/// <summary>The identify function.</summary>
/// <remarks>The identify function. Input key/value pair is written directly to output.
/// </remarks>
/// <exception cref="System.IO.IOException"/>
public virtual void Map(K key, V val, OutputCollector <Org.Apache.Hadoop.IO.Text,
Org.Apache.Hadoop.IO.Text> output, Reporter reporter)
{
FieldSelectionHelper helper = new FieldSelectionHelper(FieldSelectionHelper.emptyText
, FieldSelectionHelper.emptyText);
helper.ExtractOutputKeyValue(key.ToString(), val.ToString(), fieldSeparator, mapOutputKeyFieldList
, mapOutputValueFieldList, allMapValueFieldsFrom, ignoreInputKey, true);
output.Collect(helper.GetKey(), helper.GetValue());
}
// TODO Auto-generated method stub
/// <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)
{
string keyStr = key.ToString() + this.fieldSeparator;
while (values.HasNext())
{
FieldSelectionHelper helper = new FieldSelectionHelper();
helper.ExtractOutputKeyValue(keyStr, values.Next().ToString(), fieldSeparator, reduceOutputKeyFieldList
, reduceOutputValueFieldList, allReduceValueFieldsFrom, false, false);
output.Collect(helper.GetKey(), helper.GetValue());
}
}
