public void Apply(BsonClassMap classMap)
{
var readOnlyProperties = classMap
.ClassType
.GetTypeInfo()
.GetProperties(_bindingFlags)
.Where(p => IsReadOnlyProperty(classMap, p))
.ToList();
foreach (var constructor in classMap.ClassType.GetConstructors())
{
// If we found a matching constructor then we map it and all the readonly properties
var matchProperties = GetMatchingProperties(constructor, readOnlyProperties);
if (matchProperties.Any())
{
// Map constructor
classMap.MapConstructor(constructor);
// Map properties
foreach (var p in matchProperties)
{
classMap.MapMember(p);
}
}
}
}
public void Apply(BsonClassMap classMap)
{
var constructors = classMap
.ClassType
.GetConstructors(BindingFlags.NonPublic | BindingFlags.Instance)
.Concat(classMap.ClassType.GetConstructors(BindingFlags.Public | BindingFlags.Instance));
var shortestContructor = constructors
.OrderBy(ctor => ctor.GetParameters().Length)
.ThenBy(ctor => ctor.IsPublic) //Prioritize protected/private constructors
.FirstOrDefault();
classMap.MapConstructor(shortestContructor);
var publicProperties = classMap.ClassType.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Where(p => p.CanRead);
foreach (var publicProperty in publicProperties)
{
if (publicProperty.Name == "Id")
{
classMap.MapIdMember(publicProperty).SetIdGenerator(StringObjectIdGenerator.Instance);
}
}
}
private void OptInMembersWithBsonCreatorMapModifierAttribute(BsonClassMap classMap)
{
// let other constructors opt-in if they have any IBsonCreatorMapAttribute attributes
foreach (var constructorInfo in classMap.ClassType.GetConstructors(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly))
{
#if NETCORE50 || NETSTANDARD1_5 || NETSTANDARD1_6
var hasAttribute = constructorInfo.CustomAttributes.Any(c => c.AttributeType is IBsonCreatorMapAttribute);
#else
var hasAttribute = constructorInfo.GetCustomAttributes(typeof(IBsonCreatorMapAttribute), false).Any();
#endif
if (hasAttribute)
{
classMap.MapConstructor(constructorInfo);
}
}
// let other static factory methods opt-in if they have any IBsonCreatorMapAttribute attributes
foreach (var methodInfo in classMap.ClassType.GetMethods(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly))
{
#if NETCORE50 || NETSTANDARD1_5 || NETSTANDARD1_6
var hasAttribute = methodInfo.CustomAttributes.Any(c => c.AttributeType is IBsonCreatorMapAttribute);
#else
var hasAttribute = methodInfo.GetCustomAttributes(typeof(IBsonCreatorMapAttribute), false).Any();
#endif
if (hasAttribute)
{
classMap.MapFactoryMethod(methodInfo);
}
}
}
/// <inheritdoc />
public void Apply(BsonClassMap classMap)
{
var typeInfo = classMap.ClassType.GetTypeInfo();
if (typeInfo.IsAbstract)
{
return;
}
if (typeInfo.GetConstructor(Type.EmptyTypes) != null)
{
return;
}
var properties = typeInfo.GetProperties();
if (properties.Any(p => p.CanWrite))
{
return; // a type that has any writable properties is not immutable
}
var anyConstructorsWereMapped = false;
foreach (var ctor in typeInfo.GetConstructors())
{
var parameters = ctor.GetParameters();
if (parameters.Length != properties.Length)
{
continue; // only consider constructors that have sufficient parameters to initialize all properties
}
var matches = parameters
.GroupJoin(properties,
parameter => parameter.Name,
property => property.Name,
(parameter, props) => new { Parameter = parameter, Properties = props },
StringComparer.OrdinalIgnoreCase);
if (matches.Any(m => m.Properties.Count() != 1))
{
continue;
}
classMap.MapConstructor(ctor);
anyConstructorsWereMapped = true;
}
if (anyConstructorsWereMapped)
{
// if any constructors were mapped by this convention then map all the properties also
