com.datastax.data.exploration.biz.stat.histogram.HistogramStat Maven / Gradle / Ivy
package com.datastax.data.exploration.biz.stat.histogram;
import com.datastax.data.exploration.biz.datatable.column.DataColumn;
import java.util.List;
public abstract class HistogramStat {
double max;
double min;
List list;
HistogramStat(C column) {
//
}
public List stage() {
return count(new Stage(min, max).split());
}
public List stage(int group) {
return count(new Stage(min, max).split(group));
}
private List count(List data) {
for (int i = 0; i < data.size(); i++) {
count(data.get(i), (i == data.size() - 1));
}
return data;
}
private void count(Object[] objects, boolean last) {
if (objects[0] instanceof Integer) {
objects[2] = count((int)objects[0], (int)objects[1], last);
} else if (objects[0] instanceof Long) {
objects[2] = count((long)objects[0], (long)objects[1], last);
} else if (objects[0] instanceof Double) {
objects[2] = count((double)objects[0], (double)objects[1], last);
}
}
abstract int count(double start, double end, boolean last);
}