Examples of org.camunda.bpm.engine.impl.history.handler.HistoryEventHandler

Package org.camunda.bpm.engine.impl.history.handler

Examples of org.camunda.bpm.engine.impl.history.handler.HistoryEventHandler

org.camunda.bpm.engine.impl.history.handler.HistoryEventHandler

The interface for implementing an history event handler.

The {@link HistoryEventHandler} is responsible for consuming the event. Many differentimplementations of this interface can be imagined. Some implementations might persist the event to a database, others might persist the event to a message queue and handle it asynchronously.

The default implementation of this interface is {@link DbHistoryEventHandler} whichpersists events to a database.
@author Daniel Meyer

  public void logUserOperations(UserOperationLogContext context) {
    if (isHistoryLevelFullEnabled()) {
      ProcessEngineConfigurationImpl configuration = Context.getProcessEngineConfiguration();


      HistoryEventProducer eventProducer = configuration.getHistoryEventProducer();
      HistoryEventHandler eventHandler = configuration.getHistoryEventHandler();


      List<HistoryEvent> historyEvents = eventProducer.createUserOperationLogEvents(context);
      eventHandler.handleEvents(historyEvents);
    }
  }

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    HistoryLevel historyLevel = processEngineConfiguration.getHistoryLevel();
    if(historyLevel.isHistoryEventProduced(eventType, this)) {


      final HistoryEventProducer eventProducer = processEngineConfiguration.getHistoryEventProducer();
      final HistoryEventHandler eventHandler = processEngineConfiguration.getHistoryEventHandler();


      HistoryEvent event = null;
      if (HistoryEvent.INCIDENT_CREATE.equals(eventType.getEventName())) {
        event = eventProducer.createHistoricIncidentCreateEvt(this);


      } else if (HistoryEvent.INCIDENT_RESOLVE.equals(eventType.getEventName())) {
        event = eventProducer.createHistoricIncidentResolveEvt(this);


      } else if (HistoryEvent.INCIDENT_DELETE.equals(eventType.getEventName())) {
        event = eventProducer.createHistoricIncidentDeleteEvt(this);


      } else {
        return;
      }


      eventHandler.handleEvent(event);
    }
  }

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  }


  public void notify(DelegateTask task) {


    // get the event handler
    final HistoryEventHandler historyEventHandler = Context.getProcessEngineConfiguration()
      .getHistoryEventHandler();


    ExecutionEntity execution = ((TaskEntity) task).getExecution();


    if (execution != null) {


      // delegate creation of the history event to the producer
      HistoryEvent historyEvent = createHistoryEvent(task, execution);


      if(historyEvent != null) {
        // pass the event to the handler
        historyEventHandler.handleEvent(historyEvent);
      }


    }


  }

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  }


  public void notify(DelegateExecution execution) throws Exception {


    // get the event handler
    final HistoryEventHandler historyEventHandler = Context.getProcessEngineConfiguration()
      .getHistoryEventHandler();


    // delegate creation of the history event to the producer
    HistoryEvent historyEvent = createHistoryEvent(execution);


    if(historyEvent != null) {
      // pass the event to the handler
      historyEventHandler.handleEvent(historyEvent);
    }


  }

View Full Code Here

  public void fireHistoricCaseActivityInstanceUpdate() {
    ProcessEngineConfigurationImpl configuration = Context.getProcessEngineConfiguration();
    HistoryLevel historyLevel = configuration.getHistoryLevel();
    if (historyLevel.isHistoryEventProduced(HistoryEventTypes.CASE_ACTIVITY_INSTANCE_UPDATE, this)) {
      CmmnHistoryEventProducer eventProducer = configuration.getCmmnHistoryEventProducer();
      HistoryEventHandler eventHandler = configuration.getHistoryEventHandler();


      HistoryEvent event = eventProducer.createCaseActivityInstanceUpdateEvt(this);
      eventHandler.handleEvent(event);
    }
  }

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    HistoryLevel historyLevel = configuration.getHistoryLevel();
    // TODO: This smells bad, as the rest of the history is done via the ParseListener
    if (historyLevel.isHistoryEventProduced(HistoryEventTypes.PROCESS_INSTANCE_START, processInstance)) {


      final HistoryEventProducer eventFactory = configuration.getHistoryEventProducer();
      final HistoryEventHandler eventHandler = configuration.getHistoryEventHandler();


      // publish event for historic process instance start
      HistoryEvent pise = eventFactory.createProcessInstanceStartEvt(processInstance);
      eventHandler.handleEvent(pise);


    }


    return processInstance;
  }

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    HistoryLevel historyLevel = configuration.getHistoryLevel();
    if(historyLevel.isHistoryEventProduced(HistoryEventTypes.TASK_INSTANCE_UPDATE, taskEntity)) {


      final HistoryEventProducer eventProducer = configuration.getHistoryEventProducer();
      final HistoryEventHandler eventHandler = configuration.getHistoryEventHandler();


      HistoryEvent evt = eventProducer.createTaskInstanceUpdateEvt(taskEntity);
      eventHandler.handleEvent(evt);


    }
  }

View Full Code Here


    HistoryLevel historyLevel = Context.getProcessEngineConfiguration().getHistoryLevel();
    if (historyLevel.isHistoryEventProduced(HistoryEventTypes.VARIABLE_INSTANCE_DELETE, variableInstance)) {


      final ProcessEngineConfigurationImpl processEngineConfiguration = Context.getProcessEngineConfiguration();
      final HistoryEventHandler eventHandler = processEngineConfiguration.getHistoryEventHandler();
      final HistoryEventProducer eventProducer = processEngineConfiguration.getHistoryEventProducer();


      HistoryEvent evt = eventProducer.createHistoricVariableDeleteEvt(variableInstance, sourceActivityExecution);
      eventHandler.handleEvent(evt);


    }


  }

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    HistoryLevel historyLevel = Context.getProcessEngineConfiguration().getHistoryLevel();
    if (historyLevel.isHistoryEventProduced(HistoryEventTypes.VARIABLE_INSTANCE_CREATE, variableInstance)) {


      final ProcessEngineConfigurationImpl processEngineConfiguration = Context.getProcessEngineConfiguration();
      final HistoryEventHandler eventHandler = processEngineConfiguration.getHistoryEventHandler();
      final HistoryEventProducer eventProducer = processEngineConfiguration.getHistoryEventProducer();


      HistoryEvent evt = eventProducer.createHistoricVariableCreateEvt(variableInstance, sourceActivityExecution);
      eventHandler.handleEvent(evt);


    }


  }

View Full Code Here

  public void fireHistoricVariableInstanceUpdate(VariableInstanceEntity variableInstance, AbstractVariableScope sourceActivityExecution) {
    HistoryLevel historyLevel = Context.getProcessEngineConfiguration().getHistoryLevel();
    if (historyLevel.isHistoryEventProduced(HistoryEventTypes.VARIABLE_INSTANCE_UPDATE, variableInstance)) {


      final ProcessEngineConfigurationImpl processEngineConfiguration = Context.getProcessEngineConfiguration();
      final HistoryEventHandler eventHandler = processEngineConfiguration.getHistoryEventHandler();
      final HistoryEventProducer eventProducer = processEngineConfiguration.getHistoryEventProducer();


      HistoryEvent evt = eventProducer.createHistoricVariableUpdateEvt(variableInstance, sourceActivityExecution);
      eventHandler.handleEvent(evt);


    }
  }

View Full Code Here

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org.camunda.bpm.engine.impl.history.parser.HistoryExecutionListener

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