/**
* find any cycle happening in any refer o fletter between users
* */
private void checkForReferenceCycle(int letterId, int newFromUserId, int newToUserId)
{
ReferLetterEntity referEntity = getLastReferedEntity(letterId);
if (referEntity == null)
{
return;
}
int lastFromUser = int.Parse(
referEntity.Tables[0].Rows[0][ReferLetterEntity.FIELD_REFER_FROM_USER].ToString());
if (lastFromUser == newToUserId)
{
//a cycle happened
// persist it
ReferenceCycleEntity cycleEntity = new ReferenceCycleEntity();
DataRow dr = null;
dr = cycleEntity.Tables[cycleEntity.TableName].NewRow();
cycleEntity.FilledTableName = cycleEntity.TableName;
dr[ReferenceCycleEntity.FIELD_FIRSTREFERDATE] = referEntity.Tables[0].Rows[0][ReferLetterEntity.FIELD_REFER_DATE];
dr[ReferenceCycleEntity.FIELD_FIRSTFROMUSER] = referEntity.Tables[0].Rows[0][ReferLetterEntity.FIELD_REFER_FROM_USER];
dr[ReferenceCycleEntity.FIELD_FIRSTTOUSER] = referEntity.Tables[0].Rows[0][ReferLetterEntity.FIELD_REFER_TO_USER];
dr[ReferenceCycleEntity.FIELD_SECONDREFERDATE] = DateTime.Now;
dr[ReferenceCycleEntity.FIELD_SECONDFROMUSER] = newFromUserId;
dr[ReferenceCycleEntity.FIELD_SECONDTOUSER] = newToUserId;
dr[ReferenceCycleEntity.FIELD_LETTERID] = letterId;
cycleEntity.Tables[cycleEntity.TableName].Rows.Add(dr);
ReferenceCycleBL referenceCycleBL = new ReferenceCycleBL();
referenceCycleBL.add(cycleEntity);
}
}