public void updateCustomField(CustomField field) throws ApplicationException {
if (field == null
|| ConvertUtil.isNullOrEmpty(field.getEntityName())
|| ConvertUtil.isNullOrEmpty(field.getFieldName())
|| ConvertUtil.isNullOrEmpty(field.getSourceFieldName())) {
log.info("The custom field to be updated is invalid: " + field);
throw new ApplicationException(
"Unable to update custom field with an invalid custom field definition.");
}
Entity entity = findLatestEntityVersionByName(field.getEntityName());
EntityAttribute attrib = null;
for (EntityAttribute item : entity.getAttributes()) {
if (item.getName().equalsIgnoreCase(field.getFieldName()) && item.getDateVoided() == null) {
attrib = item;
}
}
if (attrib == null) {
log.info("The user attempted to update a field that does not exist.");
throw new ApplicationException("Unable to update an unknown custom field definition.");
}
attrib.setFunctionParameters(serializeParameters(field.getConfigurationParameters()));
attrib.setDateChanged(new Date());
attrib.setSourceName(field.getSourceFieldName());
attrib.setTransformationFunction(field.getTransformationFunctionName());
attrib.setUserChangedBy(Context.getUserContext().getUser());
try {
entityDefinitionDao.updateEntity(entity);
// Generate a notification event to inform interested listeners via the lightweight mechanism
// that this event has occurred.
Context.notifyObserver(ObservationEventType.CUSTOM_FIELD_UPDATE_EVENT, field);
} catch (DaoException e) {
log.error("Failed while updating a custom field: " + e, e);
throw new ApplicationException("Failed while updating the custom field: " + e.getMessage());
}
}
private EntityAttribute buildAttributeFromCustomField(Entity entity, CustomField field) {
EntityAttribute attrib = new EntityAttribute();
EntityAttributeDatatype type = getDatatypeByCode(EntityAttributeDatatype.STRING_DATATYPE_CD);
attrib.setDatatype(type);
attrib.setDateCreated(new Date());
attrib.setDescription(field.getFieldName());
attrib.setDisplayName(field.getFieldName());
attrib.setDisplayOrder(1000);
attrib.setEntity(entity);
attrib.setFunctionParameters(serializeParameters(field.getConfigurationParameters()));
attrib.setIndexed(false);
attrib.setSearchable(false);
attrib.setCaseInsensitive(false);
attrib.setIsCustom(true);
attrib.setName(field.getFieldName());
attrib.setSourceName(field.getSourceFieldName());
attrib.setTransformationFunction(field.getTransformationFunctionName());
attrib.setUserCreatedBy(Context.getUserContext().getUser());
return attrib;
}