package plp.sort;

public class SortableDataStatistic implements SortableData {

    private SortableData data;

    int nswap;
    int ncompare;
    int naccess;

    public SortableDataStatistic(SortableData data) {
	this.data = data;
	nswap = ncompare = naccess = 0;
    }

    public int length() {
	return data.length();
    }

    public void swap(int i, int j) {
	nswap++;
	data.swap(i, j);
    }

    public Object access(int i) {
	naccess++;
	return data.access(i);
    }

    public int compare(int i, int j) {
	ncompare++;
	return data.compare(i, j);
    }

    public int getAccessStat() {
	return naccess;
    }

    public int getSwapStat() {
	return nswap;
    }

    public int getCompareStat() {
	return ncompare;
    }
}