private void ProcessEntry(ReferenceEntry referenceEntry)
{
if (!referenceEntry.IsLoaded)
{
referenceEntry.Load();
}
var dependentEntry = referenceEntry.CurrentValue;
if (dependentEntry == null)
{
return;
}
switch (referenceEntry.Metadata.ForeignKey.DeleteBehavior)
{
// We only have to process changes in database,
// about changes on the client side the ef core will take care.
case DeleteBehavior.Cascade:
Remove(dependentEntry);
break;
case DeleteBehavior.SetNull:
SetNull(Entry(dependentEntry), referenceEntry.Metadata.ForeignKey);
break;
// Do nothing for other cases
}
}
public virtual void LoadReference <TProperty>(TEntity entity, Expression <Func <TEntity, TProperty> > member)
where TProperty : class
{
Attach(entity);
ReferenceEntry <TEntity, TProperty> reference = _dbContext.Entry(entity).Reference(member);
if (reference.IsLoaded == false)
{
reference.Load();
}
}
public virtual void LoadReference <TProperty>(TDto dto, Expression <Func <TDto, TProperty> > member)
where TProperty : class
{
try
{
Attach(dto);
ReferenceEntry <TDto, TProperty> reference = _dbContext.Entry(dto).Reference(member);
if (reference.IsLoaded == false)
{
reference.Load();
}
}
finally
{
Detach(dto);
}
}
