Consume the same file

[Alberto Brosich]

Hi,
I have to consume with the FTP component always the same file but only 
when its size changes.
I read this in the documentation:

Camel 2.11: To use a custom idempotent key. By default the absolute path 
of the file is used. You can use the File Language, for example to use 
the file name and file size, you can do:

idempotentKey=${file:name}-${file:size}

Does it mean that I have to wait camel 2.11 to solve my problem?

Regards

Alberto