}
};
instance.setAlarmHandler(otterAlarmHandler);
CanalEventSink eventSink = instance.getEventSink();
if (eventSink instanceof AbstractCanalEventSink) {
handler = new OtterDownStreamHandler();
handler.setPipelineId(pipelineId);
handler.setDetectingEnable(canal.getCanalParameter().getDetectingEnable());
handler.setDetectingIntervalInSeconds(canal.getCanalParameter().getDetectingIntervalInSeconds());