public String undo(ValueEvent ve) {
List<ValueEvent> newer = eventDAO.getNewerEvents(ve);
Collections.sort(newer);
if (stillExists(newer)) {
Value v = valueDAO.findByID(new Value.ValueId(ve.getAttributeId(), ve.getTrialdataId()));
if (ve instanceof ValueCreateEvent) {
log.debug("Removing Value #0/#1", v.getId().getAttributeId(), v.getId().getTrialDataId());
valueDAO.remove(v);
} else {
log.debug(
"reversing value of #0/#1 to #2",
v.getId().getAttributeId(),
v.getId().getTrialDataId(),
ve.getOldValue());
v.setValueObject(ve.getOldValue());
}
} else {
if (!(ve instanceof ValueCreateEvent)) {
log.debug(
"restoring value #0/#1 with value #2",
ve.getAttributeId(),
ve.getTrialdataId(),
ve.getOldValue());
Attribute a = attributeDAO.findByID(ve.getAttributeId());
if (a == null)
throw new IllegalArgumentException(
"Could not restore value, attribute has been removed!");
Value v = valueFactory.getValueObject(a.getFormElement().getDataType());
v.setAttribute(a);
TrialData td = new TrialData();
td.setId(ve.getTrialdataId());
v.setTrialData(td);
v.setValueObject(ve.getOldValue());
valueDAO.persist(v);
}
}
// remove all newer Events
for (ValueEvent ve1 : newer) {
eventDAO.remove(ve1);
}
// reset datamodel
changes = null;
return null;
}
public TrialDataImportResult importTrialData(Long editTrialDataID, InputStream is)
throws ExcelImportExportException {
// map to collect invalid date values. this map allows further
// processing
// (not implemented atm)
Map<Value, Serializable> invalidDateValues = new HashMap<Value, Serializable>();
// map to store the values from the xls
Map<String, Serializable> valueMap = null;
int importCnt = 0;
TrialData trialData = trialDataDAO.findByID(editTrialDataID);
valueMap = excelReader.readXLSX(is);
log.info("sucessfully loaded data from excel sheet");
for (AttributeGroup aGroup : trialData.getTrialform().getAttributeGroups()) {
for (Attribute attr : aGroup.getAttributes()) {
// search attribute in map
Serializable mapVal = valueMap.get(attr.getName());
if (mapVal == null) continue;
importCnt++;
Value value = valueFactory.getValueObject(attr.getFormElement().getDataType());
try {
value.setValueObject(mapVal);
} catch (IllegalArgumentException e) {
if (value.getType() == DATATYPE.DATE) {
invalidDateValues.put(value, mapVal);
}
}
value.setAttribute(attr);
value.setTrialData(trialData);
trialData.getValues().add(value);
valueDAO.persist(value);
}
}
TrialDataImportResult result = new TrialDataImportResult();
result.setImportCnt(importCnt);
result.setSuccCnt(valueMap.keySet().size());
result.setTrialData(trialData);
return result;
}
