コード例 #1
0
        private void FixupSalesPerson(SalesPerson previousValue, bool skipKeys = false)
        {
            if (IsDeserializing)
            {
                return;
            }

            if (previousValue != null && previousValue.SalesOrderHeaders.Contains(this))
            {
                previousValue.SalesOrderHeaders.Remove(this);
            }

            if (SalesPerson != null)
            {
                if (!SalesPerson.SalesOrderHeaders.Contains(this))
                {
                    SalesPerson.SalesOrderHeaders.Add(this);
                }

                SalesPersonID = SalesPerson.SalesPersonID;
            }
            else if (!skipKeys)
            {
                SalesPersonID = null;
            }

            if (ChangeTracker.ChangeTrackingEnabled)
            {
                if (ChangeTracker.OriginalValues.ContainsKey("SalesPerson")
                    && (ChangeTracker.OriginalValues["SalesPerson"] == SalesPerson))
                {
                    ChangeTracker.OriginalValues.Remove("SalesPerson");
                }
                else
                {
                    ChangeTracker.RecordOriginalValue("SalesPerson", previousValue);
                }
                if (SalesPerson != null && !SalesPerson.ChangeTracker.ChangeTrackingEnabled)
                {
                    SalesPerson.StartTracking();
                }
            }
        }
コード例 #2
0
ファイル: Employee.cs プロジェクト: asabbott/demo-odata
        private void FixupSalesPerson(SalesPerson previousValue)
        {
            // This is the principal end in an association that performs cascade deletes.
            // Update the event listener to refer to the new dependent.
            if (previousValue != null)
            {
                ChangeTracker.ObjectStateChanging -= previousValue.HandleCascadeDelete;
            }

            if (SalesPerson != null)
            {
                ChangeTracker.ObjectStateChanging += SalesPerson.HandleCascadeDelete;
            }

            if (IsDeserializing)
            {
                return;
            }

            if (previousValue != null && ReferenceEquals(previousValue.Employee, this))
            {
                previousValue.Employee = null;
            }

            if (SalesPerson != null)
            {
                SalesPerson.Employee = this;
            }

            if (ChangeTracker.ChangeTrackingEnabled)
            {
                if (ChangeTracker.OriginalValues.ContainsKey("SalesPerson")
                    && (ChangeTracker.OriginalValues["SalesPerson"] == SalesPerson))
                {
                    ChangeTracker.OriginalValues.Remove("SalesPerson");
                }
                else
                {
                    ChangeTracker.RecordOriginalValue("SalesPerson", previousValue);
                    // This is the principal end of an identifying association, so the dependent must be deleted when the relationship is removed.
                    // If the current state of the dependent is Added, the relationship can be changed without causing the dependent to be deleted.
                    if (previousValue != null && previousValue.ChangeTracker.State != ObjectState.Added)
                    {
                        previousValue.MarkAsDeleted();
                    }
                }
                if (SalesPerson != null && !SalesPerson.ChangeTracker.ChangeTrackingEnabled)
                {
                    SalesPerson.StartTracking();
                }
            }
        }