AmqpContract IContractResolver.Resolve(Type type)
{
AmqpContractAttribute contractAttribute = type.GetCustomAttribute <AmqpContractAttribute>(false);
if (contractAttribute == null)
{
foreach (MemberInfo memberInfo in type.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance))
{
AmqpMemberAttribute attribute = memberInfo.GetCustomAttribute <AmqpMemberAttribute>(true);
if (attribute != null)
{
throw new AmqpException(ErrorCode.NotAllowed,
Fx.Format("{0} has AmqpMemberAttribute members without AmqpContractAttribute on class", type.Name));
}
}
return(null);
}
if (contractAttribute.Encoding == EncodingType.SimpleMap &&
type.GetCustomAttribute <AmqpProvidesAttribute>(false) != null)
{
throw new AmqpException(ErrorCode.NotAllowed,
Fx.Format("{0}: SimpleMap encoding does not include descriptors so it does not support AmqpProvidesAttribute.", type.Name));
}
if (contractAttribute.Encoding == EncodingType.SimpleList &&
type.GetCustomAttribute <AmqpProvidesAttribute>(false) != null)
{
throw new AmqpException(ErrorCode.NotAllowed,
Fx.Format("{0}: SimpleList encoding does not include descriptors so it does not support AmqpProvidesAttribute.", type.Name));
}
AmqpContract baseContract = null;
if (type.BaseType() != typeof(object))
{
baseContract = ((IContractResolver)this).Resolve(type.BaseType());
if (baseContract != null && baseContract.Attribute.Encoding != contractAttribute.Encoding)
{
throw new AmqpException(ErrorCode.NotAllowed,
Fx.Format("{0}.Encoding ({1}) is different from {2}.Encoding ({3})",
type.Name, contractAttribute.Encoding, type.BaseType().Name, baseContract.Attribute.Encoding));
}
}
string descriptorName = contractAttribute.Name;
ulong? descriptorCode = contractAttribute.InternalCode;
if (descriptorName == null && descriptorCode == null)
{
descriptorName = type.FullName;
}
var memberList = new List <AmqpMember>();
int lastOrder = 0;
if (baseContract != null)
{
for (int i = 0; i < baseContract.Members.Length; i++)
{
memberList.Add(baseContract.Members[i]);
lastOrder = Math.Max(lastOrder, baseContract.Members[i].Order);
}
}
lastOrder++;
MethodInfo serializing = null;
MethodInfo serialized = null;
MethodInfo deserializing = null;
MethodInfo deserialized = null;
MemberInfo[] memberInfos = type.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
foreach (MemberInfo memberInfo in memberInfos)
{
if (memberInfo.DeclaringType != type)
{
continue;
}
if (memberInfo is FieldInfo || memberInfo is PropertyInfo)
{
AmqpMemberAttribute attribute = memberInfo.GetCustomAttribute <AmqpMemberAttribute>(true);
if (attribute == null)
{
continue;
}
memberList.Add(new AmqpMember()
{
Attribute = attribute,
Info = memberInfo,
Order = attribute.InternalOrder ?? lastOrder++
});
}
else if (memberInfo is MethodInfo)
{
if (memberInfo.GetCustomAttribute <OnSerializingAttribute>(false) != null)
{
serializing = (MethodInfo)memberInfo;
}
else if (memberInfo.GetCustomAttribute <OnSerializedAttribute>(false) != null)
{
serialized = (MethodInfo)memberInfo;
}
else if (memberInfo.GetCustomAttribute <OnDeserializingAttribute>(false) != null)
{
deserializing = (MethodInfo)memberInfo;
}
else if (memberInfo.GetCustomAttribute <OnDeserializedAttribute>(false) != null)
{
deserialized = (MethodInfo)memberInfo;
}
}
}
if (contractAttribute.Encoding == EncodingType.List)
{
memberList.Sort(MemberOrderComparer.Instance);
int order = -1;
foreach (AmqpMember member in memberList)
{
if (order > 0 && member.Order == order)
{
throw new AmqpException(ErrorCode.NotAllowed, Fx.Format("Duplicate Order {0} detected in {1}", order, type.Name));
}
order = member.Order;
}
}
List <Type> knownTypes = new List <Type>();
var providesAttributes = type.GetCustomAttributes <AmqpProvidesAttribute>(false);
foreach (object o in providesAttributes)
{
AmqpProvidesAttribute knownAttribute = (AmqpProvidesAttribute)o;
if (knownAttribute.Type.GetCustomAttribute <AmqpContractAttribute>(false) != null)
{
knownTypes.Add(knownAttribute.Type);
}
}
var contract = new AmqpContract(type)
{
Attribute = contractAttribute,
Members = memberList.ToArray(),
Provides = knownTypes.ToArray(),
Serializing = serializing,
Serialized = serialized,
Deserializing = deserializing,
Deserialized = deserialized,
BaseContract = baseContract
};
this.OnResolved(contract);
return(contract);
}
SerializableType CompileType(Type type, bool describedOnly)
{
AmqpContractAttribute contractAttribute = type.GetCustomAttribute <AmqpContractAttribute>(false);
if (contractAttribute == null)
{
if (describedOnly)
{
return(null);
}
else
{
return(CompileNonContractTypes(type));
}
}
SerializableType baseType = null;
if (type.BaseType() != typeof(object))
{
baseType = this.CompileType(type.BaseType(), true);
if (baseType != null)
{
if (baseType.Encoding != contractAttribute.Encoding)
{
throw new SerializationException(
Fx.Format("{0}.Encoding ({1}) is different from {2}.Encoding ({3})",
type.Name, contractAttribute.Encoding, type.BaseType().Name, baseType.Encoding));
}
baseType = this.typeCache.GetOrAdd(type.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 (baseType != null)
{
memberList.AddRange(baseType.Members);
}
int lastOrder = memberList.Count + 1;
