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| Compute Node,ESQL |
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| george777888 |
 Posted: Wed Apr 25, 2018 2:43 am Post subject: Compute Node,ESQL |
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Newbie
Joined: 25 Apr 2018
Posts: 4
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Hi guys ,
I have HttpInput_Node(XMLNSC message domain)-->ComputeNode-->HTTPReply.
While sending a message ,for e.g, <request>1</request> ,and want to *caught* this expression in Compute Node using ESQL language ,but don't know how ,and afterwards make statement ,IF request is 1 => OK , reply=>OK, ELSE -->KO.
Could you give me any advices or ideas how to perfom it with ESQL ? |
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| Vitor |
| Posted: Wed Apr 25, 2018 5:02 am Post subject: Re: Compute Node,ESQL |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| george777888 wrote: |
| want to *caught* this expression in Compute Node using ESQL language |
Why?
| george777888 wrote: |
| Could you give me any advices or ideas how to perfom it with ESQL ? |
Yes - don't.
Use the Catch terminal on the HTTPInput node or put a Try/Catch node in front of the Compute node.
Then code ESQL to handle the logic you outline.
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| george777888 |
| Posted: Wed Apr 25, 2018 6:05 am Post subject: Re: Compute Node,ESQL |
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Newbie
Joined: 25 Apr 2018
Posts: 4
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| Vitor wrote: |
| george777888 wrote: |
| want to *caught* this expression in Compute Node using ESQL language |
Why?
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Pretty much good question,why.
The logic that I've "got" is to perfrom authentication process ,using hard coded credentials pre-defined in ESQL node -->wired with HTTReply.
Every time ,when we send <request>message</request> from HTTPInput (username+password),using the XMLNSC message domain ,to Compute Node ,it has to *recieve request* and validate (using ESQL code) ,giving proper HTTP_REPLY or 200 or 201.
| Quote: |
Yes - don't.
Use the Catch terminal on the HTTPInput node or put a Try/Catch node in front of the Compute node.
Then code ESQL to handle the logic you outline. |
Will try.Thanks for advice . |
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| Vitor |
| Posted: Wed Apr 25, 2018 6:27 am Post subject: Re: Compute Node,ESQL |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| george777888 wrote: |
| Pretty much good question,why. |
I meant more "why" in the sense of "why ESQL rather than a Catch terminal"?
Good luck.
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Insanity is the best defence. |
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