Jean will perform your mid-term evaluation as your mentor. You don't need to wait to submit your evaluation please submit it. I think we are very close to mid-term deadline.
Thanks ! On Thu, Jul 12, 2012 at 9:00 AM, Dulini Atapattu <dulin...@gmail.com> wrote: > Hi Jean and all, > > I have submitted a patch to JIRA issues for Message Queue Component for > Nuvem and I would like to receive any comments regarding that. Also I would > like to know whether it is alright to submit my mid-term evaluation to > melange now. > > Thanks > > On Tue, Jul 10, 2012 at 1:24 PM, Dulini Atapattu <dulin...@gmail.com> wrote: > >> Hi Jean and all, >> >> I have implemented the nuvem-api for message queue component including the >> interface and other related classes. The api interface is as follows: >> >> public QueueMessageHandle sendMessage(QueueMessage queueMessage) throws >> MessageQueueServiceException; >> (Sends the queueMessage and returns a handle to the sent message) >> >> public List<QueueMessage> receiveMessage(int numMessages) throws >> MessageQueueServiceException; >> (Receives the number of messages specified by numMessages from the queue >> service and returns a list of queue messages) >> >> public boolean deleteMessage(QueueMessage queueMessage) throws >> MessageQueueServiceException; >> (Deletes the message specified by the queueMessage and returns true if >> deletion is successful) >> >> I also have implemented this interface for Amazon platform, tested with >> test cases using the account I have created in Amazon Free Usage Tier [14], >> and also documented the code. I also have submitted the patch for this work >> at Nuvem JIRA issues [15]. >> >> I have also implemented the interface for GAE (using Pull Queue) and >> currently I am performing the tests for the implementation. >> >> I would like to receive any comments about the work I have done so far. >> >> Thanks >> >> [14] - http://aws.amazon.com/free/ >> [15] - https://issues.apache.org/jira/browse/NUVEM-14 >> >> >> >> On Sat, Jul 7, 2012 at 9:41 AM, Sagara Gunathunga < >> sagara.gunathu...@gmail.com> wrote: >> >>> On Sat, May 19, 2012 at 12:36 AM, Dulini Atapattu <dulin...@gmail.com> >>> wrote: >>> > Hi Sagara, >>> > >>> > Thank you very much for the comments you have mentioned and they are a >>> lot >>> > helpful to get done the required tasks appropriately and relevantly. >>> > >>> > I will focus on the activities, queue services and solutions to issues >>> you >>> > have mentioned and will provide the community the API design according >>> to >>> > the requirements you have mentioned. >>> > >>> > I added approximate completion dates to my project proposal and they >>> are as >>> > follows: >>> > >>> > >>> > - 24th April - 20th May >>> > >>> > Read about the Apache Qpid, Amazon SQS, Azure Message Queue REST API >>> > and3rd party queue frameworks which based on App Engine menarche API >>> > (24th >>> > April - 30th April). >>> > >>> > Define the Nuvem message queue API. Discuss with Nuvem community about >>> the >>> > design of the API and scope of the project (1st May - 20th May). >>> > >>> > - 21st May - 12th July >>> > >>> > Implement above Message Queue API using GAE (21st May to 11th June). >>> > >>> > Implement above Message Queue API using Amazon (12th June to 03rd July). >>> > >>> > Preparing for the mid-term evaluation of the project (4th July to 12th >>> > July). >>> >>> Hi Dulini, >>> >>> We are reaching to mid term evaluation very soon. I would like to see >>> codes related to above tasks either on SVN or JIRA, those codes are >>> important to measure project progress for mid term evaluation. >>> >>> I believe Jean will help out to bring your codes to SVN. >>> >>> Thanks ! >>> >>> >>> > >>> > >>> > >>> > - 13th July - 12th August >>> > >>> > Implement Queue API using Apache QPID (13th July - 27th July). >>> > >>> > Implement simple application to demonstrate the Nuvem Message Queue API >>> > (28th July - 6th August). >>> > >>> > Completing the documentation and test cases (7th August - 12th >>> > August). >>> > >>> > >>> > >>> > - August 16th - August 23rd >>> > >>> > Prepare the deliverables for final submission. >>> > >>> > Thank you, >>> > Best regards >>> > >>> > On Fri, May 18, 2012 at 2:19 PM, Sagara Gunathunga < >>> > sagara.gunathu...@gmail.com> wrote: >>> > >>> >> Please find my in-line answers. >>> >> >>> >> On Fri, May 18, 2012 at 12:46 PM, Dulini Atapattu <dulin...@gmail.com >>> >> >wrote: >>> >> >>> >> > Hi Jean and all, >>> >> > >>> >> > With related to the project: Message Queue component for Nuvem, so >>> far I >>> >> > read about AmasonSQS, Azure Queue Service Rest API, MemcacheQ, >>> Sparrow >>> >> and >>> >> > Depcached. According to details and APIs related to these queue >>> services/ >>> >> > frameworks, all the queue services provide send message and receive >>> >> message >>> >> > functionality with related to a specified queue, and only some queue >>> >> > services/ frameworks provide other related services such as creating >>> >> > queues, deleting messages etc. >>> >> > >>> >> >>> >> Sound good but you don't need to support all of above services. You >>> can >>> >> pick around 4 widely used services here because for all those >>> >> implementations you have to perform following activities. >>> >> >>> >> 1.) Implement X queue service for Nuvem Queue