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| [SOLVED] ExecutionSession ping |
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| Liquid |
 Posted: Fri Feb 02, 2007 4:41 am Post subject: [SOLVED] ExecutionSession ping |
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Acolyte
Joined: 08 Sep 2004
Posts: 52
Location: Hungary, Europe
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Hello!
Is there anybody who used the isLoggedOn() method on the ExecutionService object in Java?
I'd like to write a kind of "ping" method for checking if an already established execution service connection is still alive or not.
For this reason, I call the refresh() method first and then the isLoggedOn() method.
My question is:
1) is it a sufficient way to check that the execution service is still connected to the wf server?
2) how resource consuming is this? I mean how many time these calls need?
Thanks in advance,
Horvath Robert Mark
Last edited by Liquid on Wed Feb 07, 2007 2:49 am; edited 1 time in total |
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| jmac |
| Posted: Fri Feb 02, 2007 6:37 am Post subject: |
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Jedi Knight
Joined: 27 Jun 2001
Posts: 3081
Location: EmeriCon, LLC
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If I understand correctly, this is something I have done, and it is not terribly expensive. The refresh() is the expensive piece, as it does a roundtrip to the Server, but then the isLoggedOn() only checks the local ES.
I do not know that it is documented exactly what this costs in BWU, but it certainly should be NO MORE expensive than a logon call, and I suspect it would be less.
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John McDonald
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| Liquid |
| Posted: Mon Feb 05, 2007 7:31 am Post subject: |
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Acolyte
Joined: 08 Sep 2004
Posts: 52
Location: Hungary, Europe
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Hello JMac!
My assumption was the same what you confirmed now. So, probably this is right 
Thanks,
Liquid |
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| tsrisudh |
| Posted: Mon Feb 05, 2007 5:21 pm Post subject: |
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Centurion
Joined: 11 Aug 2005
Posts: 113
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Same is my experience, when you only have isLoggedOn() without the refresh the results are not correct, so it is required to put a refresh() before this, and though refresh is costly it avoids lot of other problems like max handles getting reached etc, because of multiple logins.
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Srisudhir Tadepalli |
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