foreach (var property in properties)
{
classMap.MapMember(property);
}
}
}
public void Apply(BsonClassMap classMap)
{
var typeInfo = classMap.ClassType.GetTypeInfo();
if (typeInfo.IsAbstract)
{
return;
}
if (typeInfo.GetInterface("IImmutable") == null)
{
return; // only applies to classes that inherit from IImutable
}
var properties = typeInfo.GetProperties();
var anyConstructorsWereMapped = false;
ConstructorInfo[] constructors = typeInfo.GetConstructors();
if (constructors.Length > 0)
{
var ctor = typeInfo.GetConstructors().OrderByDescending(x => x.GetParameters().Count()).First();
var parameters = ctor.GetParameters();
var matches = parameters
.GroupJoin(properties,
parameter => parameter.Name,
property => property.Name,
(parameter, props) => new { Parameter = parameter, Properties = props },
StringComparer.OrdinalIgnoreCase);
if (matches.Any(m => m.Properties.Count() != 1))
{
//continue;
}
classMap.MapConstructor(ctor);
anyConstructorsWereMapped = true;
}
if (anyConstructorsWereMapped)
{
var classType = classMap.ClassType;
foreach (var property in properties)
{
if (property.DeclaringType == classType)
{
classMap.MapMember(property);
}
}
}
}
public void Apply_should_set_arguments_when_constructor_parameter_names_match_a_field()
{
var subject = new NamedParameterCreatorMapConvention();
var classMap = new BsonClassMap<C>();
var constructorInfo = typeof(C).GetTypeInfo().GetConstructor(new[] { typeof(long) });
var creatorMap = classMap.MapConstructor(constructorInfo);
creatorMap.Arguments.Should().BeNull();
subject.Apply(creatorMap);
creatorMap.Arguments.Cast<FieldInfo>().Select(p => p.Name).Should().Equal(new[] { "F" });
}
public void Apply_should_do_nothing_when_constructor_parameter_name_does_not_match_any_property_or_field()
{
var subject = new NamedParameterCreatorMapConvention();
var classMap = new BsonClassMap<C>();
var constructorInfo = typeof(C).GetTypeInfo().GetConstructor(new[] { typeof(int) });
var creatorMap = classMap.MapConstructor(constructorInfo);
creatorMap.Arguments.Should().BeNull();
subject.Apply(creatorMap);
creatorMap.Arguments.Should().BeNull();
}
public void Apply_should_do_nothing_when_creator_map_already_has_arguments_configured()
{
var subject = new NamedParameterCreatorMapConvention();
var classMap = new BsonClassMap<C>();
var constructorInfo = typeof(C).GetTypeInfo().GetConstructor(new[] { typeof(int) });
var creatorMap = classMap.MapConstructor(constructorInfo, "Y");
var originalArguments = creatorMap.Arguments;
subject.Apply(creatorMap);
creatorMap.Arguments.Should().BeSameAs(originalArguments);
}
public void Apply_should_do_nothing_when_creator_map_already_has_arguments_configured()
{
var subject = new NamedParameterCreatorMapConvention();
var classMap = new BsonClassMap <C>();
var constructorInfo = typeof(C).GetTypeInfo().GetConstructor(new[] { typeof(int) });
var creatorMap = classMap.MapConstructor(constructorInfo, "Y");
var originalArguments = creatorMap.Arguments;
subject.Apply(creatorMap);
creatorMap.Arguments.Should().BeSameAs(originalArguments);
}
private IBsonSerializer BuildProjectedSerializer(ProjectionMapping mapping)
{
// We are building a serializer specifically for a projected type based
// on serialization information collected from other serializers.
// We cannot cache this in the serializer registry because the compiler reuses
// the same anonymous type definition in different contexts as long as they
// are structurally equatable. As such, it might be that two different queries
// projecting the same shape might need to be deserialized differently.
