SampleEnum

import java.util.HashMap;

public enum SampleEnum {
    AAA(1),
    BBB(2),
    CCC(3);

    public static final int SIZE = java.lang.Integer.SIZE;

    private int intValue;
    private static HashMap<Integer, SampleEnum> mappings = new HashMap<>();

    private static HashMap<Integer, SampleEnum> getMappings() {
        return mappings;
    }

    SampleEnum(int value) {
        intValue = value;
        getMappings().put(value, this);
    }

    public int getValue() {
        return intValue;
    }

    public static SampleEnum forValue(int value) {
        return getMappings().get(value);
    }
}