/// <summary>
/// Configures the referential constraint for the navigation property. The dependent property will be added
/// as non-nullable primitive property into the declaring entity type if it's not in the entity type.
/// </summary>
/// <param name="constraint">The dependent and principal property info pair.</param>
public NavigationPropertyConfiguration HasConstraint(KeyValuePair <PropertyInfo, PropertyInfo> constraint)
{
if (constraint.Key == null)
{
throw Error.ArgumentNull("dependentPropertyInfo");
}
if (constraint.Value == null)
{
throw Error.ArgumentNull("principalPropertyInfo");
}
// OData V3 spec: The multiplicity of navigation property with referential constraint MUST be 1 or 0..1.
if (Multiplicity == EdmMultiplicity.Many)
{
throw Error.NotSupported(SRResources.ReferentialConstraintOnManyNavigationPropertyNotSupported,
Name, DeclaringEntityType.ClrType.FullName);
}
if (ValidateConstraint(constraint))
{
return(this);
}
PrimitivePropertyConfiguration dependentConfiguration = DeclaringEntityType.AddProperty(constraint.Key);
// Because principal properties and keys are required. So as dependent properties.
dependentConfiguration.IsRequired();
_referentialConstraint.Add(constraint);
return(this);
}
/// <summary>
/// Configures the key property(s) for this entity type.
/// </summary>
/// <param name="keyProperty">The property to be added to the key properties of this entity type.</param>
/// <returns>Returns itself so that multiple calls can be chained.</returns>
public IEntityTypeConfiguration HasKey(PropertyInfo keyProperty)
{
if (BaseType != null)
{
throw Error.InvalidOperation(SRResources.CannotDefineKeysOnDerivedTypes, FullName, BaseType.FullName);
}
PrimitivePropertyConfiguration propertyConfig = AddProperty(keyProperty);
// keys are always required
propertyConfig.IsRequired();
if (!_keys.Contains(propertyConfig))
{
_keys.Add(propertyConfig);
}
return(this);
}
