Пример #1
0
        /// <summary>
        /// This method deletes a 'Project' object.
        /// </summary>
        /// <param name='List<PolymorphicObject>'>The 'Project' to delete.
        /// <returns>A PolymorphicObject object with a Boolean value.
        internal PolymorphicObject DeleteProject(List <PolymorphicObject> parameters, DataConnector dataConnector)
        {
            // Initial Value
            PolymorphicObject returnObject = new PolymorphicObject();

            // If the data connection is connected
            if ((dataConnector != null) && (dataConnector.Connected == true))
            {
                // Create Delete StoredProcedure
                DeleteProjectStoredProcedure deleteProjectProc = null;

                // verify the first parameters is a(n) 'Project'.
                if (parameters[0].ObjectValue as Project != null)
                {
                    // Create Project
                    Project project = (Project)parameters[0].ObjectValue;

                    // verify project exists
                    if (project != null)
                    {
                        // Now create deleteProjectProc from ProjectWriter
                        // The DataWriter converts the 'Project'
                        // to the SqlParameter[] array needed to delete a 'Project'.
                        deleteProjectProc = ProjectWriter.CreateDeleteProjectStoredProcedure(project);
                    }
                }

                // Verify deleteProjectProc exists
                if (deleteProjectProc != null)
                {
                    // Execute Delete Stored Procedure
                    bool deleted = this.DataManager.ProjectManager.DeleteProject(deleteProjectProc, dataConnector);

                    // Create returnObject.Boolean
                    returnObject.Boolean = new NullableBoolean();

                    // If delete was successful
                    if (deleted)
                    {
                        // Set returnObject.Boolean.Value to true
                        returnObject.Boolean.Value = NullableBooleanEnum.True;
                    }
                    else
                    {
                        // Set returnObject.Boolean.Value to false
                        returnObject.Boolean.Value = NullableBooleanEnum.False;
                    }
                }
            }
            else
            {
                // Raise Error Data Connection Not Available
                throw new Exception("The database connection is not available.");
            }

            // return value
            return(returnObject);
        }