Beispiel #1
0
        /// <summary>
        /// Delete a debt holder
        /// </summary>
        /// <returns>True for sucess</returns>
        public override ErrorCode Delete(DebtHolder record)
        {
            DataModel                      dataModel               = new DataModel();
            DataModelTransaction           transaction             = DataModelTransaction.Current;
            WorkingOrderPersistence        workingOrderPersistence = new WorkingOrderPersistence();
            DebtRulePersistence            debtRulePersistence     = new DebtRulePersistence();
            DebtHolderRow                  debtHolderRow           = DataModel.DebtHolder.DebtHolderKey.Find(record.RowId);
            DebtHolderImportTranslationRow debtHolderImportTranslationRow;
            DebtClassRow                   debtClassRow;
            BlotterRow                     blotterRow;

            WorkingOrderRow[] workingOrderRows;
            DebtRuleMapRow[]  debtRuleMapRows;
            EntityRow         entityRow;

            EntityTreeRow[] children;
            Guid            entityId;
            Int64           entityRowVersion;
            Guid            debtHolderImportTranslationId         = Guid.Empty;
            Int64           debtHolderImportTranslationRowVersion = 0;

            if (record.RowId == null || debtHolderRow == null)
            {
                return(ErrorCode.RecordNotFound);
            }
            if (!DataModelFilters.HasAccess(transaction, TradingSupport.UserId, record.RowId, AccessRight.Write))
            {
                return(ErrorCode.AccessDenied);
            }

            debtHolderRow.AcquireReaderLock(transaction);
            debtClassRow = debtHolderRow.DebtClassRow;
            debtHolderImportTranslationRow = debtHolderRow.DebtHolderImportTranslationRow;
            debtHolderRow.ReleaseReaderLock(transaction.TransactionId);

            if (debtHolderImportTranslationRow != null)
            {
                debtHolderImportTranslationRow.AcquireReaderLock(transaction);
                debtHolderImportTranslationId         = debtHolderImportTranslationRow.DebtHolderImportTranslationId;
                debtHolderImportTranslationRowVersion = debtHolderImportTranslationRow.RowVersion;
                debtHolderImportTranslationRow.ReleaseReaderLock(transaction.TransactionId);
            }

            debtClassRow.AcquireReaderLock(transaction);
            blotterRow      = debtClassRow.BlotterRow;
            debtRuleMapRows = debtClassRow.GetDebtRuleMapRows();
            debtClassRow.ReleaseReaderLock(transaction.TransactionId);

            blotterRow.AcquireReaderLock(transaction);
            entityRow        = blotterRow.EntityRow;
            workingOrderRows = blotterRow.GetWorkingOrderRows();
            blotterRow.ReleaseLock(transaction.TransactionId);

            entityRow.AcquireReaderLock(transaction);
            children         = entityRow.GetEntityTreeRowsByFK_Entity_EntityTree_ParentId();
            entityId         = entityRow.EntityId;
            entityRowVersion = entityRow.RowVersion;
            entityRow.ReleaseReaderLock(transaction.TransactionId);

            // Fail if the debt class has any children.
            if (children.Length != 0)
            {
                return(ErrorCode.AccessDenied);
            }

            // Destroy the import translation.
            if (debtHolderImportTranslationRow != null)
            {
                dataModel.DestroyDebtHolderImportTranslation(new object[] { debtHolderImportTranslationId }, debtHolderImportTranslationRowVersion);
            }

            // Delete any rules this debt class may own.
            foreach (DebtRuleMapRow debtRuleMapRow in debtRuleMapRows)
            {
                DebtRuleRow debtRuleRow;

                debtRuleMapRow.AcquireReaderLock(transaction);
                debtRuleRow = debtRuleMapRow.DebtRuleRow;
                debtRuleMapRow.ReleaseReaderLock(transaction.TransactionId);

                debtRulePersistence.DeleteRow(dataModel, transaction, debtRuleRow);
            }

            // Delete any working orders this debt class may contain.
            foreach (WorkingOrderRow workingOrderRow in workingOrderRows)
            {
                workingOrderPersistence.DeleteRow(dataModel, transaction, workingOrderRow);
            }

            // Delete the entity itself.
            dataModel.DestroyEntity(new object[] { entityId }, entityRowVersion);

            return(ErrorCode.Success);
        }