/// <summary>
/// Populate the sub entities of widgetList
/// </summary>
/// <param name="widgets"></param>
/// <param name="toPopulate"></param>
public override void Populate(IEnumerable <Widget> widgets, Flags toPopulate)
{
Log("Populate", widgets.GetIdenties(), toPopulate);
// Implement breadth first loading of related entities.
// Any entity that has been requested to be loaded, should be loaded at this level where possible.
// Remove all sub entity types that this entity relates to directly.
Flags stillToPopulate = toPopulate;
stillToPopulate = stillToPopulate.Remove(EntityType.FieldTest);
stillToPopulate = stillToPopulate.Remove(EntityType.FieldTest);
stillToPopulate = stillToPopulate.Remove(EntityType.Thing);
// Get sub entities: FieldTest
if ((toPopulate & EntityType.FieldTest) == EntityType.FieldTest)
{
// Grab the ones that actually need populating
IEnumerable <Widget> toBePopulated = widgets.Where(entity => entity.FieldTestListUsingForeignKeyFieldPopulated == false);
// And load the sub entities for those ones.
FieldTestList childFieldTestList = toBePopulated.Count() > 0
? FieldTestRepo.GetByForeignKeyField(
toBePopulated.GetIdenties(),
stillToPopulate)
: new FieldTestList();
Dictionary <int, List <FieldTest> > fieldTestListByForeignKeyField = childFieldTestList.MapByForeignKeyField;
// Now go over all the entites. For ones that need popualting, populate collection
// directly. For those already populated, make a check on sub entities to ensure
// they are loaded to the required level
FieldTestList toBeChecked = new FieldTestList();
foreach (Widget widget in widgets)
{
if (!widget.FieldTestListUsingForeignKeyFieldPopulated)
{
var FieldTestListsForWidget = fieldTestListByForeignKeyField.ContainsKey(widget.Identity)
? fieldTestListByForeignKeyField[widget.Identity]
: null;
if (FieldTestListsForWidget != null)
{
FieldTestListsForWidget.ForEach(entity => entity.ForeignKeyFieldWidget = widget);
}
widget.PopulateFieldTestListUsingForeignKeyField(FieldTestListsForWidget);
}
else
{
toBeChecked.AddRange(widget.FieldTestListUsingForeignKeyField);
}
}
// If there's any "to be checked" (because they were already loaded) let the entities own
// repo do whatever checks it needs to do
if (toBeChecked.Count > 0)
{
FieldTestRepo.Populate(toBeChecked, stillToPopulate);
}
}
// Get sub entities: FieldTest
if ((toPopulate & EntityType.FieldTest) == EntityType.FieldTest)
{
// Grab the ones that actually need populating
IEnumerable <Widget> toBePopulated = widgets.Where(entity => entity.FieldTestListUsingForeignKeyFieldNullablePopulated == false);
// And load the sub entities for those ones.
FieldTestList childFieldTestList = toBePopulated.Count() > 0
? FieldTestRepo.GetByForeignKeyFieldNullable(
toBePopulated.GetIdenties().Select(i => new Nullable <int>(i)).ToArray(),
stillToPopulate)
: new FieldTestList();
Dictionary <int?, List <FieldTest> > fieldTestListByForeignKeyFieldNullable = childFieldTestList.MapByForeignKeyFieldNullable;
// Now go over all the entites. For ones that need popualting, populate collection
// directly. For those already populated, make a check on sub entities to ensure
// they are loaded to the required level
FieldTestList toBeChecked = new FieldTestList();
foreach (Widget widget in widgets)
{
if (!widget.FieldTestListUsingForeignKeyFieldNullablePopulated)
{
var FieldTestListsForWidget = fieldTestListByForeignKeyFieldNullable.ContainsKey(widget.Identity)
? fieldTestListByForeignKeyFieldNullable[widget.Identity]
: null;
if (FieldTestListsForWidget != null)
{
FieldTestListsForWidget.ForEach(entity => entity.ForeignKeyFieldNullableWidget = widget);
}
widget.PopulateFieldTestListUsingForeignKeyFieldNullable(FieldTestListsForWidget);
}
else
{
toBeChecked.AddRange(widget.FieldTestListUsingForeignKeyFieldNullable);
}
}
// If there's any "to be checked" (because they were already loaded) let the entities own
// repo do whatever checks it needs to do
if (toBeChecked.Count > 0)
{
FieldTestRepo.Populate(toBeChecked, stillToPopulate);
}
}
// Get parent entities: Thing
if ((toPopulate & EntityType.Thing) == EntityType.Thing)
{
// Grab the ids for the ones that actually need populating
IEnumerable <Widget> toBePopulated = widgets.Where(entity => entity.ThingRequiresPopulation);
int[] idsToLoad = toBePopulated.Select(entity => entity.ThingId).ToList().ToArray();
// And load the sub entities for those ones.
ThingList parentThingList = toBePopulated.Count() > 0
? ThingRepo.Get(idsToLoad, stillToPopulate)
: new ThingList();
Dictionary <int, Thing> thingListById = parentThingList.MapById;
// Now go over all the entites. For ones that need popualting, populate entities
// directly. For those already populated, make a check on sub entities to ensure
// they are loaded to the required level
ThingList toBeChecked = new ThingList();
foreach (Widget widget in widgets)
{
if (widget.ThingRequiresPopulation)
{
widget.Thing =
thingListById.ContainsKey(widget.ThingId)
? thingListById[widget.ThingId]
: null;
}
else if (widget.ThingPopulated)
{
toBeChecked.Add(widget.Thing);
}
}
// If there's any "to be checked" (because they were already loaded) let the entiies own
// repo do whatever checks it needs to do
if (toBeChecked.Count > 0)
{
ThingRepo.Populate(toBeChecked, stillToPopulate);
}
}
}
public static void Save(FieldTestList fieldTestList)
{
_instance.Save(fieldTestList);
}
public static void Populate(FieldTestList fieldTestList, Flags toPopulate)
{
_instance.Populate(fieldTestList, toPopulate);
}
public static void Save(Flags toSave, FieldTestList fieldTestList)
{
_instance.Save(toSave, fieldTestList);
}
public static void Refresh(FieldTestList fieldTestList, Flags toPopulate)
{
_instance.Refresh(fieldTestList, toPopulate);
}
