private static bool IsUsedBy(
StructuralTypeConfiguration toCheckFor,
IEdmTypeConfiguration toCheckIn,
List<IEdmTypeConfiguration> typesChecked)
{
if (typesChecked.Contains(toCheckIn))
{
return false;
}
typesChecked.Add(toCheckIn);
if (toCheckIn == toCheckFor)
{
return true;
}
var toCheckInStructural = toCheckIn as StructuralTypeConfiguration;
if (toCheckInStructural != null)
{
foreach (var property in toCheckInStructural.Properties
.Where(p => !p.IsIgnored))
{
var propertyType = toCheckFor.ModelBuilder.GetTypeConfigurationOrNull(property.RelatedClrType);
if (IsUsedBy(toCheckFor, propertyType, typesChecked))
{
return true;
}
}
}
typesChecked.Add(toCheckIn);
return false;
}
/// <summary>
/// Constructs a CollectionPropertyConfiguration using the <paramref name="property">property</paramref> provided.
/// </summary>
public CollectionPropertyConfiguration(PropertyInfo property, StructuralTypeConfiguration declaringType)
: base(property, declaringType)
{
if (!property.PropertyType.IsCollection(out _elementType))
{
throw Error.Argument("property", SRResources.CollectionPropertiesMustReturnIEnumerable, property.Name, property.DeclaringType.FullName);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="PropertyConfiguration" /> class.
/// </summary>
/// <param name="property">The name of the property.</param>
/// <param name="declaringType">The declaring EDM type of the property.</param>
protected PropertyConfiguration(PropertyInfo property, StructuralTypeConfiguration declaringType)
{
if (property == null)
{
throw Error.ArgumentNull("property");
}
if (declaringType == null)
{
throw Error.ArgumentNull("declaringType");
}
PropertyInfo = property;
DeclaringType = declaringType;
AddedExplicitly = true;
_name = property.Name;
}
internal virtual void DerivesFromImpl(StructuralTypeConfiguration baseType)
{
if (baseType == null)
{
throw Error.ArgumentNull("baseType");
}
_baseType = baseType;
_baseTypeConfigured = true;
if (!baseType.ClrType.IsAssignableFrom(ClrType) || baseType.ClrType == ClrType)
{
throw Error.Argument("baseType", SRResources.TypeDoesNotInheritFromBaseType,
ClrType.FullName, baseType.ClrType.FullName);
}
foreach (PropertyConfiguration property in Properties)
{
ValidatePropertyNotAlreadyDefinedInBaseTypes(property.PropertyInfo);
}
foreach (PropertyConfiguration property in this.DerivedProperties())
{
ValidatePropertyNotAlreadyDefinedInDerivedTypes(property.PropertyInfo);
}
}
internal virtual void DerivesFromNothingImpl()
{
_baseType = null;
_baseTypeConfigured = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="PrimitivePropertyConfiguration"/> class.
/// </summary>
/// <param name="property">The name of the property.</param>
/// <param name="declaringType">The declaring EDM type of the property.</param>
public PrimitivePropertyConfiguration(PropertyInfo property, StructuralTypeConfiguration declaringType)
: base(property, declaringType)
{
}
internal virtual void DerivesFromNothingImpl()
{
_baseType = null;
_baseTypeConfigured = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="StructuralPropertyConfiguration"/> class.
/// </summary>
/// <param name="property">The property of the configuration.</param>
/// <param name="declaringType">The declaring type of the property.</param>
protected StructuralPropertyConfiguration(PropertyInfo property, StructuralTypeConfiguration declaringType)
: base(property, declaringType)
{
OptionalProperty = EdmLibHelpers.IsNullable(property.PropertyType);
}
// Returns all the derived types of this type.
