Interface ChartObserver


public interface ChartObserver
A ChartObserver is notified when the chart or chart elements change state.
  • Method Details

    • onBeforeChartStart

      void onBeforeChartStart(ChartContext chartContext)
      Provides the full chart context before the chart is started. Provides an opportunity to modify chart scope or perform other operations before the chart begins.
    • onChartStateChange

      void onChartStateChange(UUID instanceId, ChartStateEnum previousState, ChartStateEnum currentState)
    • onElementStateChange

      void onElementStateChange(UUID chartInstanceId, UUID elementId, ElementStateEnum previousState, ElementStateEnum currentState)