camel-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From vishal1981 <vishal.changr...@ericsson.com>
Subject RE: Preventing reading of a large XML file in memory
Date Tue, 17 Jul 2012 05:11:31 GMT
sweet..thanks a ton!

________________________________
From: Claus Ibsen-2 [via Camel] [mailto:ml-node+s465427n5716143h59@n5.nabble.com]
Sent: Tuesday, July 17, 2012 1:10 AM
To: Vishal Changrani
Subject: Re: Preventing reading of a large XML file in memory

On Tue, Jul 17, 2012 at 6:47 AM, vishal1981
<[hidden email]</user/SendEmail.jtp?type=node&node=5716143&i=0>> wrote:
> Thanks again.
> I am using something like the following,
>
> from(file.......).to(ejb:cms/CamelToPluginAdaptor/local?method=process(${header.CamelFileAbsolutePath},${properties:outbox}/${header.PROVIDER_ID}.xml,${header.PROVIDER_ID})
>
> Where cms/CamelToPluginAdaptor /local is my EJB.
>
> Will that prevent reading the whole file in memory?
>

Yes the parameters for the method call, does not require to content of
the file, so Camel will not load it.

>
>
> ________________________________
> From: Claus Ibsen-2 [via Camel] [mailto:[hidden email]</user/SendEmail.jtp?type=node&node=5716143&i=1>]
> Sent: Tuesday, July 17, 2012 12:43 AM
> To: Vishal Changrani
> Subject: Re: Preventing reading of a large XML file in memory
>
> On Tue, Jul 17, 2012 at 6:18 AM, vishal1981
> <[hidden email]</user/SendEmail.jtp?type=node&node=5716140&i=0>>
wrote:
>> Thanks.  I read about the working directory and thats exactly what I was looking
for. thank you.
>> Yet to try it though.
>> However, what if I want the same behaviour for File. i.e. File ->Bean (no FTP).
I dont want the file component to read the whole file just pass along the file path to the
bean?
>> Is there something similiar for File component?
>>
>
> Yes as the file component only stores the handle to the file. And only
> read it on demand.
> So in your bean, just pass in java.io.File, or a FileInputStream,
> InputStream etc.
>
>>
>> ________________________________
>> From: Claus Ibsen-2 [via Camel] [mailto:[hidden email]</user/SendEmail.jtp?type=node&node=5716140&i=1>]
>> Sent: Monday, July 16, 2012 2:54 PM
>> To: Vishal Changrani
>> Subject: Re: Preventing reading of a large XML file in memory
>>
>> Sorry it was the ftp endpoint i meant
>>
>> On Monday, July 16, 2012, vishal1981 wrote:
>>
>>> Thanks for the reply.
>>> So is it compulsory to use a JMS Endpoint to prevent Camel from reading the
>>> whole message in memory?
>>> What is to my bean I dont pass the message body as a parameter but just
>>> then
>>> filename? Will that prevent Camel from loading the whole message in memory
>>> before calling my bean method?
>>> i.e. from(ftp.....).to(bean(MyBean.class,
>>> "doSomething(${header.CamelFileName})")
>>> (am using Camel 2.9)
>>>
>>>
>>> --
>>> View this message in context:
>>> http://camel.465427.n5.nabble.com/Preventing-reading-of-a-large-XML-file-in-memory-tp5716064p5716083.html
>>> Sent from the Camel - Users mailing list archive at Nabble.com.
>>>
>>
>>
>> --
>> Claus Ibsen
>> -----------------
>> FuseSource
>> Email: [hidden email]</user/SendEmail.jtp?type=node&node=5716115&i=0>
>> Web: http://fusesource.com
>> Twitter: davsclaus, fusenews
>> Blog: http://davsclaus.com
>> Author of Camel in Action: http://www.manning.com/ibsen
>>
>>
>> ________________________________
>> If you reply to this email, your message will be added to the discussion below:
>>
>> NAML<http://camel.465427.n5.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml>
>>
>>
>> --
>> View this message in context: http://camel.465427.n5.nabble.com/Preventing-reading-of-a-large-XML-file-in-memory-tp5716064p5716139.html
>> Sent from the Camel - Users mailing list archive at Nabble.com.
>
>
>
> --
> Claus Ibsen
> -----------------
> FuseSource
> Email: [hidden email]</user/SendEmail.jtp?type=node&node=5716140&i=2>
> Web: http://fusesource.com
> Twitter: davsclaus, fusenews
> Blog: http://davsclaus.com
> Author of Camel in Action: http://www.manning.com/ibsen
>
>
> ________________________________
> If you reply to this email, your message will be added to the discussion below:
>
> NAML<http://camel.465427.n5.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml>
>
>
> --
> View this message in context: http://camel.465427.n5.nabble.com/Preventing-reading-of-a-large-XML-file-in-memory-tp5716064p5716141.html
> Sent from the Camel - Users mailing list archive at Nabble.com.



--
Claus Ibsen
-----------------
FuseSource
Email: [hidden email]</user/SendEmail.jtp?type=node&node=5716143&i=2>
Web: http://fusesource.com
Twitter: davsclaus, fusenews
Blog: http://davsclaus.com
Author of Camel in Action: http://www.manning.com/ibsen


________________________________
If you reply to this email, your message will be added to the discussion below:
http://camel.465427.n5.nabble.com/Preventing-reading-of-a-large-XML-file-in-memory-tp5716064p5716143.html
To unsubscribe from Preventing reading of a large XML file in memory, click here<http://camel.465427.n5.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=5716064&code=dmlzaGFsLmNoYW5ncmFuaUBlcmljc3Nvbi5jb218NTcxNjA2NHwxNTgwMjU0NDcx>.
NAML<http://camel.465427.n5.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml>


--
View this message in context: http://camel.465427.n5.nabble.com/Preventing-reading-of-a-large-XML-file-in-memory-tp5716064p5716144.html
Sent from the Camel - Users mailing list archive at Nabble.com.
Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message