public static IEnumerable<StructuralTypeConfiguration> DerivedTypes(this ODataModelBuilder modelBuilder,
StructuralTypeConfiguration structuralType)
{
if (modelBuilder == null)
{
throw Error.ArgumentNull("modelBuilder");
}
if (structuralType == null)
{
throw Error.ArgumentNull("structuralType");
}
if (structuralType.Kind == EdmTypeKind.Entity)
{
return DerivedTypes(modelBuilder, (EntityTypeConfiguration)structuralType);
}
if (structuralType.Kind == EdmTypeKind.Complex)
{
return DerivedTypes(modelBuilder, (ComplexTypeConfiguration)structuralType);
}
return Enumerable.Empty<StructuralTypeConfiguration>();
}
private void CreateStructuralTypeBody(EdmStructuredType type, StructuralTypeConfiguration config)
{
foreach (PropertyConfiguration property in config.Properties)
{
IEdmProperty edmProperty = null;
switch (property.Kind)
{
case PropertyKind.Primitive:
PrimitivePropertyConfiguration primitiveProperty = property as PrimitivePropertyConfiguration;
if (primitiveProperty.IsIgnored)
{
continue;
}
EdmPrimitiveTypeKind typeKind = GetTypeKind(primitiveProperty.PropertyInfo.PropertyType);
IEdmTypeReference primitiveTypeReference = EdmCoreModel.Instance.GetPrimitive(
typeKind,
primitiveProperty.OptionalProperty);
// Set concurrency token if is entity type, and concurrency token is true
EdmConcurrencyMode concurrencyMode = EdmConcurrencyMode.None;
if (config.Kind == EdmTypeKind.Entity && primitiveProperty.ConcurrencyToken)
{
concurrencyMode = EdmConcurrencyMode.Fixed;
}
edmProperty = type.AddStructuralProperty(
primitiveProperty.Name,
primitiveTypeReference,
defaultValue: null,
concurrencyMode: concurrencyMode);
break;
case PropertyKind.Complex:
ComplexPropertyConfiguration complexProperty = property as ComplexPropertyConfiguration;
IEdmComplexType complexType = GetEdmType(complexProperty.RelatedClrType) as IEdmComplexType;
edmProperty = type.AddStructuralProperty(
complexProperty.Name,
new EdmComplexTypeReference(complexType, complexProperty.OptionalProperty));
break;
case PropertyKind.Collection:
edmProperty = CreateStructuralTypeCollectionPropertyBody(type, (CollectionPropertyConfiguration)property);
break;
case PropertyKind.Enum:
edmProperty = CreateStructuralTypeEnumPropertyBody(type, config, (EnumPropertyConfiguration)property);
break;
default:
break;
}
if (edmProperty != null)
{
if (property.PropertyInfo != null)
{
_properties[property.PropertyInfo] = edmProperty;
}
if (property.IsRestricted)
{
_propertiesRestrictions[edmProperty] = new QueryableRestrictions(property);
}
}
}
}
// the convention model builder MapTypes() method might have went through deep object graphs and added a bunch of types
// only to realise after applying the conventions that the user has ignored some of the properties. So, prune the unreachable stuff.
private void PruneUnreachableTypes()
{
Contract.Assert(_explicitlyAddedTypes != null);
// Do a BFS starting with the types the user has explicitly added to find out the unreachable nodes.
Queue <StructuralTypeConfiguration> reachableTypes = new Queue <StructuralTypeConfiguration>(_explicitlyAddedTypes);
HashSet <StructuralTypeConfiguration> visitedTypes = new HashSet <StructuralTypeConfiguration>();
while (reachableTypes.Count != 0)
{
StructuralTypeConfiguration currentType = reachableTypes.Dequeue();
// go visit other end of each of this node's edges.
foreach (PropertyConfiguration property in currentType.Properties.Where(property => property.Kind != PropertyKind.Primitive))
{
if (property.Kind == PropertyKind.Collection)
{
// if the elementType is primitive we don't need to do anything.
CollectionPropertyConfiguration colProperty = property as CollectionPropertyConfiguration;
if (EdmLibHelpers.GetEdmPrimitiveTypeOrNull(colProperty.ElementType) != null)
{
continue;
}
}
IEdmTypeConfiguration propertyType = GetStructuralTypeOrNull(property.RelatedClrType);
Contract.Assert(propertyType != null, "we should already have seen this type");
var structuralTypeConfiguration = propertyType as StructuralTypeConfiguration;
if (structuralTypeConfiguration != null && !visitedTypes.Contains(propertyType))
{
reachableTypes.Enqueue(structuralTypeConfiguration);
}
}
// all derived types and the base type are also reachable
if (currentType.Kind == EdmTypeKind.Entity)
{
EntityTypeConfiguration currentEntityType = (EntityTypeConfiguration)currentType;
if (currentEntityType.BaseType != null && !visitedTypes.Contains(currentEntityType.BaseType))
{
reachableTypes.Enqueue(currentEntityType.BaseType);
}
foreach (EntityTypeConfiguration derivedType in this.DerivedTypes(currentEntityType))
{
if (!visitedTypes.Contains(derivedType))
{
reachableTypes.Enqueue(derivedType);
}
}
}
else if (currentType.Kind == EdmTypeKind.Complex)
{
ComplexTypeConfiguration currentComplexType = (ComplexTypeConfiguration)currentType;
if (currentComplexType.BaseType != null && !visitedTypes.Contains(currentComplexType.BaseType))
{
reachableTypes.Enqueue(currentComplexType.BaseType);
}
foreach (ComplexTypeConfiguration derivedType in this.DerivedTypes(currentComplexType))
{
if (!visitedTypes.Contains(derivedType))
{
reachableTypes.Enqueue(derivedType);
}
}
}
visitedTypes.Add(currentType);
}
StructuralTypeConfiguration[] allConfiguredTypes = StructuralTypes.ToArray();
foreach (StructuralTypeConfiguration type in allConfiguredTypes)
{
if (!visitedTypes.Contains(type))
{
// we don't have to fix up any properties because this type is unreachable and cannot be a property of any reachable type.
