Date: Tue, 12 Jul 2011 13:33:18 -0500
I am wondering how this @Asynchronous annotation is tor work in Glassfish 3.0.1. Currently, this does not produce any type of Asynchronous processing as far as I can tell. Here is my class
@Stateless(name = "Order")
public class Order implements IOrderLocal {
@Override
public void processOrder() {
Future<String> o1 = this.m1();
Future<String> o2 = this.m2();
System.out.println(o1);
System.out.println(o2);
}
@Asynchronous
public Future<String> m1() {
boolean truth = true;
int n = 0;
System.out.println("Inside m1");
while(truth) {
n += 1;
if (100 == n)
truth = false;
System.out.println("Inside m1 loop");
}
System.out.println("About to return m1");
return new javax.ejb.AsyncResult<String>("Hello, Async 1 World!");
}
@Asynchronous
public Future<String> m2() {
System.out.println("About to return m2");
return new javax.ejb.AsyncResult<String>("Hello, Async 2 World!");
}
}
The first time I ran this, I ran a loop 10 times. The result is as follows:
INFO: Inside m1
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: About to return m1
INFO: About to return m2
INFO: javax.ejb.AsyncResult_at_1cf166b2<mailto:javax.ejb.AsyncResult_at_1cf166b2>
INFO: javax.ejb.AsyncResult_at_1cf16add<mailto:javax.ejb.AsyncResult_at_1cf16add>
When I run it 100 times. The result is as follows:
INFO: Inside m1
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: Inside m1 loop
INFO: About to return m1
INFO: About to return m2
INFO: javax.ejb.AsyncResult_at_1cd1d81c<mailto:javax.ejb.AsyncResult_at_1cd1d81c>
INFO: javax.ejb.AsyncResult_at_1cd1f33d<mailto:javax.ejb.AsyncResult_at_1cd1f33d>
In both instances, the second "asynchrous" call is not being executed until the first one is complete. I would like both methods to execute at the same time. Is this a JEE thing or is this a bug in Glassfih 3.0.1?
Russell Collins
Sr. Software Engineer
CoreLogic Spatial Solutions
Direct: 512.977.3206
rcollins_at_corelogic.com<mailto:rcollins_at_corelogic.com>
[cid:1310495009.2038.3.camel_at_watson]
"Do or do not, there is no try." - Yoda
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