API. >>> >> 2.) Provide full set of unit tests for X implantation. >>> >> 3.) Provide documentation how to configure X queue service with Nuvem >>> API >>> >> and may be samples as well. >>> >> >>> >> Personally I believe following 3 services need to be included within >>> the >>> >> scope of your project. >>> >> >>> >> 1.) Amazon SQS >>> >> 2.) GAE (MemcacheQ) >>> >> 3.) Nuvem specific implementation ( ActiveMQ ?) >>> >> >>> >> >>> >> Before you start you may have to find solutions for following issues >>> >> >>> >> * How to test AmasonSQS on Amazon platform. In last year student who >>> did >>> >> key-value component created a Amazon account for him AFAIK it's free >>> for >>> >> one year time. You may do the same or can find any alternative ?. >>> >> >>> >> * Is that MemcacheQ licence compliant with Apache ? >>> >> >>> >> * Still you haven't focus on Nuvem specific implementation , this also >>> a >>> >> very important component. >>> >> >>> >> >>> >> >>> >> > >>> >> > Therefore I came up with the following design/ interface for the >>> message >>> >> > queue component, which provides the user the basic two >>> functionalities >>> >> > provided by any queue services, and the implementation of this >>> interface >>> >> > may call other relevant functionalities relevantly according to the >>> queue >>> >> > service being used and as required: >>> >> > >>> >> > putMessage(queueName, messageBody); >>> >> > >>> >> > getMessage(queueName); >>> >> > >>> >> >>> >> This API is not sufficient for enterprise applications. For example >>> it's >>> >> mandatory to create and delete queues regardless of underline service >>> >> provider. If the specific service provider does not support for a >>> >> particular method you need to come up with solution or can throw >>> >> unsupported exception. Refer the last year key-value project it has >>> lot of >>> >> tips to overcome such limitations. >>> >> >>> >> >>> >> IMO we need to support following activities. >>> >> >>> >> 1.) create queue , delete queue , list all queues, clear queue ( >>> remove >>> >> all message on queue) >>> >> 2.) send message , receive message, delete message >>> >> 3.) what else ..? >>> >> >>> >> >>> >> > >>> >> > The getMessage should return the message which is consumed by the >>> queue. >>> >> > Also message deletion tasks etc. should be performed inside the >>> >> > implementation of getMessage. >>> >> > >>> >> > Also I would like to use MemcacheQ as the 3rd party queue framework >>> for >>> >> > GAE, and I would like to know the feedback of the community regarding >>> >> this >>> >> > choice. >>> >> > >>> >> > Also I would like to know the feedback about the API I have come up >>> with. >>> >> > >>> >> >>> >> It seems my comments on Google Melange have been ignored, in there I >>> asked >>> >> realistic breakdown of project according to allocated time with task. >>> You >>> >> have to provide schedule for this project. what I mean here is >>> something >>> >> similar to below. >>> >> >>> >> Define API - estimated complete date >>> >> Amazon SQS - estimated complete date >>> >> GAE (MemcacheQ) - estimated complete date >>> >> Nuvem specific implementation without any of above ( ActiveMQ ?) - >>> >> estimated complete date >>> >> >>> >> These dates are flexible and not like deadlines but we need some kind >>> of a >>> >> schedule to monitor your progress. It would be an advantage to you to >>> >> complete at least 1 or 2 services before the mid-term evaluation. >>> >> >>> >> Thanks ! >>> >> >>> >> >>> >> > >>> >> > Thank you, >>> >> > Best regards >>> >> > >>> >> > On Thu, Apr 26, 2012 at 3:46 AM, Dulini Atapattu <dulin...@gmail.com >>> > >>> >> > wrote: >>> >> > >>> >> > > Hi all, >>> >> > > >>> >> > > As my proposal for Message Queue component for Nuvem is being >>> accepted >>> >> > for >>> >> > > GSOC 2012 >>> >> > > i would like to continue my work with the project and to achieve >>> the >>> >> > goals >>> >> > > stated. >>> >> > > I will be starting work with reading about the Apache Qpid, Amazon >>> SQS, >>> >> > Azure >>> >> > > Message Queue REST API and 3rd party queue frameworks that are >>> based on >>> >> > > App Engine menarche API and defining the Nuvem message queue API. >>> >> > > >>> >> > > Thank you >>> >> > > -- >>> >> > > Dulini I Atapattu >>> >> > > Look around... <http://www.flickr.com/photos/dia1988> >>> >> > > >>> >> > > >>> >> > >>> >> > >>> >> > -- >>> >> > Dulini I Atapattu >>> >> > Look around... <http://www.flickr.com/photos/dia1988> >>> >> > >>> >> >>> >> >>> >> >>> >> -- >>> >> Sagara Gunathunga >>> >> >>> >> Blog - http://ssagara.blogspot.com >>> >> Web - http://people.apache.org/~sagara/ >>> >> LinkedIn - http://www.linkedin.com/in/ssagara >>> >> >>> > >>> > >>> > >>> > -- >>> > Dulini I Atapattu >>> > Look around... <http://www.flickr.com/photos/dia1988> >>> >>> >>> >>> -- >>> Sagara Gunathunga >>> >>> Blog - http://ssagara.blogspot.com >>> Web - http://people.apache.org/~sagara/ >>> LinkedIn - http://www.linkedin.com/in/ssagara >>> >> >> >> >> -- >> Dulini I Atapattu >> Look around... <http://www.flickr.com/photos/dia1988> >> >> > > > -- > Dulini I Atapattu > Look around... <http://www.flickr.com/photos/dia1988> -- Sagara Gunathunga Blog - http://ssagara.blogspot.com Web - http://people.apache.org/~sagara/ LinkedIn - http://www.linkedin.com/in/ssagara
