Hi Kasun,

Added to the doc.

Thanks,

On Tue, Jun 30, 2015 at 12:44 PM, Kasun Indrasiri <[email protected]> wrote:

> Hi Chanaka,
>
> I think we have agreed on adding call/respond mediator based samples too.
> Can you include use cases including those mediators too.
>
> On Tue, Jun 30, 2015 at 12:31 PM, Chanaka Sampath Cooray <
> [email protected]> wrote:
>
>> Hi,
>>
>> Here is the progress so far.
>>
>> According to the last discussion, I stored the flow in the message
>> context and persist that when the flow is finished. And also I have created
>> a separate thread to persist the data asynchronously to the database. To
>> identify each mediator, I have added an id for each mediator.
>>
>> I am using two tables, one for store the message flow and other one to
>> store the mediator details. When building the message flow, I am using a
>> separate data structure in which one node maps to another node set. In that
>> way, I can store the message flows when the message is cloning, iterating
>> and etc. I have explained the data structure using an example in [1]. And
>> the current implementations are in the repository [2] and [3].
>>
>> [1].
>> https://docs.google.com/document/d/1k0vrAbzQZyD7PDSHyKntEmqoflyH-iSjC_eo9gAxdoM/edit?usp=sharing
>> [2].
>> https://github.com/ChanakaCooray/carbon-mediation/tree/MessageFlowTrace
>> [3]. https://github.com/ChanakaCooray/wso2-synapse/tree/MessageFlowTrace
>>
>> Thanks,
>>
>> On Thu, Jun 18, 2015 at 10:11 PM, Isuru Udana <[email protected]> wrote:
>>
>>> Hi Cryril,
>>>
>>> Thanks for the idea.
>>>
>>> Message context is the entity which flows through the mediation flow
>>> (both request/response path). We thought of saving trace details in the
>>> message context itself will ease the correlation. However we cannot save
>>> all the information in the message context, as it will increase the memory
>>> usage.
>>> Information like message payload, property values can be written to the
>>> db in an asynchronous manner (not blocking the mediation flow) and we can
>>> keep a reference to those db entries in the message context.
>>>
>>> We need to decide on a suitable data structure (probably a stack) which
>>> can hold these information.
>>>
>>> When we have flow branching mediators like Filter, Clone, we may need a
>>> parent message id to correlate as well.
>>>
>>> Now the challenge is to decide a suitable data structure to hold these
>>> trace information in the message context.
>>>
>>> Thanks.
>>>
>>>
>>>
>>> On Thu, Jun 18, 2015 at 1:54 PM, Cyril Rognon <[email protected]> wrote:
>>>
>>>> Hi,
>>>>
>>>> would it be too expensive or difficult to have a parent Message id if
>>>> the original Message id is to be changed ? This would allow us to correlate
>>>> flows later.
>>>>
>>>> thanks,
>>>> Cyril
>>>>
>>>> On Wed, Jun 10, 2015 at 1:26 PM, Chanaka Sampath Cooray <
>>>> [email protected]> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> Here are the points we have discussed in the last meeting.
>>>>>
>>>>>    - Building a proper data structure to store and process the
>>>>>    Message Flow
>>>>>    - Persist the collected data after the Message Flow has completely
>>>>>    finished - Store the data from the data collection points in memory 
>>>>> until
>>>>>    the message flow finished
>>>>>    - Store the first generated Message Id as a property in the
>>>>>    Message Context - message id will be changed in some situations, so we
>>>>>    can't be able to track the message flow
>>>>>    - Pay special attention to the mediators extends
>>>>>    from FlowContinuableMediator - Mediators those have branches
>>>>>    - Store the timestamp, payload, headers and property set as the
>>>>>    basic information
>>>>>
>>>>> Thanks,
>>>>>
>>>>> On Tue, Jun 9, 2015 at 4:20 PM, Isuru Udana <[email protected]> wrote:
>>>>>
>>>>>> Hi Chanaka,
>>>>>>
>>>>>> Can you please update the thread with notes of the meeting we had
>>>>>> yesterday ?
>>>>>>
>>>>>> On Tue, Jun 2, 2015 at 3:39 PM, Chanaka Sampath Cooray <
>>>>>> [email protected]> wrote:
>>>>>>
>>>>>>> Hi Manuranga,
>>>>>>>
>>>>>>> Yes, the data publishing mostly goes through the same log4j flow.
>>>>>>> But we decided to write the data to the database in our initial 
>>>>>>> discussion.
>>>>>>> But it is not confirmed yet.
>>>>>>>
>>>>>>> Thanks,
>>>>>>>
>>>>>>> On Tue, Jun 2, 2015 at 3:27 PM, Manuranga Perera <[email protected]>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Does this data publishing goes through the same log4j flow? Is the
>>>>>>>> data collector written as a log4j appender ?
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> Architecture mailing list
>>>>>>>> [email protected]
>>>>>>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> *Chanaka Sampath Cooray*
>>>>>>> Undergraduate  | Department of Computer Science and
>>>>>>> Engineering,University of Moratuwa
>>>>>>> Mobile: +94 71 361 4884
>>>>>>> E-Mail: [email protected]
>>>>>>> Linked-In: https://lk.linkedin.com/pub/chanaka-sampath/65/221/102
>>>>>>> <https://lk.linkedin.com/pub/chanaka-sampath/65/221/102>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Architecture mailing list
>>>>>>> [email protected]
>>>>>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> *Isuru Udana*
>>>>>> Associate Technical Lead
>>>>>> WSO2 Inc.; http://wso2.com
>>>>>> email: [email protected] cell: +94 77 3791887
>>>>>> blog: http://mytecheye.blogspot.com/
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> *Chanaka Sampath Cooray*
>>>>> Undergraduate  | Department of Computer Science and
>>>>> Engineering,University of Moratuwa
>>>>> Mobile: +94 71 361 4884
>>>>> E-Mail: [email protected]
>>>>> Linked-In: https://lk.linkedin.com/pub/chanaka-sampath/65/221/102
>>>>> <https://lk.linkedin.com/pub/chanaka-sampath/65/221/102>
>>>>>
>>>>> _______________________________________________
>>>>> Architecture mailing list
>>>>> [email protected]
>>>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture
>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> *Isuru Udana*
>>> Associate Technical Lead
>>> WSO2 Inc.; http://wso2.com
>>> email: [email protected] cell: +94 77 3791887
>>> blog: http://mytecheye.blogspot.com/
>>>
>>> _______________________________________________
>>> Architecture mailing list
>>> [email protected]
>>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture
>>>
>>>
>>
>>
>> --
>> *Chanaka Sampath Cooray*
>> Undergraduate  | Department of Computer Science and
>> Engineering,University of Moratuwa
>> Mobile: +94 71 361 4884
>> E-Mail: [email protected]
>> Linked-In: https://lk.linkedin.com/pub/chanaka-sampath/65/221/102
>> <https://lk.linkedin.com/pub/chanaka-sampath/65/221/102>
>>
>
>
>
> --
> Kasun Indrasiri
> Software Architect
> WSO2, Inc.; http://wso2.com
> lean.enterprise.middleware
>
> cell: +94 77 556 5206
> Blog : http://kasunpanorama.blogspot.com/
>



-- 
*Chanaka Sampath Cooray*
Undergraduate  | Department of Computer Science and Engineering,University
of Moratuwa
Mobile: +94 71 361 4884
E-Mail: [email protected]
Linked-In: https://lk.linkedin.com/pub/chanaka-sampath/65/221/102
<https://lk.linkedin.com/pub/chanaka-sampath/65/221/102>
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