FireAndForgetBean.java

package com.acme.cdiejb.async;

import javax.ejb.Asynchronous;
import javax.ejb.Local;
import javax.ejb.Stateless;

@Stateless
@Local(FireAndForget.class)
public class FireAndForgetBean implements FireAndForget {
    @Override
    @Asynchronous
    public void fire(long busy) {
        try {
            Thread.sleep(busy);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

}