/// <summary>
        /// Save (insert/update) a Thing into the store
        /// </summary>
        /// <param name="entitiesBeingHandled">Entities already being saved further up the save stack</param>
        /// <param name="things">The Things to save</param>
        /// <param name="toSave">Entity types to cascade to, if they are loaded</param>
        internal void Save(List <Entity> entitiesBeingHandled, Flags toSave, params Thing[] things)
        {
            if (things == null)
            {
                throw new ArgumentNullException("things");
            }
            Log("Save", things.Select <Thing, int>(entity => entity.Identity).ToArray <int>(), EntityType.None);

            // Copy the list of entities being handled, and add this new set of entities to it.
            // We're handling those now.
            List <Entity> entitiesNowBeingHandled = new List <Entity>(entitiesBeingHandled);

            entitiesNowBeingHandled.AddRange(things);

            // Loop over each entity and save it.
            foreach (Thing thing in things)
            {
                // Already being saved higher up the stack?
                if (entitiesBeingHandled.ContainsEntity(thing))
                {
                    continue;
                }

                // Allow derived/partial class to do extra work
                OnBeforeSaveEntity(thing);

                bool saved = false;

                try
                {
                    // Save the entity
                    if (thing.IsNew)
                    {
                        this.Mapper.Insert("InsertThing", thing);
                        saved = true;
                    }
                    else if (thing.IsChanged)
                    {
                        if (this.Mapper.Update("UpdateThing", thing) != 1)
                        {
                            ThrowThingEntityException(thing.Identity);
                        }
                        saved = true;
                    }
                }
                catch (Exception ex)
                {
                    throw EntityLogger.WriteUnexpectedException(
                              ex,
                              "Failed to insert/update Entity",
                              Category.EntityFramework,
                              thing);
                }

                // Save child entities... update their key to us
                if ((toSave & EntityType.Widget) == EntityType.Widget &&
                    thing.WidgetListPopulated)
                {
                    foreach (Widget childWidget in thing.WidgetList)
                    {
                        childWidget.ThingId = thing.Identity;
                        if (!entitiesBeingHandled.ContainsEntity(childWidget))
                        {
                            if (childWidget.IsDeleted)
                            {
                                WidgetRepo.Delete(entitiesNowBeingHandled, toSave, childWidget);
                            }
                            else
                            {
                                WidgetRepo.Save(entitiesNowBeingHandled, toSave, childWidget);
                            }
                        }
                    }
                }

                // Post save protocol
                if (saved)
                {
                    // Allow derived/partial class to do extra work
                    OnAfterSaveEntity(thing);

                    thing.Reset();

                    //The insert/update will have resulted in a new database_update row, inform interested parties
                    RaiseModelChanged();
                }
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Save (insert/update) a FieldTest into the store
        /// </summary>
        /// <param name="entitiesBeingHandled">Entities already being saved further up the save stack</param>
        /// <param name="fieldTests">The FieldTests to save</param>
        /// <param name="toSave">Entity types to cascade to, if they are loaded</param>
        internal void Save(List <Entity> entitiesBeingHandled, Flags toSave, params FieldTest[] fieldTests)
        {
            if (fieldTests == null)
            {
                throw new ArgumentNullException("fieldTests");
            }
            Log("Save", fieldTests.Select <FieldTest, int>(entity => entity.Identity).ToArray <int>(), EntityType.None);

            // Copy the list of entities being handled, and add this new set of entities to it.
            // We're handling those now.
            List <Entity> entitiesNowBeingHandled = new List <Entity>(entitiesBeingHandled);

            entitiesNowBeingHandled.AddRange(fieldTests);

            // Loop over each entity and save it.
            foreach (FieldTest fieldTest in fieldTests)
            {
                // Already being saved higher up the stack?
                if (entitiesBeingHandled.ContainsEntity(fieldTest))
                {
                    continue;
                }

                // Allow derived/partial class to do extra work
                OnBeforeSaveEntity(fieldTest);

                // Save parent entity... so we can update our key to it
                if ((toSave & EntityType.Widget) == EntityType.Widget &&
                    fieldTest.ForeignKeyFieldWidgetPopulated)
                {
                    if (!entitiesBeingHandled.ContainsEntity(fieldTest.ForeignKeyFieldWidget))
                    {
                        WidgetRepo.Save(entitiesNowBeingHandled, toSave, fieldTest.ForeignKeyFieldWidget);
                        fieldTest.ForeignKeyField = fieldTest.ForeignKeyFieldWidget.Identity;
                    }
                }

                // Save parent entity... so we can update our key to it
                if ((toSave & EntityType.Widget) == EntityType.Widget &&
                    fieldTest.ForeignKeyFieldNullableWidgetPopulated)
                {
                    if (!entitiesBeingHandled.ContainsEntity(fieldTest.ForeignKeyFieldNullableWidget))
                    {
                        WidgetRepo.Save(entitiesNowBeingHandled, toSave, fieldTest.ForeignKeyFieldNullableWidget);
                        fieldTest.ForeignKeyFieldNullable = fieldTest.ForeignKeyFieldNullableWidget.Identity;
                    }
                }

                bool saved = false;

                try
                {
                    // Save the entity
                    if (fieldTest.IsNew)
                    {
                        this.Mapper.Insert("InsertFieldTest", fieldTest);
                        saved = true;
                    }
                    else if (fieldTest.IsChanged)
                    {
                        if (this.Mapper.Update("UpdateFieldTest", fieldTest) != 1)
                        {
                            ThrowFieldTestEntityException(fieldTest.Identity);
                        }
                        saved = true;
                    }
                }
                catch (Exception ex)
                {
                    throw EntityLogger.WriteUnexpectedException(
                              ex,
                              "Failed to insert/update Entity",
                              Category.EntityFramework,
                              fieldTest);
                }

                // Post save protocol
                if (saved)
                {
                    // Allow derived/partial class to do extra work
                    OnAfterSaveEntity(fieldTest);

                    fieldTest.Reset();

                    //The insert/update will have resulted in a new database_update row, inform interested parties
                    RaiseModelChanged();
                }
            }
        }