if(itemRemoved) {
dscAlarmUpdateMap.clear();
} else {
DSCAlarmBindingProvider dscAlarmBindingProvider = (DSCAlarmBindingProvider) provider;
if(dscAlarmBindingProvider != null) {
DSCAlarmBindingConfig dscAlarmBindingConfig = dscAlarmBindingProvider.getDSCAlarmBindingConfig(itemName);
if(dscAlarmBindingConfig != null) {
dscAlarmUpdateMap.put(itemName, dscAlarmBindingConfig);
}
}
}