/// <summary>
/// Returns the store value generation strategy to set for the given property.
/// </summary>
/// <param name="property">The property.</param>
/// <returns>The store value generation strategy to set for the given property.</returns>
protected override ValueGenerated?GetValueGenerated(IConventionProperty property)
{
var entityType = property.DeclaringEntityType;
var propertyType = property.ClrType.UnwrapNullableType();
if (propertyType == typeof(int))
{
var ownership = entityType.FindOwnership();
if (ownership != null &&
!ownership.IsUnique &&
!entityType.IsDocumentRoot())
{
var pk = property.FindContainingPrimaryKey();
if (pk != null &&
!ownership.Properties.Contains(property) &&
pk.Properties.Count == ownership.Properties.Count + 1 &&
ownership.Properties.All(fkProperty => pk.Properties.Contains(fkProperty)))
{
return(base.GetValueGenerated(property));
}
}
}
if (propertyType != typeof(Guid))
{
return(null);
}
return(base.GetValueGenerated(property));
}
/// <summary>
/// Returns the store value generation strategy to set for the given property.
/// </summary>
/// <param name="property"> The property. </param>
/// <returns> The store value generation strategy to set for the given property. </returns>
public virtual ValueGenerated?GetValueGenerated([NotNull] IConventionProperty property)
=> !property.IsForeignKey() &&
property.FindContainingPrimaryKey()?.Properties.Count(p => !p.IsForeignKey()) == 1 &&
CanBeGenerated(property)
? ValueGenerated.OnAdd
: (ValueGenerated?)null;
