@Override
public void setup(Context context) throws IOException {
Configuration conf = context.getConfiguration();
int num = Integer.parseInt(conf.get("kvNum"));
while (--num >= 0) {
String s = conf.get(String.valueOf(num));
m_kVectors.add(Kvector.fromString(s));
}
}
@Override
public void map(LongWritable key, Text value, Context context)
throws IOException, InterruptedException {
String str = "1\t" + value.toString();
Kvector vector = Kvector.fromString(str);
int code = -1, d = Integer.MAX_VALUE;
for (Kvector e : m_kVectors) {
int t = vector.distance(e);
if (t < d) {
d = t;
code = e.code;
}
}
context.write(new KcodeWritable(code), new Text(str));
}