public Map(AmqpContractSerializer serializer, Type type, MemberAccessor keyAccessor,
MemberAccessor valueAccessor, MethodAccessor addAccessor)
: base(serializer, type)
{
this.AmqpType = AmqpType.Primitive;
this.keyType = this.serializer.GetType(keyAccessor.Type);
this.valueType = this.serializer.GetType(valueAccessor.Type);
this.keyAccessor = keyAccessor;
this.valueAccessor = valueAccessor;
this.addMethodAccessor = addAccessor;
}
SerializableType CompileType(Type type, bool describedOnly)
{
var typeAttributes = type.GetTypeInfo().GetCustomAttributes(typeof(AmqpContractAttribute), false);
if (!typeAttributes.Any())
{
if (describedOnly)
{
return(null);
}
else
{
return(CompileNonContractTypes(type));
}
}
AmqpContractAttribute contractAttribute = (AmqpContractAttribute)typeAttributes.First();
SerializableType baseType = null;
if (type.GetTypeInfo().BaseType != typeof(object))
{
baseType = this.CompileType(type.GetTypeInfo().BaseType, true);
if (baseType != null)
{
if (baseType.Encoding != contractAttribute.Encoding)
{
throw new SerializationException(AmqpResources.GetString(AmqpResources.AmqpEncodingTypeMismatch, type.Name, contractAttribute.Encoding, type.GetTypeInfo().BaseType.Name, baseType.Encoding));
}
this.customTypeCache.TryAdd(type.GetTypeInfo().BaseType, baseType);
}
}
string descriptorName = contractAttribute.Name;
ulong? descriptorCode = contractAttribute.InternalCode;
if (descriptorName == null && descriptorCode == null)
{
descriptorName = type.FullName;
}
List <SerialiableMember> memberList = new List <SerialiableMember>();
if (contractAttribute.Encoding == EncodingType.List && baseType != null)
{
memberList.AddRange(baseType.Members);
}
int lastOrder = memberList.Count + 1;
MemberInfo[] memberInfos = type.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
MethodAccessor onDeserialized = null;
foreach (MemberInfo memberInfo in memberInfos)
{
if (memberInfo.DeclaringType != type)
{
continue;
}
if (memberInfo is FieldInfo ||
memberInfo is PropertyInfo)
{
var memberAttributes = memberInfo.GetCustomAttributes(typeof(AmqpMemberAttribute), true);
if (memberAttributes.Count() != 1)
{
continue;
}
AmqpMemberAttribute attribute = (AmqpMemberAttribute)memberAttributes.First();
SerialiableMember member = new SerialiableMember();
member.Name = attribute.Name ?? memberInfo.Name;
member.Order = attribute.InternalOrder ?? lastOrder++;
member.Mandatory = attribute.Mandatory;
member.Accessor = MemberAccessor.Create(memberInfo, true);
// This will recursively resolve member types
Type memberType = memberInfo is FieldInfo ? ((FieldInfo)memberInfo).FieldType : ((PropertyInfo)memberInfo).PropertyType;
member.Type = GetType(memberType);
memberList.Add(member);
}
else if (memberInfo is MethodInfo)
{
var memberAttributes = memberInfo.GetCustomAttributes(typeof(OnDeserializedAttribute), false);
if (memberAttributes.Count() == 1)
{
onDeserialized = MethodAccessor.Create((MethodInfo)memberInfo);
}
}
}
if (contractAttribute.Encoding == EncodingType.List)
{
memberList.Sort(MemberOrderComparer.Instance);
int order = -1;
foreach (SerialiableMember member in memberList)
{
if (order > 0 && member.Order == order)
{
throw new SerializationException(AmqpResources.GetString(AmqpResources.AmqpDuplicateMemberOrder, order, type.Name));
}
order = member.Order;
}
}
SerialiableMember[] members = memberList.ToArray();
Dictionary <Type, SerializableType> knownTypes = null;