MemberInfo[] memberInfos = type.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
MethodAccessor[] serializationCallbacks = new MethodAccessor[SerializationCallback.Size];
foreach (MemberInfo memberInfo in memberInfos)
{
if (memberInfo.DeclaringType != type)
{
continue;
}
if (memberInfo is FieldInfo || memberInfo is PropertyInfo)
{
AmqpMemberAttribute attribute = memberInfo.GetCustomAttribute <AmqpMemberAttribute>(true);
if (attribute == null)
{
continue;
}
SerialiableMember member = new SerialiableMember();
member.Name = attribute.Name ?? memberInfo.Name;
member.Order = attribute.InternalOrder ?? lastOrder++;
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)
{
MethodInfo methodInfo = (MethodInfo)memberInfo;
MethodAccessor methodAccessor;
if (this.TryCreateMethodAccessor <OnSerializingAttribute>(methodInfo, out methodAccessor))
{
serializationCallbacks[SerializationCallback.OnSerializing] = methodAccessor;
}
else if (this.TryCreateMethodAccessor <OnSerializedAttribute>(methodInfo, out methodAccessor))
{
serializationCallbacks[SerializationCallback.OnSerialized] = methodAccessor;
}
else if (this.TryCreateMethodAccessor <OnDeserializingAttribute>(methodInfo, out methodAccessor))
{
serializationCallbacks[SerializationCallback.OnDeserializing] = methodAccessor;
}
else if (this.TryCreateMethodAccessor <OnDeserializedAttribute>(methodInfo, out methodAccessor))
{
serializationCallbacks[SerializationCallback.OnDeserialized] = methodAccessor;
}
}
}
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(Fx.Format("Duplicate Order {0} detected in {1}", order, type.Name));
}
order = member.Order;
}
}
SerialiableMember[] members = memberList.ToArray();
if (contractAttribute.Encoding == EncodingType.SimpleMap &&
type.GetCustomAttribute <AmqpProvidesAttribute>(false) != null)
{
throw new SerializationException(
Fx.Format("{0}: SimpleMap encoding does not include descriptors so it does not support AmqpProvidesAttribute.", type.Name));
}
Dictionary <Type, SerializableType> knownTypes = null;
var providesAttributes = type.GetCustomAttributes <AmqpProvidesAttribute>(false);
foreach (object o in providesAttributes)
{
AmqpProvidesAttribute knownAttribute = (AmqpProvidesAttribute)o;
if (knownAttribute.Type.GetCustomAttribute <AmqpContractAttribute>(false) != null)
{
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, serializationCallbacks));
}
else if (contractAttribute.Encoding == EncodingType.Map)
{
return(SerializableType.CreateDescribedMapType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, serializationCallbacks));
}
else if (contractAttribute.Encoding == EncodingType.SimpleMap)
{
return(SerializableType.CreateDescribedSimpleMapType(this, type, baseType, members, serializationCallbacks));
}
else
{
throw new NotSupportedException(contractAttribute.Encoding.ToString());
}
}
SerializableType CompileType(Type type, bool describedOnly)
{
object[] typeAttributes = type.GetCustomAttributes(typeof(AmqpContractAttribute), false);
if (typeAttributes.Length == 0)
{
if (describedOnly)
{
return(null);
}
else
{
return(CompileNonContractTypes(type));
}
}
AmqpContractAttribute contractAttribute = (AmqpContractAttribute)typeAttributes[0];
SerializableType baseType = null;
if (type.BaseType != typeof(object))
{
baseType = this.CompileType(type.BaseType, true);
if (baseType != null)
{
if (baseType.Encoding != contractAttribute.Encoding)
{
throw new SerializationException(
Fx.Format("{0}.Encoding ({1}) is different from {2}.Encoding ({3})",
type.Name, contractAttribute.Encoding, type.BaseType.Name, baseType.Encoding));
}
this.typeCache[type.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.MemberType == MemberTypes.Field ||
memberInfo.MemberType == MemberTypes.Property)
{
object[] memberAttributes = memberInfo.GetCustomAttributes(typeof(AmqpMemberAttribute), true);
if (memberAttributes.Length != 1)
{
continue;
}
AmqpMemberAttribute attribute = (AmqpMemberAttribute)memberAttributes[0];
SerialiableMember member = new SerialiableMember();
member.Name = attribute.Name ?? memberInfo.Name;
member.Order = attribute.InternalOrder ?? lastOrder++;
member.Accessor = MemberAccessor.Create(memberInfo, true);
// This will recursively resolve member types
Type memberType = memberInfo.MemberType == MemberTypes.Field ? ((FieldInfo)memberInfo).FieldType : ((PropertyInfo)memberInfo).PropertyType;
member.Type = GetType(memberType);
memberList.Add(member);
}
else if (memberInfo.MemberType == MemberTypes.Method)
{
object[] memberAttributes = memberInfo.GetCustomAttributes(typeof(OnDeserializedAttribute), false);
if (memberAttributes.Length == 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(Fx.Format("Duplicate Order {0} detected in {1}", order, type.Name));
}
order = member.Order;
}
}
SerialiableMember[] members = memberList.ToArray();
Dictionary <Type, SerializableType> knownTypes = null;
foreach (object o in type.GetCustomAttributes(typeof(AmqpProvidesAttribute), false))
{
AmqpProvidesAttribute knownAttribute = (AmqpProvidesAttribute)o;
if (knownAttribute.Type.GetCustomAttributes(typeof(AmqpContractAttribute), false).Length > 0)
{
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());
}
}
