYOUT, VALUEOUT>(keyout, valueout));
}
/// <summary>Write key value to an output file name.</summary>
/// <remarks>
/// Write key value to an output file name.
/// Gets the record writer from job's output format.
/// Job's output format should be a FileOutputFormat.
/// </remarks>
/// <param name="key">the key</param>
/// <param name="value">the value</param>
/// <param name="baseOutputPath">
/// base-output path to write the record to.
/// Note: Framework will generate unique filename for the baseOutputPath
/// </param>
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
public virtual void Write(KEYOUT key, VALUEOUT value, string baseOutputPath)
{
CheckBaseOutputPath(baseOutputPath);
if (jobOutputFormatContext == null)
{
jobOutputFormatContext = new TaskAttemptContextImpl(context.GetConfiguration(), context
.GetTaskAttemptID(), new MultipleOutputs.WrappedStatusReporter(context));
}
GetRecordWriter(jobOutputFormatContext, baseOutputPath).Write(key, value);
}
/// <summary>Writes a key/value pair.</summary>
/// <param name="key">the key to write.</param>
/// <param name="value">the value to write.</param>
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
public override void Write(KEYOUT key, VALUEOUT value)
{
if (outputQueue != null)
{
WriteToQueue(key, value);
}
else
{
outputContext.Write(key, value);
}
}
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
public virtual void Write(KEYOUT key, VALUEOUT value)
{
output.Write(key, value);
}
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
public override void Write(KEYOUT key, VALUEOUT value)
{
this.reduceContext.Write(key, value);
}