var classMapType = typeof(BsonClassMap <>).MakeGenericType(mapping.Expression.Type);
BsonClassMap classMap = (BsonClassMap)Activator.CreateInstance(classMapType);
foreach (var memberMapping in mapping.Members)
{
var serializationExpression = memberMapping.Expression as ISerializationExpression;
if (serializationExpression == null)
{
var serializer = Build(memberMapping.Expression);
var serializationInfo = new BsonSerializationInfo(
memberMapping.Member.Name,
serializer,
TypeHelper.GetMemberType(memberMapping.Member));
serializationExpression = new SerializationExpression(
memberMapping.Expression,
serializationInfo);
}
var memberMap = classMap.MapMember(memberMapping.Member)
.SetSerializer(serializationExpression.SerializationInfo.Serializer)
.SetElementName(memberMapping.Member.Name);
if (classMap.IdMemberMap == null && serializationExpression is IdExpression)
{
classMap.SetIdMember(memberMap);
}
}
var mappedParameters = mapping.Members
.Where(x => x.Parameter != null)
.OrderBy(x => x.Parameter.Position)
.Select(x => x.Member)
.ToList();
if (mappedParameters.Count > 0)
{
classMap.MapConstructor(mapping.Constructor)
.SetArguments(mappedParameters);
}
var serializerType = typeof(BsonClassMapSerializer <>).MakeGenericType(mapping.Expression.Type);
return((IBsonSerializer)Activator.CreateInstance(serializerType, classMap.Freeze()));
}
public void Apply_should_set_arguments_when_constructor_parameter_names_match_a_property()
{
var subject = new NamedParameterCreatorMapConvention();
var classMap = new BsonClassMap <C>();
var constructorInfo = typeof(C).GetTypeInfo().GetConstructor(new[] { typeof(string) });
var creatorMap = classMap.MapConstructor(constructorInfo);
creatorMap.Arguments.Should().BeNull();
subject.Apply(creatorMap);
creatorMap.Arguments.Cast <PropertyInfo>().Select(p => p.Name).Should().Equal(new[] { "P" });
}
public void Apply_should_do_nothing_when_constructor_parameter_name_does_not_match_any_property_or_field()
{
var subject = new NamedParameterCreatorMapConvention();
var classMap = new BsonClassMap <C>();
var constructorInfo = typeof(C).GetTypeInfo().GetConstructor(new[] { typeof(int) });
var creatorMap = classMap.MapConstructor(constructorInfo);
creatorMap.Arguments.Should().BeNull();
subject.Apply(creatorMap);
creatorMap.Arguments.Should().BeNull();
}
public void Apply(BsonClassMap classMap)
{
var nonPublicCtors = classMap.ClassType.GetConstructors(BindingFlags.NonPublic | BindingFlags.Instance);
var longestCtor = nonPublicCtors.OrderByDescending(ctor => ctor.GetParameters().Length).FirstOrDefault();
classMap.MapConstructor(longestCtor);
var publicProperties = classMap.ClassType.GetProperties(BindingFlags.Public | BindingFlags.Instance)
.Where(p => p.CanRead);
foreach (var publicProperty in publicProperties)
{
classMap.MapMember(publicProperty);
}
}
private IBsonSerializer BuildSerializerForAnonymousType(NewExpression node)
{
// We are building a serializer specifically for an anonymous type based
// on serialization information collected from other serializers.
// We cannot cache this because the compiler reuses the same anonymous type
// definition in different contexts as long as they are structurally equatable.
// As such, it might be that two different queries projecting the same shape
// might need to be deserialized differently.
var classMapType = typeof(BsonClassMap <>).MakeGenericType(node.Type);
BsonClassMap classMap = (BsonClassMap)Activator.CreateInstance(classMapType);
var properties = node.Type.GetProperties();
var parameterToPropertyMap = from parameter in node.Constructor.GetParameters()
join property in properties on parameter.Name equals property.Name
select new { Parameter = parameter, Property = property };
foreach (var parameterToProperty in parameterToPropertyMap)
{
var argument = node.Arguments[parameterToProperty.Parameter.Position];
var serializationExpression = argument as ISerializationExpression;
if (serializationExpression == null)
{
var serializer = Build(argument);
var serializationInfo = new BsonSerializationInfo(parameterToProperty.Property.Name, serializer, parameterToProperty.Property.PropertyType);
serializationExpression = new SerializationExpression(
node.Arguments[parameterToProperty.Parameter.Position],
serializationInfo);
}
var memberMap = classMap.MapMember(parameterToProperty.Property)
.SetSerializer(serializationExpression.SerializationInfo.Serializer)
.SetElementName(parameterToProperty.Property.Name);
if (classMap.IdMemberMap == null && serializationExpression is IdExpression)
{
classMap.SetIdMember(memberMap);
}
//TODO: Need to set default value as well...
}
// Anonymous types are immutable and have all their values passed in via a ctor.
