com.googlecode.gwt.test.internal.utils.DoubleMap Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of gwt-test-utils Show documentation

There is a newer version: 0.63

package com.googlecode.gwt.test.internal.utils;

import java.util.HashMap;
import java.util.Map;

/**
 * Double-Map implementation. For internal use only.
 *
 * @param 
 * @param 
 * @param 
 * @author Bertrand Paquet
 */
public class DoubleMap {

    private final Map> map;

    public DoubleMap() {
        map = new HashMap>();
    }

    public C get(A a, B b) {
        Map m = map.get(a);
        return m == null ? null : m.get(b);
    }

    public void put(A a, B b, C c) {
        if (map.get(a) == null) {
            map.put(a, new HashMap());
        }
        map.get(a).put(b, c);
    }
}