In that case I recommend a facade bean in order to do this....
For example, doing this.
Chenming Zhao wrote:
>Dniel,
>
>There is still one problem: the value set by the second user2 updated the
>value of the first user1 before finishing user1's work. I paste the code.
>Please take a look.
>
>public class test
>{
> int numEvents= 5;
>
> public synchronized int test()
> {
> int real=0;
> int eventCounter=0;
>
> while(eventCounter<=numEvents)
> {
> real=eventCounter;
>
> // wait for 0.01 second
> try{wait(10);}
> catch(InterruptedException e){};
> eventCounter++;
> }
> return real;
> }
>
> public synchronized int setNumEvents(int sec)
> {
> numEvents= sec;
> }
>}
>
>For example, I input 200 as the value of numEvents for user1. Before
>finishing user1's task, user2 input 100 as numEvents and begin his work. I
>hope I can get results 200 and 100 respectively. But I got 100 both.
>
>----- Original Message -----
>From: "Daniel Hinojosa" <[EMAIL PROTECTED]>
>To: "Tomcat Users List" <[EMAIL PROTECTED]>
>Sent: Monday, March 25, 2002 11:35 AM
>Subject: Re: Multiple users share java bean?
>
>>If it's a shared bean, sycnchronize it. Make sure that
>>all mutators(Setters) are synchronized, and it would be a bad idea to do
>>that to the
>>accessors (mututors) are synchronized too. If you have more open than
>>private member variables in this bean, make sure they are private.
>>e.g.
>>
>>public void synchronized setName(String name) {
>> .....
>>}
>>
>>--
>>Daniel Hinojosa
>>
>
>
>--
>To unsubscribe: <mailto:[EMAIL PROTECTED]>
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>
>
>
public class TestFacade {
private Test test = null;
public void synchronized process() {
if (test == null) test = new Test();
test.test();
test.setNumEvents(2);
}
}
With this I am pretty sure that you can take the synchronized off of
methods of the Test Object and always use this testFacade before using
your test object.
Hope that helps
--
Daniel Hinojosa
Java & XML: Consultant | Developer | Instructor
P.O. Box 4675
Albuquerque, NM 87196-4675
(505) 363-5832
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