/**
* Persists this object to the database by storing its data as XML blobs.
*
* @throws PropertyException when the operations fails.
*/
public void persist() throws PropertyException {
try {
// first check if we have to create/update the property defintion or merely
// have to add an PropertyLookup entry for it.
if (!existingPropertyDef) {
// we are dealing with a property definition that was defined in this
// uol. So create/up the definition and optionally add the property lookup
try {
// try to find find the property definition
pdf = new PropertyDefFacade(uolId, propId);
// update this definition
pdf.setDto(dto);
} catch (FinderException ex) {
// no PropertyDef was found, so create a new PropertyDef
pdf = new PropertyDefFacade(dto);
// set the values for this definitions
dto = pdf.getDto();
// create an entry for this PropertyDefEntity the PropertyLookUp
new PropertyLookUpFacade(uolId, propId, dto.getPropDefPK(), dto.getDataType());
}
} else {
// The definition was created outside this uol so only the lookup table needs to be altered.
PropertyLookUpFacade plf;
// check if the lookup already exists
try {
plf = new PropertyLookUpFacade(uolId, propId);
// found, remove the lookup record
plf.remove();
} catch (FinderException ex1) {
// nothing needs to happen
}
// not found or removed, create an new entry for this existing PropertyDefEntity
new PropertyLookUpFacade(uolId, propId, dto.getPropDefPK(), dto.getDataType());
}
} catch (CreateException ex) {
throw new PropertyException(ex);
} catch (RemoveException ex) {
throw new PropertyException(ex);
}
}
/**
* Returns the data type of this property. Allowed data types are: activity-structure,
* activity-tree, act, environment, environment-tree, expression, learning-activity,
* learning-object, monitor, play, rolepart, roles-tree, send-mail, support-activity,
* unit-of-learning, integer, real, string, text, datetime, duration, file, boolean and uri.
*
* @return String representing the data type of this PropertyDefinition
*/
public String getDataType() {
return dto.getDataType();
}
