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Atlas — Standard classes derived from the System- base class

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The table below lists standard System- classes you may encounter.

These classes are reserved. You cannot define classes derived from the System- base class.

Class

Description

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System-AppCentric-Cache Abstract class for the ABA cache Understanding Application-Based Assembly mode
System-AppCentric-Cache-Dependency Supports the ABA cache Understanding Application-Based Assembly mode
System-AppCentric-Cache-Entry Entries in the ABA cache Understanding AppCentric operations and caching
System-ApplicationRuleSetIndex This class lists the RuleSets which are contained in each application rule.  
System-Cache-Dependency Supports internal operations, for caches that are saved to the database.  
System-Cache-Entry Supports internal operations, for caches that are saved to the database.  
System-Cache-Implementation Supports internal operations, for caches that are saved to the database.  
System-CachedConclusion Cache for Java objects corresponding to field value rules, property rules (not property values), property alias rules and class rules. conclusion cache
System-Declare-Changes Supports execution of Declare Expression rules. Corresponds to the pr_sys_decchg table.  
System-Job-PropertyOptimization Defines the queue of background processing requested by the Property Optimization wizard. Processing of this queue is performed by the Pega-RulesEngine agent. About the Property Optimization tool.
System-Locks Contains facts about a lock. Understanding object locking
System-Queue-CaseType Supports calculations defined in case type rules. Processing is performed by the Pega-ProcessEngine agent. More about Case Type rules
System-Queue-ColumnPopulation Supports queued requrest for the Pega-RulesEngine agent. Understanding the Pega-RulesEngine agent
System-Queue-DefaultEntry Supports queued requests for agent processing by Standard agents. Proj-911 5.4 Queue-for-Agent method
System-Queue-Events Not used. Reserved for future use.  
System-Queue-ExecutionRequest-Connect-Default Supports asynchronous processing of SOAP connector requests by the Pega-IntSvcs agent. About Connect Request Processor data instances
System-Queue-ExecutionRequest-Service-Default Supports asynchronous processing of service requests by the Pega-IntSvcs agent. About Service Request Processor data instances
System-Queue-FlowDependency Supports dependency processing, performed by the Pega-ProcessEngine agent Understanding the Pega-ProcessEngine agent
System-Queue-ScheduledTask Executes scheduled reports. Understanding the Pega-RulesEngine agent
System-Queue-ServiceLevel Supports service-level calculations and escalations by the Pega-ProCom agents. Understanding the Pega-ProCom agents
System-Requestor-Context Data for passivated requestors, identified by requestor ID. The data is Base64 encoded. passivation
System-Status-Nodes Identify other server nodes participating in your system. More about System Node data instances
System-SavedPages Saves Thread contexts for a user after time-out. time-out
System-Updates-Cache Identifies rules updated since the most recent system pulse, and so potentially stale in the rule cache of other nodes. rule cache
System-User-MyRules Controls favorites (and delegated rules), visible in the Favorite Explorer. Favorites
System-Vtable-Cache-Entry Entries in the VTable cache.  
System-Work-Indexer Supports full-text search for work objects. Used by the Pega-RULES agent to hold agent queue entries after a new work item is created. After Elasticsearch indexing is complete, the agent queue entry is removed. Working with the PegaRULES database — System tables
Definitions System- base class
Related topics Working with the PegaRULES database — System tables

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