classMap.MapConstructor(node.Constructor, properties.Select(x => x.Name).ToArray());
classMap.Freeze();
var serializerType = typeof(BsonClassMapSerializer <>).MakeGenericType(node.Type);
return((IBsonSerializer)Activator.CreateInstance(serializerType, classMap));
}
private void OptInMembersWithBsonCreatorMapModifierAttribute(BsonClassMap classMap)
{
// let other constructors opt-in if they have any IBsonCreatorMapAttribute attributes
foreach (var constructorInfo in classMap.ClassType.GetTypeInfo().GetConstructors(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly))
{
var hasAttribute = constructorInfo.GetCustomAttributes(inherit: false).OfType <IBsonCreatorMapAttribute>().Any();
if (hasAttribute)
{
classMap.MapConstructor(constructorInfo);
}
}
// let other static factory methods opt-in if they have any IBsonCreatorMapAttribute attributes
foreach (var methodInfo in classMap.ClassType.GetTypeInfo().GetMethods(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly))
{
var hasAttribute = methodInfo.GetCustomAttributes(inherit: false).OfType <IBsonCreatorMapAttribute>().Any();
if (hasAttribute)
{
classMap.MapFactoryMethod(methodInfo);
}
}
}
public void Apply(BsonClassMap classMap)
{
var properties = classMap.ClassType
.GetTypeInfo()
.GetProperties(_bindingFlags)
.Where(p => p.PropertyType != typeof(Type))
.ToList();
var mappingProperties = properties
.Where(p => IsReadOnlyProperty(classMap, p) || IsInitOnlyProperty(p))
.ToList();
foreach (PropertyInfo property in mappingProperties)
{
BsonMemberMap member = classMap.MapMember(property);
if (IsNullableProperty(property))
{
member.SetDefaultValue((object?)null);
}
}
if (!classMap.ClassType.IsAbstract)
{
foreach (ConstructorInfo constructor in classMap.ClassType.GetConstructors(
BindingFlags.Instance |
BindingFlags.NonPublic |
BindingFlags.Public))
{
List <PropertyInfo> matchProperties =
GetMatchingProperties(constructor, properties);
if (matchProperties.Any())
{
BsonCreatorMap creatorMap = classMap.MapConstructor(constructor);
creatorMap.SetArguments(matchProperties);
}
}
}
}
/// <inheritdoc />
public void Apply(BsonClassMap classMap)
{
var typeInfo = classMap.ClassType.GetTypeInfo();
if (typeInfo.IsAbstract)
{
return;
}
if (typeInfo.GetConstructor(Type.EmptyTypes) != null)
{
return;
}
foreach (var ctor in typeInfo.GetConstructors())
{
var parameters = ctor.GetParameters();
var properties = typeInfo.GetProperties();
if (parameters.Length != properties.Length)
{
continue;
}
var matches = parameters
.GroupJoin(properties,
parameter => parameter.Name,
property => property.Name,
(parameter, props) => new { parameter, properties = props },
StringComparer.OrdinalIgnoreCase);
if (matches.Any(m => m.properties.Count() != 1 || m.properties.ElementAt(0).CanWrite))
{
continue;
}
classMap.MapConstructor(ctor);
}
}
/// <inheritdoc />
public void Apply(BsonClassMap classMap)
{
var typeInfo = classMap.ClassType.GetTypeInfo();
if (typeInfo.IsAbstract)
{
return;
}
if (typeInfo.GetConstructor(Type.EmptyTypes) != null)
{
return;
}
foreach (var ctor in typeInfo.GetConstructors())
{
var parameters = ctor.GetParameters();
var properties = typeInfo.GetProperties();
if (parameters.Length != properties.Length)
{
continue;
}
var matches = parameters
.GroupJoin(properties,
parameter => parameter.Name,
property => property.Name,
(parameter, props) => new { parameter, properties = props },
StringComparer.OrdinalIgnoreCase);
if (matches.Any(m => m.properties.Count() != 1 || m.properties.ElementAt(0).CanWrite))
{
continue;
}
classMap.MapConstructor(ctor);
}
}
public void Apply(BsonClassMap classMap)
{
var typeInfo = classMap.ClassType.GetTypeInfo();
if (typeInfo.GetConstructor(Type.EmptyTypes) != null)
{
return;
}
var propertyBindingFlags = BindingFlags.Public | BindingFlags.Instance;
var properties = typeInfo.GetProperties(propertyBindingFlags).Where(x => x.CanWrite);
var constructorBindingFlags = BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance;
var zeroParameterCtor = typeInfo.GetConstructors(constructorBindingFlags).FirstOrDefault(x => x.GetParameters().Length == 0);
if (typeInfo.IsAbstract is false && zeroParameterCtor != null)
{
(classMap.CreatorMaps as List <BsonCreatorMap>)?.Clear();
classMap.MapConstructor(zeroParameterCtor);
}
foreach (var property in properties)
{
if (property.DeclaringType != classMap.ClassType)
{
continue;
}
var memberMap = classMap.MapMember(property);
if (classMap.IsAnonymous)
{
var defaultValue = memberMap.DefaultValue;
memberMap.SetDefaultValue(defaultValue);
}
}
}
public void Apply(BsonClassMap classMap)
{
var typeInfo = classMap.ClassType.GetTypeInfo();
if (typeInfo.IsAbstract)
{
return;
}
if (typeInfo.GetInterface("IImmutable") == null)
{
return; // only applies to classes that inherit from IImutable
}
var properties = typeInfo.GetProperties();
var anyConstructorsWereMapped = false;
ConstructorInfo[] constructors = typeInfo.GetConstructors();
if (constructors.Length > 0)
{
var ctor = typeInfo.GetConstructors().OrderByDescending(x => x.GetParameters().Count()).First();
var parameters = ctor.GetParameters();
var matches = parameters
.GroupJoin(properties,
parameter => parameter.Name,
property => property.Name,
(parameter, props) => new { Parameter = parameter, Properties = props },
StringComparer.OrdinalIgnoreCase);
if (matches.Any(m => m.Properties.Count() != 1))
{
//continue;
}
classMap.MapConstructor(ctor);
anyConstructorsWereMapped = true;
}
if (anyConstructorsWereMapped)
{
var classType = classMap.ClassType;
foreach (var property in properties)
{
if (property.DeclaringType == classType && !IsOverridden(property))
{
classMap.MapMember(property);
}
else if (!property.CanWrite && classType.BaseType != null && classType.BaseType.IsAbstract)
{
//Forcing immutable properties from base class to be added via reflection.
