AT:

• create new Database Table (HISTORIC_TASK_DETAILS) with the following fields
• ID_
• PROCESS_INSTANCE_ID_
• EXECUTION_ID_
• PROCESS_DEFINITION_ID_
• TASK_ID_
• USER_ID_
• TIMESTAMP_
• OPERATION_TYPE_ /** create / delegate / assign **/
• OPERATION_ID_ /** if an operation produces multiple rows, provide the same id here */
• PROPERTY_ /** assignee, duedate, ...*/
• STRING_VALUE_
• DATE_VALUE_

• HistoricTaskDetail event are fired if
• a new task is created form a BPMN process
• a new task is created using the `TaskService.newTask()` method
• an existing task is updated
• Generic TaskService.save() method produces generic "update" operation
• Specific TaskService operations like `claim()` are logged under their specific name
• a task is compled
• a task cancelled ??

• HistoricTaskDetails are handled using the HistoryEventProducer / EventConsumer Mechanisms

• SQL Upgrade Scripts are provided

• History Documentation is updated