Thanks again for the information!

 

We are trying to process very large files and I’ve reviewed the online examples 
that explain that the Smooks mediator should be used to split the larger file 
into smaller files using the smooks configuration <file:outputStream>, with the 
output file name defined in the <file:fileNamePattern>. All the examples show 
the file name pattern derived using data from the record being processed. Is it 
possible to access the source file name? I need the split files to have a name 
that includes the original file name.

 

The expression you mention below returns the original file name, but how can 
this property be access from within the Smooks configuration 
<file:fileNamePattern>?

 

Regards,

- Rudy

 

From: Malaka Silva [mailto:[email protected]] 
Sent: Thursday, August 06, 2015 11:58 AM
To: Rudy Hilado
Cc: WSO2 Developers' List
Subject: Re: [Dev] Pause/restart when processing a large file

 

Hi Rudy,

 

With [1] you can retrieve the processing file name, and with [2] you can set 
the response (out) file name.

 

[1] <property name="Processing_File_Name" 
expression="get-property('transport','FILE_NAME')"  type="STRING"/>

[2] <property name="transport.vfs.ReplyFileName" value="out_response.xml" 
scope="transport" type="STRING"/>

 

On Thu, Aug 6, 2015 at 2:29 PM, Rudy Hilado <[email protected]> 
wrote:

Malaka,

Thanks for the information!

When splitting the larger file into smaller files, how do you create the 
smaller files with a name based on the parent file? For example, if the source 
file is named “documentABC.txt”, I would like the smaller files to be named 
“documentABC_0001.txt” and “documentABC_0002.txt” etc. I’m having a difficult 
time figuring out how to access the name of the current file being processed by 
the VFS listener.

 

Thanks,

- Rudy

 

From: Malaka Silva [mailto:[email protected]] 
Sent: Thursday, August 06, 2015 1:57 AM
To: Rudy Hilado
Cc: WSO2 Developers' List
Subject: Re: [Dev] Pause/restart when processing a large file

 

Hi Rudy,

 

I am afraid currently this is not supported out of the box.

 

However you can achieve your requirement with the following solution.

 

You can split the file and put in a separate folder (One entry in a file). eg:- 
VFS Listerner [3] -> Iterator mediator [4] -> File Connector [1][2]

 

Take one file and process it. eg:- VFS listener [3]

 

Following doc links will help you to do this.

 

[1] 
https://storepreview.wso2.com/store/assets/esbconnector/f0550184-88c4-4d5e-b73f-ea51b1b5ab98

[2] 
https://docs.wso2.com/display/ESBCONNECTORS/Working+with+the+File+Connector#WorkingwiththeFileConnector-create

[3] https://docs.wso2.com/display/ESB481/VFS+Transport

[4] https://docs.wso2.com/display/ESB481/Iterate+Mediator

 

 

On Wed, Aug 5, 2015 at 8:52 PM, Rudy Hilado <[email protected]> 
wrote:


 

Is it possible in the WSO2 ESB to process a large file (with each line 
representing a single record/message), and stop or pause the processing within 
the file, then restart where it left off? (using the Smooks mediator and/or 
Iterate mediator, or any other mechanism)

It appears that if you are processing a large file (say with 10K entries) you 
cannot stop or pause the processing (or if the ESB is brought down in the 
middle of processing the file), and then restart where it was stopped. Upon 
restarting either the whole file has to be reprocessed, or the file is dumped 
to the error folder and skipped. Is this correct?

Thanks for any help on this.

- Rudy

 


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Tel : 94 11 214 5345

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Skype : malaka.sampath.silva

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WSO2, Inc. 

lean . enterprise . middleware 
http://www.wso2.com/

http://www.wso2.com/about/team/malaka-silva/ 
<http://wso2.com/about/team/malaka-silva/> 

 

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-- 

 

Best Regards,


Malaka Silva
Senior Tech Lead
M: +94 777 219 791

Tel : 94 11 214 5345

Fax :94 11 2145300 

Skype : malaka.sampath.silva

LinkedIn : http://www.linkedin.com/pub/malaka-silva/6/33/77

Blog : http://mrmalakasilva.blogspot.com/

 

WSO2, Inc. 

lean . enterprise . middleware 
http://www.wso2.com/

http://www.wso2.com/about/team/malaka-silva/ 
<http://wso2.com/about/team/malaka-silva/> 

 

Save a tree -Conserve nature & Save the world for your future. Print this email 
only if it is absolutely necessary.

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