Page Comparison

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• REST APIs for providing data to UIs
  • Capabilities
    • Provides REST services, by utilzing 1) Camunda REST APIs, such as BPMN XML string, process activity data, process variable, statistic, and 2) SO Request DB APIs for a service list.
    • Consolidate data responses from multpile Camunda calls and feed them to UIs.
    • Use of HistoryService APIs, example, processEngine.getHistoryService().createHistoricProcessVariableQuery().xyz
    • Set a History level to ACTIVITY as a minimum; AUDIT (default) level for process variable tracing
    • Provides workflow tracing (between parent-child workflows, interaction with other services; service task in and out); example,
      • processEngine.getRuntimeService().createExecutionQuery().processVariableValueEquals("serviceInstanceId", serviceInstanceId).singleResult();
    • Custom Query
      • Custom Query against History ACT_HI_DETAIL database table, as needed
    • Create a REST API, getServiceList with search criteria
      • Enhance MsoRequestsDbAdapter and MsoRequestsDbAdapterImpl to implement getInfraRequest(...) with additional parameters
      • invoke getInfraRequest(...) to collect service list data based on search criteria.
  • Design
    • Write REST APIs 
      • getServiceList(...) invokes new getInfraRequest(...)
      • getProcessInstanceId(String serviceInstanceId);
      • getprocessDiagram(String processInstanceId); getProcessDiagram(String serviceInstanceId);
      • getprocessInstanceDetail(String processInstanceId); getProcessInstanceDetail(String serviceInstanceId);
      • getProcessInstanceActivity(String processInstanceId); getProcessInstanceActivity(String serviceInstanceId);
      • getProcessTaskDetail(String taskId);
      • getProcessTaskType(String taskid);

• Custom History Event Producer
  • Populate additional data in history with extensibility

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