Enum getByValue example

FooEnum.java

public enum FooEnum {
    /**
     * foo
     */
    FOO(0, "foo"),
    /**
     * bar
     */
    BAR(0, "bar");

    /**
     * enum value
     */
    private final int value;
    /**
     * enum desc
     */
    private final String desc;

    FooEnum(int value, String desc) {
        this.value = value;
        this.desc = desc;
    }

    /**
     * get value
     *
     * @return value
     */
    public int getValue() {
        return this.value;
    }

    /**
     * get desc
     *
     * @return desc
     */
    public String getDesc() {
        return desc;
    }

    /**
     * static map {'key': 'value', 'value': 'FooEnum'}
     */
    private static final Map<Integer, FooEnum> MAP = Arrays.stream(FooEnum.values())
            .collect(Collectors.toMap(FooEnum::getValue, e -> e));

    /**
     * get FooEnum by value
     *
     * @param value value
     * @return FooEnum
     */
    public static FooEnum getByValue(int value) {
        return MAP.get(value);
    }
}