Java异步任务转同步任务的方式

public T getObjct(T entity,Serializable id){
final Object[] handlers = {null};

final CountDownLatch latch = new CountDownLatch(1);

new Thread(new Runnable() {
@Override
public void run() {
anysget(entity,id,objc->{
handlers[0] = objc;
latch.countDown();
});
}
}).start();
try {
latch.await();
} catch (InterruptedException e) {
e.printStackTrace();
}
return (T)handlers[0];
}