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Changes between Version 72 and Version 73 of ippToPsps


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Timestamp:
May 18, 2010, 1:19:45 PM (16 years ago)
Author:
rhenders
Comment:

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  • ippToPsps

    v72 v73  
    141141== New design ==
    142142
    143 Instead of creating a new datastore instance within PSPS and using the {{{DXLayer}}} as communication layer between the ODM and the IPP, we propose that the {{{DXLayer}}} forms no part of the feedback system. It should be simplified such that it only facilitates loading, i.e. polling the IPP datastore for new data, converting it to csv files then sending these on to the ODM. Instead, to complete the circle, the {{{ippToPsps}}} code will poll the ODM directly, bypassing the {{{DXLayer}}} altogether. The IPP then knows which batches have merged successfully and can delete them accordingly. This also forms the basis of a full recovery system as, at a later date, {{{ippToPsps}}} can be coded to respond intelligently to the myriad of errors that may occur within the ODM. The {{{DXLayer}}} need know nothing of the how or why a certain batch is being submitted by the IPP, it should just grab it, convert it and pass it along to the ODM.
     143Instead of creating a new datastore instance within PSPS and using the {{{DXLayer}}} as communication layer between the ODM and the IPP, we propose that the {{{DXLayer}}} forms no part of the feedback system. It should be simplified such that it only facilitates loading, i.e. polling the IPP datastore for new data, converting it to csv files then sending these on to the ODM. Instead, to complete the circle, the {{{ippToPsps}}} code will poll the ODM directly, bypassing the {{{DXLayer}}} altogether. This also forms the basis of a full recovery system as, at a later date, {{{ippToPsps}}} can be coded to respond intelligently to the myriad of errors that may occur within the ODM. The {{{DXLayer}}} need know nothing of the how or why a certain batch is being submitted by the IPP, it should just grab it, convert it and pass it along to the ODM.
    144144
    145145Since {{{ippToPsps}}} will (soon) keep a record of all the jobs and corresponding exposure IDs in the IPP database, it is unnecessary for this information to be duplicated by the {{{DXLayer}}}, which currently has its own local database for this information.