foreach (object o in type.GetTypeInfo().GetCustomAttributes(typeof(KnownTypeAttribute), false))
{
KnownTypeAttribute knownAttribute = (KnownTypeAttribute)o;
if (knownAttribute.Type.GetTypeInfo().GetCustomAttributes(typeof(AmqpContractAttribute), false).Any())
{
if (knownTypes == null)
{
knownTypes = new Dictionary <Type, SerializableType>();
}
// KnownType compilation is delayed and non-recursive to avoid circular references
knownTypes.Add(knownAttribute.Type, null);
}
}
if (contractAttribute.Encoding == EncodingType.List)
{
return(SerializableType.CreateDescribedListType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, onDeserialized));
}
else if (contractAttribute.Encoding == EncodingType.Map)
{
return(SerializableType.CreateDescribedMapType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, onDeserialized));
}
else
{
throw new NotSupportedException(contractAttribute.Encoding.ToString());
}
}
SerializableType CompileNonContractTypes(Type type)
{
if (type.GetTypeInfo().IsGenericType&&
type.GetGenericTypeDefinition() == typeof(Nullable <>))
{
Type[] argTypes = type.GetGenericArguments();
Fx.Assert(argTypes.Length == 1, "Nullable type must have one argument");
return(this.GetType(argTypes[0]));
}
if (type.GetTypeInfo().IsInterface)
{
if (typeof(IEnumerable).GetTypeInfo().IsAssignableFrom(type.GetTypeInfo()))
{
// if a member is defined as enumerable interface, we have to change it
// to list, otherwise the decoder cannot initialize an object of an interface
Type itemType = typeof(object);
Type listType = typeof(List <object>);
if (type.GetTypeInfo().IsGenericType)
{
Type[] argTypes = type.GetGenericArguments();
Fx.Assert(argTypes.Length == 1, "IEnumerable type must have one argument");
itemType = argTypes[0];
listType = typeof(List <>).MakeGenericType(argTypes);
}
MethodAccessor addAccess = MethodAccessor.Create(listType.GetMethod("Add", new Type[] { itemType }));
return(new SerializableType.List(this, listType, itemType, addAccess)
{
Final = true
});
}
return(null);
}
if (type.GetTypeInfo().IsEnum)
{
Type underlyingType = Enum.GetUnderlyingType(type);
return(new SerializableType.Converted(
AmqpType.Converted,
type,
underlyingType,
(o, t) => Convert.ChangeType(o, t),
(o, t) => Enum.ToObject(t, o)));
}
if (type.GetInterfaces().Any(it => it == typeof(IAmqpSerializable)))
{
return(new SerializableType.Serializable(this, type));
}
if (type.IsArray)
{
// validate item type to be AMQP types only
AmqpEncoding.GetEncoding(type.GetElementType());
return(SerializableType.CreatePrimitiveType(type));
}
foreach (Type it in type.GetInterfaces())
{
if (it.GetTypeInfo().IsGenericType)
{
Type genericTypeDef = it.GetGenericTypeDefinition();
if (genericTypeDef == typeof(IDictionary <,>))
{
Type[] argTypes = it.GetGenericArguments();
Type itemType = typeof(KeyValuePair <,>).MakeGenericType(argTypes);
MemberAccessor keyAccessor = MemberAccessor.Create(itemType.GetProperty("Key"), false);
MemberAccessor valueAccessor = MemberAccessor.Create(itemType.GetProperty("Value"), false);
MethodAccessor addAccess = MethodAccessor.Create(type.GetMethod("Add", argTypes));
return(new SerializableType.Map(this, type, keyAccessor, valueAccessor, addAccess));
}
if (genericTypeDef == typeof(ICollection <>))
{
Type[] argTypes = it.GetGenericArguments();
Type itemType = argTypes[0];
MethodAccessor addAccess = MethodAccessor.Create(type.GetMethod("Add", argTypes));
return(new SerializableType.List(this, type, itemType, addAccess));
}
}
}
return(null);
}
