@Atomic
public static Boolean run(
FinalDegreeWorkGroup group, String groupProposalOID, Integer orderOfPreference) {
check(RolePredicates.STUDENT_PREDICATE);
GroupProposal groupProposal = FenixFramework.getDomainObject(groupProposalOID);
if (group != null && groupProposal != null) {
for (GroupProposal otherGroupProposal : group.getGroupProposalsSet()) {
if (otherGroupProposal != null
&& !groupProposal.getExternalId().equals(otherGroupProposal.getExternalId())) {
int otherOrderOfPreference = otherGroupProposal.getOrderOfPreference().intValue();
if (orderOfPreference.intValue() <= otherOrderOfPreference
&& groupProposal.getOrderOfPreference().intValue() > otherOrderOfPreference) {
otherGroupProposal.setOrderOfPreference(new Integer(otherOrderOfPreference + 1));
} else if (orderOfPreference.intValue() >= otherOrderOfPreference
&& groupProposal.getOrderOfPreference().intValue() < otherOrderOfPreference) {
otherGroupProposal.setOrderOfPreference(new Integer(otherOrderOfPreference - 1));
}
}
}
groupProposal.setOrderOfPreference(orderOfPreference);
}
return true;
}