RemoveStructuralType(type.ClrType);
}
}
}
internal bool InferEdmTypeFromDerivedTypes(Type propertyType, ref PropertyKind propertyKind)
{
HashSet <Type> visitedTypes = new HashSet <Type>();
Queue <Type> typeToBeVisited = new Queue <Type>();
typeToBeVisited.Enqueue(propertyType);
IList <StructuralTypeConfiguration> foundMappedTypes = new List <StructuralTypeConfiguration>();
while (typeToBeVisited.Count != 0)
{
Type currentType = typeToBeVisited.Dequeue();
visitedTypes.Add(currentType);
List <Type> derivedTypes;
if (_allTypesWithDerivedTypeMapping.Value.TryGetValue(currentType, out derivedTypes))
{
foreach (Type derivedType in derivedTypes)
{
if (!visitedTypes.Contains(derivedType))
{
StructuralTypeConfiguration structuralType =
_explicitlyAddedTypes.FirstOrDefault(c => c.ClrType == derivedType);
if (structuralType != null)
{
foundMappedTypes.Add(structuralType);
}
typeToBeVisited.Enqueue(derivedType);
}
}
}
}
if (!foundMappedTypes.Any())
{
return(false);
}
IEnumerable <EntityTypeConfiguration> foundMappedEntityType =
foundMappedTypes.OfType <EntityTypeConfiguration>().ToList();
IEnumerable <ComplexTypeConfiguration> foundMappedComplexType =
foundMappedTypes.OfType <ComplexTypeConfiguration>().ToList();
if (!foundMappedEntityType.Any())
{
propertyKind = PropertyKind.Complex;
return(true);
}
else if (!foundMappedComplexType.Any())
{
propertyKind = PropertyKind.Navigation;
return(true);
}
else
{
throw Error.InvalidOperation(SRResources.CannotInferEdmType,
propertyType.FullName,
String.Join(",", foundMappedEntityType.Select(e => e.ClrType.FullName)),
String.Join(",", foundMappedComplexType.Select(e => e.ClrType.FullName)));
}
}
private void MapStructuralProperty(StructuralTypeConfiguration type, PropertyInfo property, PropertyKind propertyKind, bool isCollection)
{
Contract.Assert(type != null);
Contract.Assert(property != null);
Contract.Assert(propertyKind == PropertyKind.Complex || propertyKind == PropertyKind.Primitive || propertyKind == PropertyKind.Enum);
bool addedExplicitly = type.Properties.Any(p => p.PropertyInfo.Name == property.Name);
PropertyConfiguration addedEdmProperty;
if (!isCollection)
{
if (propertyKind == PropertyKind.Primitive)
{
addedEdmProperty = type.AddPrimitiveProperty(property);
}
else if (propertyKind == PropertyKind.Enum)
{
AddEnumType(TypeHelper.GetUnderlyingTypeOrSelf(property.PropertyType));
addedEdmProperty = type.AddEnumProperty(property);
}
else
{
addedEdmProperty = type.AddComplexProperty(property);
}
}
else
{
if (_isQueryCompositionMode)
{
Contract.Assert(propertyKind != PropertyKind.Complex, "we don't create complex types in query composition mode.");
}
if (property.PropertyType.GetTypeInfo().IsGenericType)
{
Type elementType = property.PropertyType.GetGenericArguments().First();
Type elementUnderlyingTypeOrSelf = TypeHelper.GetUnderlyingTypeOrSelf(elementType);
if (elementUnderlyingTypeOrSelf.GetTypeInfo().IsEnum)
{
AddEnumType(elementUnderlyingTypeOrSelf);
}
}
else
{
Type elementType;
if (property.PropertyType.IsCollection(out elementType))
{
Type elementUnderlyingTypeOrSelf = TypeHelper.GetUnderlyingTypeOrSelf(elementType);
if (elementUnderlyingTypeOrSelf.GetTypeInfo().IsEnum)
{
AddEnumType(elementUnderlyingTypeOrSelf);
}
}
}
addedEdmProperty = type.AddCollectionProperty(property);
}
addedEdmProperty.AddedExplicitly = addedExplicitly;
}
private void ApplyPropertyConvention(IEdmPropertyConvention propertyConvention, StructuralTypeConfiguration edmTypeConfiguration)
{
Contract.Assert(propertyConvention != null);
Contract.Assert(edmTypeConfiguration != null);
foreach (PropertyConfiguration property in edmTypeConfiguration.Properties.ToArray())
{
propertyConvention.Apply(property, edmTypeConfiguration, this);
}
}
/// <summary>
/// Instantiates a new instance of the <see cref="ComplexPropertyConfiguration"/> class.
