Package com.uber.cadence.testing

Class WorkflowReplayer

  • public final class WorkflowReplayer
extends java.lang.Object
    Replays a workflow given its history. Useful for backwards compatibility testing.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void replayWorkflowExecution​(WorkflowExecutionHistory history, java.lang.Class<?> workflowClass, java.lang.Class<?>... moreWorkflowClasses)
      Replays workflow from a WorkflowExecutionHistory.
      static void replayWorkflowExecution​(java.io.File historyFile, java.lang.Class<?> workflowClass, java.lang.Class<?>... moreWorkflowClasses)
      Replays workflow from a file
      static void replayWorkflowExecution​(java.lang.String jsonSerializedHistory, java.lang.Class<?> workflowClass, java.lang.Class<?>... moreWorkflowClasses)
      Replays workflow from a json serialized history.
      static void replayWorkflowExecutionFromResource​(java.lang.String resourceName, java.lang.Class<?> workflowClass, java.lang.Class<?>... moreWorkflowClasses)
      Replays workflow from a resource that contains a json serialized history.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • WorkflowReplayer

        public WorkflowReplayer()

    • Method Detail

      • replayWorkflowExecutionFromResource

        public static void replayWorkflowExecutionFromResource​(java.lang.String resourceName,
                                                       java.lang.Class<?> workflowClass,
                                                       java.lang.Class<?>... moreWorkflowClasses)
                                                throws java.lang.Exception
        Replays workflow from a resource that contains a json serialized history.
        Parameters:
        resourceName - name of the resource
        workflowClass - workflow implementation class to replay
        moreWorkflowClasses - optional additional workflow implementation classes
        Throws:
        java.lang.Exception - if replay failed for any reason.

      • replayWorkflowExecution

        public static void replayWorkflowExecution​(java.io.File historyFile,
                                           java.lang.Class<?> workflowClass,
                                           java.lang.Class<?>... moreWorkflowClasses)
                                    throws java.lang.Exception
        Replays workflow from a file
        Parameters:
        historyFile - file that contains a json serialized history.
        workflowClass - s workflow implementation class to replay
        moreWorkflowClasses - optional additional workflow implementation classes
        Throws:
        java.lang.Exception - if replay failed for any reason.

      • replayWorkflowExecution

        public static void replayWorkflowExecution​(java.lang.String jsonSerializedHistory,
                                           java.lang.Class<?> workflowClass,
                                           java.lang.Class<?>... moreWorkflowClasses)
                                    throws java.lang.Exception
        Replays workflow from a json serialized history. The json should be in the format: 
         {
   "workflowId": "...",
   "runId": "...",
   "events": [
     ...
   ]
 }
        RunId must match the one used to generate the serialized history.
        Parameters:
        jsonSerializedHistory - string that contains the json serialized history.
        workflowClass - s workflow implementation class to replay
        moreWorkflowClasses - optional additional workflow implementation classes
        Throws:
        java.lang.Exception - if replay failed for any reason.

      • replayWorkflowExecution

        public static void replayWorkflowExecution​(WorkflowExecutionHistory history,
                                           java.lang.Class<?> workflowClass,
                                           java.lang.Class<?>... moreWorkflowClasses)
                                    throws java.lang.Exception
        Replays workflow from a WorkflowExecutionHistory. RunId must match the one used to generate the serialized history.
        Parameters:
        history - object that contains the workflow ids and the events.
        workflowClass - s workflow implementation class to replay
        moreWorkflowClasses - optional additional workflow implementation classes
        Throws:
        java.lang.Exception - if replay failed for any reason.