public static ComplexTypeInstanceAnnotationConfiguration <TStructuralType, TProperty> HasComplexAnnotations <TStructuralType, TProperty>(
this StructuralTypeConfiguration <TStructuralType> configuration,
Expression <Func <TStructuralType, IEnumerable <TProperty> > > propertyExpression)
where TStructuralType : class
where TProperty : class
{
Arg.NotNull(configuration, nameof(configuration));
Arg.NotNull(propertyExpression, nameof(propertyExpression));
Contract.Ensures(Contract.Result <ComplexTypeInstanceAnnotationConfiguration <TStructuralType, TProperty> >() != null);
string name;
var key = propertyExpression.GetInstanceAnnotationKey(out name);
var builder = configuration.GetModelBuilder();
var configurations = builder.GetAnnotationConfigurations();
ComplexTypeInstanceAnnotationConfiguration <TStructuralType, TProperty> annotationConfig;
// if the property has already been configured, return the existing configuration
if (configurations.TryGet(key, out annotationConfig))
{
return(annotationConfig);
}
var annotationType = typeof(TProperty);
// ensure a nested collection hasn't been specified
if (annotationType.IsEnumerable())
{
throw new InvalidOperationException(string.Format(CurrentCulture, InvalidComplexTypeCollection, annotationType));
}
// always ignore the annotation property from the entity model
propertyExpression.IgnoredBy(configuration);
// build an annotation for the entity property
var accessor = propertyExpression.ToLazyContravariantFunc();
var qualifiedName = Invariant($"{configuration.Namespace}.{name}");
var annotationTypeConfig = builder.ComplexType <TProperty>();
var annotation = new InstanceAnnotation(accessor, qualifiedName, annotationTypeConfig.ToEdmTypeConfiguration())
{
IsComplex = true,
IsCollection = true,
IsNullable = true
};
annotationConfig = new ComplexTypeInstanceAnnotationConfiguration <TStructuralType, TProperty>(configuration, name, annotationTypeConfig, annotation);
configurations.Add(key, annotationConfig);
return(annotationConfig);
}
private static InstanceAnnotationConfiguration <TStructuralType> HasPrimitiveAnnotations <TStructuralType, TProperty>(
this StructuralTypeConfiguration <TStructuralType> configuration,
Expression <Func <TStructuralType, IEnumerable <TProperty> > > propertyExpression)
where TStructuralType : class
{
Arg.NotNull(configuration, nameof(configuration));
Arg.NotNull(propertyExpression, nameof(propertyExpression));
Contract.Ensures(Contract.Result <InstanceAnnotationConfiguration <TStructuralType> >() != null);
string name;
var key = propertyExpression.GetInstanceAnnotationKey(out name);
var builder = configuration.GetModelBuilder();
var configurations = builder.GetAnnotationConfigurations();
InstanceAnnotationConfiguration <TStructuralType> annotationConfig;
// if the property has already been configured, return the existing configuration
if (configurations.TryGet(key, out annotationConfig))
{
return(annotationConfig);
}
// always ignore the annotation property from the entity model
propertyExpression.IgnoredBy(configuration);
// build an annotation for the entity property
var accessor = propertyExpression.ToLazyContravariantFunc();
var qualifiedName = Invariant($"{configuration.Namespace}.{name}");
var annotationType = typeof(TProperty);
var annotationTypeConfig = builder.GetTypeConfigurationOrNull(annotationType);
var annotation = new InstanceAnnotation(accessor, qualifiedName, annotationTypeConfig)
{
IsCollection = true,
IsNullable = annotationType.IsNullable()
};
annotationConfig = new InstanceAnnotationConfiguration <TStructuralType>(configuration, name, annotation);
configurations.Add(key, annotationConfig);
return(annotationConfig);
}
