import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class ThreadScope {
private static int data = 0;
private static Map<Thread,Integer> threadMap = new HashMap<Thread,Integer>();
private static ThreadLocal<Integer> t = new ThreadLocal<Integer>();
public static void main(String[] args) {
ExecutorService es = Executors.newCachedThreadPool();
for(int i=0;i<10;i++){
es.execute/*new Thread*/(new Runnable(){
@Override
public void run() {
int data =new Random().nextInt();
System.out.println(Thread.currentThread().getName()+"Main out data : "+data);
//threadMap.put(Thread.currentThread().getName(), data);
// t.set(data);
ThreadLocalInstance instance = ThreadLocalInstance.getInstance();
instance.setName("zhangsan");
instance.setAge(data);
new A().ap();
new B().ap();
}
})/*.start()*/;
}
}
static class A{
// int data = threadMap.get(Thread.currentThread().getName());
// int data = t.get();
ThreadLocalInstance instance = ThreadLocalInstance.getInstance();
String name = instance.getName();
int age = instance.getAge();
private void ap(){
System.out.println(Thread.currentThread().getName()+" A out data : "+data+"[ name :"+name +",age: "+age+"]");
}
}
static class B{
// int data = threadMap.get(Thread.currentThread().getName());
// int data = t.get();
ThreadLocalInstance instance = ThreadLocalInstance.getInstance();
String name = instance.getName();
int age = instance.getAge();
private void ap(){
System.out.println(Thread.currentThread().getName()+" B out data : "+data+"[ name :"+name +",age: "+age+"]");
}
}
static class ThreadLocalInstance{
private static ThreadLocal<ThreadLocalInstance> t = new ThreadLocal<ThreadLocalInstance>();
private ThreadLocalInstance(){}
public static ThreadLocalInstance getInstance(){
ThreadLocalInstance ins = t.get();
if(ins == null){
ins = new ThreadLocalInstance();
t.set(ins);
}
return ins;
}
private String name;
private int age;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
}
