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package tk.hongkailiu.test.app.java8.lambda.Person;

import com.google.gson.Gson;
import tk.hongkailiu.test.app.util.MathUtil;
import lombok.extern.log4j.Log4j;

import java.time.LocalDate;

/**
 * ref.
 * 
 * https://docs.oracle.com/javase/tutorial/java/javaOO/lambdaexpressions.html
 * 
 * Created by hongkailiu on 2015-04-23.
 */
@Log4j public class Person {

    public enum Sex {
        MALE, FEMALE
    }


    public String name;
    public LocalDate birthday;
    public Sex gender;
    public String emailAddress;
    public int age = -1;

    public int getAge() {
        log.debug("name: " + name + " ==getAge:====");
        if (age == -1) {
            int i = MathUtil.random(30);
            log.debug("i: " + i);
            age = i;
        }
        return age;
    }

    public String toJson() {
        Gson gson = new Gson();
        return gson.toJson(this);
    }

    public void printPerson() {
        log.info(toJson());
    }


}