Clipboard: is a tool used for debugging and troubleshooting aid for application developers. Is an temporary memory area on server. Its an hierarchy structure consisting of nodes known as pages most of which have a name and an associated class.
Pages act as a buffers or temporary copies of object instance that are copied from, or may later be stored into, the PRPC DB or another DB.
Clipboard tool is used for developing and debugging to:
Examine property values and messages
Quickly create, update, delete and modify pages using Action menu
Quickly execute activities and start flows using action menu
We can find pages and we can Refresh or only refresh current page.
The clipboard contains three broad categories of top-level pages:
1. User Pages
2. Declared pages
3. System managed pages: requestor page, process page, and application pages, Thread page, Operator ID, organization, orgDivision.
User Page: is a top level clipboard page that an activity creates pages using the methods like Page-New. All the user pages will appear here once we log off, all the user pages will be removed from the memory i.e. will not be saved to Pega DB.
If your requestor session times out, user pages may be lost, or may be saved for up to 3 days
Thread page--pxThread page is a top level clipboard page known as Thread page. The page has a class of Code-Pega-Thread
Process Page--pxProcess page is a top level clipboard page known as Process page. The page has a class of Code-Pega-Process. This page Contains information from the Data-Admin-System instance.
Declare Page-is a clipboard page created by execution of a declare page rules (Rule-Declare-Pages rule type. The name of the declarative pages start with Declare_. The content of these pages are visible but Read-Only to the requestors. Such pages are created and updated only through activities identified in a Declare Pages rule.
Declarative pages can improve performance and reduce memory requirement issues when all or many requestors in an application need to access static information or slowly changing information.
Requestor Page- pxRequestor page is a top level clipboard page known as Requestor page. The page has a class of Code-Pega-Requestor. The system creates a page during at login time and contains information about our Access roles, Security, Ruleset list and HTTP protocol parameters, Work pools available details, workbasket that we can access, connection session, Login Date and Time details and previous login Date and time details etc.
This page context is useful for troubleshooting and debugging.
Page Context is a property is a pageList or Page Group property reference
property has mode Single Value and appears directly on a page of the Applies To class, or if creating a context-free expression.
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