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@efonsell efonsell released this 22 Feb 18:16
· 395 commits to master since this release
7.2.3
6f6909a

Highlights

  • Support updating workflow instance business key.
  • Support for searching workflow instances by state variable key and value.
  • Added optional properties for tuning parts of nFlow Explorer
  • Facelift for workflow instance properties in nFlow Explorer
  • Control retryable exception handling via WorkflowSettings (replaces deprecated WorkflowState.isRetryAllowed(...))
  • Control retrying and logging of an exception thrown by a state method via WorkflowSettings (replaces deprecated WorkflowState.isRetryAllowed(...))
  • Control retrying and logging of an exception thrown by a state method via WorkflowSettings (replaces deprecated WorkflowState.isRetryAllowed(...)).
  • Control logging and sleeping after exceptions in WorkflowDispatcher.
  • Control logging and sleeping after a failure to save workflow instance state.
  • Support in CronWorkflow to wait for created child workflow instances to finish before scheduling the next work.

Details

  • nflow-engine
    • Use WorkflowInstanceService.updateWorkflowInstance to update the business key of the workflow instance.
    • Use StateExecution.setBusinessKey to update the business key of the workflow instance after processing a state.
    • Use QueryWorkflowInstances.setStateVariable to limit search query by state variable name and key. Only the latest value of the state variable of the workflow instance is used.
    • Control retrying and logging of an exception thrown by a state method via WorkflowSettings.Builder.setExceptionAnalyzer(...) / ExceptionHandling:
      • Control whether the exception is considered retryable or not (replaces deprecated WorkflowState.isRetryAllowed(...)).
      • Control which log level is used to log the retryable exception.
      • Control whether the stack trace of the retryable exception is logged or not.
    • Control logging and sleeping after exceptions in WorkflowDispatcher by providing a DispatcherExceptionHandler that returns DispatcherExceptionHandling objects:
      • Control whether the exception is logged or not.
      • Control which log level is used to log the exception.
      • Control whether the stack trace of the exception is logged or not.
      • Control whether dispatcher should sleep after the exception or not.
      • Control whether the sleep time should be randomized or not.
    • Control logging after a failure to save workflow instance state by providing a StateSaveExceptionHandler that returns StateSaveExceptionHandling objects:
      • Control which log level is used to log the exception.
      • Control whether the stack trace of the exception is logged or not.
      • Control how long the WorkflowStateProcessor should sleep before retrying.
    • Support in CronWorkflow to wait for child workflow instances created in doWork state method to finish before scheduling the next work. Return NextAction.moveToStateAfter(waitForWorkToFinish, ...) with some fail-safe waiting time instead of NextAction.moveToState(schedule, ...) to avoid immediate re-scheduling. When child workflows finish, they will wake up the parent workflow automatically, if it is still in the waiting state. Default implementation will check if any child workflows are still running, and keep waiting until they are all finished. Override CronWorkflow.waitForWorkToFinishImpl for custom logic.
    • Add hasUnfinishedChildWorkflows helper in StateExecution and WorkflowInstanceService to check if the workflow instance has any child workflow instances with any other status than WorkflowInstanceStatus.finished.
  • nflow-rest-api-common, nflow-rest-api-jax-rs, nflow-rest-api-spring-web
    • UpdateWorkflowInstanceRequest.businessKey field was added to support updating workflow instance business key via REST API.
    • Added support for new query parameters stateVariableKey and stateVariableValue to GET /v1/workflow-instance to limit search query by state variable name and key. Only the latest value of the state variable of the workflow instance is used.
    • Fix REST API serialization of state variable values that are not valid JSON by failing the serialization on trailing tokens and resorting to string representation as expected.
  • nflow-explorer
    • Added optional config.js properties (htmlTitle, nflowLogoFile, hideFooter)
    • Facelift for workflow instance properties
    • Dependency updates:
      • urijs 1.19.5
      • socket.io 2.4.1
  • Database
    • Change text data types to varchar(max) for MS SQL Server
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