Page Comparison

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• • Service Instance Rendering and Detail Widget
    • Capabilities
      • Get a process definition XML through the Service Id and Process instance association.
      • use Camunda REST API, GET /process-defintion/{id}/xml
      • Get the state of a process instance from the activity-instances
      • Use Camunda REST API, get/process-instance/{id}/activity-instances
      • Render the BPMN XML with bpmn.io and places markers on top of it, and provide Service instance detail views.
    • Design
      • This widget will be on the secondary/pop-up browser page. 
        • The Service List page will be the primiary page, so the user can open multiple Service Instance Rendering and Detail pages.
        • The number of pages can be limited to the default 10, but it can be configured.
      • The search criteria fields are for display only, and they cannot be changed.
      • The Detail panel is scrollable and display contents with the tag: value formt.
      • Query a process instance with the matched 'serviceInstanceId' process variable.
        • get a process instande id: query bases on the process variable, 
          • GET /history/variable-instance/{variableValue}, where {variableValue} = 'serviceIntanceId' ;
        • query BPML XML based on a process instance id
          • GET /process-definition/{id}/xml
        • query the process instance detail such as process variables
          • GET /process-instance/{id}/variables
          • Display the process variables on the Service Instance Detail panel
        • query and activity instance (tree) for the process instance id
          • GET /process-instance/{id}/activity-instances
          • GET /history/activity-instance/{id}/activity-instances
          • The response provides child activity instance info. By using this we can find the parent and child process instnce id and definition id.
            • If the current process instance id has its parent, enable the Drill-Up button.
          • When a user clicks on a task, display the task varables
            • GET /task/{id}variables
            • When the task activity type is call activity, it enables the Drill-Down button.
      • Render the process instance diagram with the retrieved XML.

        • use bpmn.io javascript library for the XML rendering and event attachments for process instance tasks.

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• Custom History Event Producer
  • Populate additional data in history with extensibility
  • It is an optional component. We plan to use it when the default Camunda process and history data is not sufficient.

• Component Build Dependencies
  • The following diagram depicts the component build dependencies.
  • Components can be built in parallel with a certain level of sequential integration. 
  • Each estimate includes code development and unit testing plus some component integration and integration testing (since there are API dependencies).

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