/// </summary>
/// <param name="property">The property of the configuration.</param>
/// <param name="declaringType">The declaring type of the property.</param>
public ComplexPropertyConfiguration(PropertyInfo property, StructuralTypeConfiguration declaringType)
: base(property, declaringType)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="PrimitivePropertyConfiguration"/> class.
/// </summary>
/// <param name="property">The name of the property.</param>
/// <param name="declaringType">The declaring EDM type of the property.</param>
public PrimitivePropertyConfiguration(PropertyInfo property, StructuralTypeConfiguration declaringType)
: base(property, declaringType)
{
}
// Returns the base types, this type and all the derived types of this type.
public static IEnumerable<StructuralTypeConfiguration> ThisAndBaseAndDerivedTypes(
this ODataModelBuilder modelBuilder, StructuralTypeConfiguration structuralType)
{
Contract.Assert(modelBuilder != null);
Contract.Assert(structuralType != null);
return structuralType.BaseTypes()
.Concat(new[] { structuralType })
.Concat(modelBuilder.DerivedTypes(structuralType));
}
private IEdmProperty CreateStructuralTypeEnumPropertyBody(EdmStructuredType type, StructuralTypeConfiguration config, EnumPropertyConfiguration enumProperty)
{
Type enumPropertyType = TypeHelper.GetUnderlyingTypeOrSelf(enumProperty.RelatedClrType);
IEdmType edmType = GetEdmType(enumPropertyType);
if (edmType == null)
{
throw Error.InvalidOperation(SRResources.EnumTypeDoesNotExist, enumPropertyType.Name);
}
IEdmEnumType enumType = (IEdmEnumType)edmType;
IEdmTypeReference enumTypeReference = new EdmEnumTypeReference(enumType, enumProperty.OptionalProperty);
// Set concurrency token if is entity type, and concurrency token is true
EdmConcurrencyMode enumConcurrencyMode = EdmConcurrencyMode.None;
if (config.Kind == EdmTypeKind.Entity && enumProperty.ConcurrencyToken)
{
enumConcurrencyMode = EdmConcurrencyMode.Fixed;
}
return type.AddStructuralProperty(
enumProperty.Name,
enumTypeReference,
defaultValue: null,
concurrencyMode: enumConcurrencyMode);
}
public static bool IsAssignableFrom(this StructuralTypeConfiguration baseStructuralType,
StructuralTypeConfiguration structuralType)
{
if (structuralType.Kind == EdmTypeKind.Entity && baseStructuralType.Kind == EdmTypeKind.Entity)
{
EntityTypeConfiguration entity = (EntityTypeConfiguration)structuralType;
while (entity != null)
{
if (baseStructuralType == entity)
{
return true;
}
entity = entity.BaseType;
}
}
else if (structuralType.Kind == EdmTypeKind.Complex && baseStructuralType.Kind == EdmTypeKind.Complex)
{
ComplexTypeConfiguration complex = (ComplexTypeConfiguration)structuralType;
while (complex != null)
{
if (baseStructuralType == complex)
{
return true;
}
complex = complex.BaseType;
}
}
return false;
}
/// <summary>
/// Initializes a new instance of the <see cref="StructuralPropertyConfiguration"/> class.
/// </summary>
/// <param name="property">The property of the configuration.</param>
/// <param name="declaringType">The declaring type of the property.</param>
protected StructuralPropertyConfiguration(PropertyInfo property, StructuralTypeConfiguration declaringType)
: base(property, declaringType)
{
OptionalProperty = EdmLibHelpers.IsNullable(property.PropertyType);
}
/// <summary>
/// Initializes a new instance of the <see cref="BindingPathConfiguration{TStructuralType}"/> class.
/// </summary>
/// <param name="modelBuilder">The model builder.</param>
/// <param name="structuralType">The type configuration.</param>
/// <param name="navigationSource">The navigation source configuration.</param>
public BindingPathConfiguration(ODataModelBuilder modelBuilder,
StructuralTypeConfiguration <TStructuralType> structuralType,
NavigationSourceConfiguration navigationSource)
: this(modelBuilder, structuralType, navigationSource, new List <object>())
{
}
/// <summary>
/// Instantiates a new instance of the <see cref="ComplexPropertyConfiguration"/> class.
/// </summary>
/// <param name="property">The property of the configuration.</param>
/// <param name="declaringType">The declaring type of the property.</param>
public ComplexPropertyConfiguration(PropertyInfo property, StructuralTypeConfiguration declaringType)
: base(property, declaringType)
{
}