//This is due to BsonClassMap refusing to add members from base class to the class map which is needed
//for IImmutable members withg an abstract immutable base class.
var memberMap = classMap.DeclaredMemberMaps.ToList().Find(m => m.MemberInfo == property);
if (memberMap == null)
{
memberMap = new BsonMemberMap(classMap, property);
FieldInfo info = typeof(BsonClassMap).GetField("_declaredMemberMaps", BindingFlags.NonPublic | BindingFlags.Instance);
var declaredMemberMaps = info.GetValue(classMap) as List <BsonMemberMap>;
declaredMemberMaps.Add(memberMap);
}
}
}
}
}
/// <inheritdoc />
public void Apply(BsonClassMap classMap)
{
var typeInfo = classMap.ClassType.GetTypeInfo();
if (typeInfo.GetConstructor(Type.EmptyTypes) != null)
{
return;
}
var propertyBindingFlags = BindingFlags.Public | BindingFlags.Instance;
var properties = typeInfo.GetProperties(propertyBindingFlags);
if (properties.Any(CanWrite))
{
return; // a type that has any writable properties is not immutable
}
var anyConstructorsWereFound = false;
var constructorBindingFlags = BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance;
foreach (var ctor in typeInfo.GetConstructors(constructorBindingFlags))
{
if (ctor.IsPrivate)
{
continue; // do not consider private constructors
}
var parameters = ctor.GetParameters();
if (parameters.Length != properties.Length)
{
continue; // only consider constructors that have sufficient parameters to initialize all properties
}
var matches = parameters
.GroupJoin(properties,
parameter => parameter.Name,
property => property.Name,
(parameter, props) => new { Parameter = parameter, Properties = props },
StringComparer.OrdinalIgnoreCase);
if (matches.Any(m => m.Properties.Count() != 1))
{
continue;
}
if (ctor.IsPublic && !typeInfo.IsAbstract)
{
// we need to save constructorInfo only for public constructors in non abstract classes
classMap.MapConstructor(ctor);
}
anyConstructorsWereFound = true;
}
if (anyConstructorsWereFound)
{
// if any constructors were found by this convention
// then map all the properties from the ClassType inheritance level also
foreach (var property in properties)
{
if (property.DeclaringType != classMap.ClassType)
{
continue;
}
var memberMap = classMap.MapMember(property);
if (classMap.IsAnonymous)
{
var defaultValue = memberMap.DefaultValue;
memberMap.SetDefaultValue(defaultValue);
}
}
}
}
private void OptInMembersWithBsonCreatorMapModifierAttribute(BsonClassMap classMap)
{
// let other constructors opt-in if they have any IBsonCreatorMapAttribute attributes
foreach (var constructorInfo in classMap.ClassType.GetConstructors(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly))
{
var hasAttribute = constructorInfo.GetCustomAttributes(typeof(IBsonCreatorMapAttribute), false).Any();
if (hasAttribute)
{
classMap.MapConstructor(constructorInfo);
}
}
// let other static factory methods opt-in if they have any IBsonCreatorMapAttribute attributes
foreach (var methodInfo in classMap.ClassType.GetMethods(BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly))
{
var hasAttribute = methodInfo.GetCustomAttributes(typeof(IBsonCreatorMapAttribute), false).Any();
if (hasAttribute)
{
classMap.MapFactoryMethod(methodInfo);
}
}
}