public override void Reduce(string key, IEnumerable <string> values, ReducerCombinerContext context)
{
string all = "";
foreach (string a in values)
{
all += a;
}
context.EmitLine(all);
}
public override void Reduce(string key, IEnumerable<string> values, ReducerCombinerContext context)
{
try
{
var doubleValues = values.Select(double.Parse).ToList();
var max = doubleValues.Max();
var min = doubleValues.Min();
var avg = doubleValues.Average();
context.EmitKeyValue(string.Format("{0}_max", key), max.ToString(CultureInfo.InvariantCulture));
context.EmitKeyValue(string.Format("{0}_min", key), min.ToString(CultureInfo.InvariantCulture));
context.EmitKeyValue(string.Format("{0}_avg", key), avg.ToString(CultureInfo.InvariantCulture));
}
catch (Exception x)
{
context.EmitLine(x.ToString());
}
}
