/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
protected internal override void Setup(Reducer.Context context)
{
Configuration conf = context.GetConfiguration();
this.fieldSeparator = conf.Get(FieldSelectionHelper.DataFieldSeperator, "\t");
this.reduceOutputKeyValueSpec = conf.Get(FieldSelectionHelper.ReduceOutputKeyValueSpec
, "0-:");
allReduceValueFieldsFrom = FieldSelectionHelper.ParseOutputKeyValueSpec(reduceOutputKeyValueSpec
, reduceOutputKeyFieldList, reduceOutputValueFieldList);
Log.Info(FieldSelectionHelper.SpecToString(fieldSeparator, reduceOutputKeyValueSpec
, allReduceValueFieldsFrom, reduceOutputKeyFieldList, reduceOutputValueFieldList
));
}
/// <exception cref="System.IO.IOException"/>
/// <exception cref="System.Exception"/>
protected internal override void Setup(Mapper.Context context)
{
Configuration conf = context.GetConfiguration();
this.fieldSeparator = conf.Get(FieldSelectionHelper.DataFieldSeperator, "\t");
this.mapOutputKeyValueSpec = conf.Get(FieldSelectionHelper.MapOutputKeyValueSpec,
"0-:");
try
{
this.ignoreInputKey = typeof(TextInputFormat).GetCanonicalName().Equals(context.GetInputFormatClass
().GetCanonicalName());
}
catch (TypeLoadException e)
{
throw new IOException("Input format class not found", e);
}
allMapValueFieldsFrom = FieldSelectionHelper.ParseOutputKeyValueSpec(mapOutputKeyValueSpec
, mapOutputKeyFieldList, mapOutputValueFieldList);
Log.Info(FieldSelectionHelper.SpecToString(fieldSeparator, mapOutputKeyValueSpec,
allMapValueFieldsFrom, mapOutputKeyFieldList, mapOutputValueFieldList) + "\nignoreInputKey:"
+ ignoreInputKey);
}