public void reduce(
IntPair key,
Iterator<NullWritable> values,
OutputCollector<IntPair, NullWritable> output,
Reporter reporter)
throws IOException {
/*[*/ output.collect(key, NullWritable.get()); /*]*/
}
public void map(
LongWritable key,
Text value,
OutputCollector<IntPair, NullWritable> output,
Reporter reporter)
throws IOException {
parser.parse(value);
if (parser.isValidTemperature()) {
/*[*/ output.collect(
new IntPair(parser.getYearInt(), +parser.getAirTemperature()),
NullWritable.get()); /*]*/
}
}
@SuppressWarnings("unchecked")
public void reduce(
Text key,
Iterator<Text> values,
OutputCollector<NullWritable, Text> output,
Reporter reporter)
throws IOException {
OutputCollector collector =
multipleOutputs.getCollector("station", key.toString().replace("-", ""), reporter);
while (values.hasNext()) {
collector.collect(NullWritable.get(), values.next());
}
}