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Question

 Alexey Titorenko (AlexeyT1)
Alfabank
RU
AlexeyT1 Member since 2016 5 posts
Posted: Mar 28, 2017
Last activity: Apr 4, 2017
Posted: 28 Mar 2017 4:37 EDT
Last activity: 4 Apr 2017 10:33 EDT
Closed
Solved

Data pages with parameters in Offline mode

Hello!

We currently have a problem with using data pages with parameters in offline mode on mobile device. From Pega guys we know that this is supported and custom populator function is needed for that. Unfortunately, we could not get more details from the guys so far. Could someone please explain, how all this is woking on mobile device and how to write this populator function?

This is about regular data pages, not about large ones.

Alexey

***Updated by moderator: Lochan to add Categories; add SR details***

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Support Case Exists

  • THEERDHA CHANDANA SAJJA Mukhee Jyothsna

Accepted Solution

Posted: 8 years ago
Posted: 29 Mar 2017 20:47 EDT
James Hall (HALLJ) Senior Software Architect, Shared User Services Engineering
Pegasystems Inc.
US
Using parameterized data page pages (not large) still involves creating a master data page or data pages that contain all of the data. These master data pages need to be added to the data page whitelist HTML rule unless they are directly used in your UI. You do create a populator method JS method to populate the parameterized data page on the client, but instead of using the runQuery API, you use the ClientCache API to get the values from the master data page. This does not scale as well as the large data page implementation and we generally recommend the large data page method for that reason. - James
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Posted: 8 years ago
Posted: 29 Mar 2017 16:40 EDT
Bhuvana Mahalingam (mahab1)
PEGA

Pegasystems Inc.
US

Hi Alexey

 

I know you have mentioned in your post that you are not using large data pages. But, have you taken a look at this post and seen if this would still be applicable for regular data pages as well? 

https://docs-previous.pega.com/custom-populator-javascript-functions-large-data-pages

I have personally not tried or tested, just did a quick search and thought I'd point you to it if you haven't already seen it.

 

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Accepted Solution

Posted: 8 years ago
Posted: 29 Mar 2017 20:47 EDT
James Hall (HALLJ) Senior Software Architect, Shared User Services Engineering
Pegasystems Inc.
US
Using parameterized data page pages (not large) still involves creating a master data page or data pages that contain all of the data. These master data pages need to be added to the data page whitelist HTML rule unless they are directly used in your UI. You do create a populator method JS method to populate the parameterized data page on the client, but instead of using the runQuery API, you use the ClientCache API to get the values from the master data page. This does not scale as well as the large data page implementation and we generally recommend the large data page method for that reason. - James
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Posted: 8 years ago
Posted: 4 Apr 2017 8:45 EDT
Lochana Durgada Vijayakumar (Lochan_DV)
PEGA
Senior Manager, Knowledge Management
Pegasystems Inc.
IN

Hi Alexey,

I read that you are waiting for a response from support. Does this by any chance mean that you have an SR open with Pega Support for this query? If so, could you please share the SR# here?

Thank you!

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Posted: 8 years ago
Posted: 4 Apr 2017 10:33 EDT
Lochana Durgada Vijayakumar (Lochan_DV)
PEGA
Senior Manager, Knowledge Management
Pegasystems Inc.
IN

Thanks Alexey,

I have updated your original post above to reflect that information and also left a pulse post on the internal app for SRs since I wanted to conect the two for the engineer handling the SR. This linking usually helps!

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Posted: 8 years ago
Posted: 4 Apr 2017 8:42 EDT
Alexey Titorenko (AlexeyT1)
Alfabank
RU

Hello!

yes, I've read it. The idea is clean, but large data pages have a bit different nature and different type of storage, so, this information is not directly applicable to regular pages.

It seems that this should look something like in this article - https://docs-previous.pega.com/cascading-drop-down-controls-offline-pega-7-platform-applications

 

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Posted: 8 years ago
Posted: 4 Apr 2017 9:46 EDT
James Hall (HALLJ) Senior Software Architect, Shared User Services Engineering
Pegasystems Inc.
US
From a design-time perspective, that is how you configure and use it. For offline purposes, the parameters cannot be anticipated at package time, so the parameterized data pages are packaged as empty. You can get the data into the device by creating master (non-parameterized) data pages, adding them to the data page whitelist HTML rule, then selectively populating the parameterized data page with a populator method as outlined in the large data page document. - James
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