On Tue, May 18, 2010 at 05:26:53AM -0700, hansen wang wrote:
>
> I want to get the fields information from a workitem
> eg:
> { "_rev":0,
> "put_at":"2010-05-14 09:50:41.505516 UTC",
> "participant_name":"requestor",
> "wfid":"20100514-bimakeroni",
> "_id":"wi!0_0_0_0!!20100514-bimakeroni",
> "fields":
> {"address":"[email protected]",
> "dispatched_at":"2010-05-14 09:50:41.502761 UTC",
> "params":
> {"task":"upload_account_application_form",
> "ref":"requestor"
> },
> "object_id":17,
> "object_type":"email"
> },
> "type":"workitems",
> "fei":
> {"sub_wfid":null,
> "wfid":"20100514-bimakeroni",
> "engine_id":"engine",
> "expid":"0_0_0_0"
> }
> }
>
> in this file ,I want to get
> 'address','task,'ref','object_id','object_type' information. I try to
> use JSON.parser(workitem)
> but I'm fail.
Hello,
at first a piece of advice, it would be easier for you to ask the workitem via
the StorageParticipant.
I have the impression you are doing something wrong.
Now, I will reply anyway.
you can do
---8<---
workitem = Ruote::Workitem.new(Rufus::Json.decode(workitem))
address = workitem.fields['address']
task = workitem.fields['params']['task']
ref = workitem.fields['params']['ref']
object_id = workitem.fields['object_id']
object_type = workitem.fields['object_type']
--->8---
you could also do
---8<---
workitem = Rufus::Json.decode(workitem)
address = workitem['fields']['address']
task = workitem['fields']['params']['task']
ref = workitem['fields']['params']['ref']
object_id = workitem['fields']['object_id']
object_type = workitem['fields']['object_type']
--->8---
Be warned once again : I don't where you get this string of JSON from, but
you're probably misunderstanding something.
Best regards,
--
John Mettraux - http://jmettraux.wordpress.com
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