D-Net

import com.google.common.collect.Maps;

public class HostedByCounters {

	private Map<String, Integer> counters = Maps.newHashMap();

	public void increaseCounter(final String dsId) {

		int val = counters.containsKey(dsId) ? counters.get(dsId) + 1 : 1;

		counters.put(dsId, val);

	}

	public Map<String, Integer> getCounters() {

		return counters;

	}