package ru.ref;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Method;

public class TestIntRange {


    public static void main(String... str) throws Exception {
        setInt(2);
        setInt(5);
    }

    @IntRange(value1 = 1, value2 = 2, value3 = 3)
    public static void setInt(int a) throws Exception {
        Method method = TestIntRange.class.getMethod("setInt", int.class);
        IntRange intRange = method.getAnnotation(IntRange.class);
        if (intRange.value1() == a || intRange.value2() == a || intRange.value3() == a) {
            System.out.println("Число подходит " + a);
        } else {
            System.out.println("Число не подходит " + a);
        }
    }

    @Target(ElementType.METHOD)
    @Retention(RetentionPolicy.RUNTIME)
    @interface IntRange {

        int value1();

        int value2();

        int value3();
    }
}