SerializableType CompileType(Type type, bool describedOnly)
{
AmqpContract contract = this.contractResolver.Resolve(type);
if (contract != null)
{
return(this.CreateContractType(contract));
}
return(this.CompileNonContractTypes(type));
}
SerializableType CompileType(Type type, bool describedOnly, HashSet <Type> pendingTypes)
{
AmqpContract contract = this.contractResolver.Resolve(type);
if (contract != null)
{
return(this.CreateContractType(contract, pendingTypes));
}
return(this.CompileNonContractTypes(type, pendingTypes));
}
SerializableType CreateContractType(AmqpContract contract)
{
Type type = contract.Type;
string descriptorName = contract.Attribute.Name;
ulong? descriptorCode = contract.Attribute.InternalCode;
if (descriptorName == null && descriptorCode == null)
{
descriptorName = type.FullName;
}
SerializableMember[] members = new SerializableMember[contract.Members.Length];
for (int i = 0; i < contract.Members.Length; i++)
{
SerializableMember member = new SerializableMember();
members[i] = member;
AmqpMember amqpMember = contract.Members[i];
member.Name = amqpMember.Name;
member.Order = amqpMember.Order;
member.Accessor = MemberAccessor.Create(amqpMember.Info, true);
// This will recursively resolve member types
Type memberType = amqpMember.Info is FieldInfo ?
((FieldInfo)amqpMember.Info).FieldType :
((PropertyInfo)amqpMember.Info).PropertyType;
member.Type = GetType(memberType);
}
MethodAccessor[] serializationCallbacks = new MethodAccessor[]
{
contract.Serializing == null ? null : MethodAccessor.Create(contract.Serializing),
contract.Serialized == null ? null : MethodAccessor.Create(contract.Serialized),
contract.Deserializing == null ? null : MethodAccessor.Create(contract.Deserializing),
contract.Deserialized == null ? null : MethodAccessor.Create(contract.Deserialized)
};
SerializableType baseType = null;
if (contract.BaseContract != null)
{
baseType = this.CreateContractType(contract.BaseContract);
}
Dictionary <Type, SerializableType> knownTypes = null;
if (contract.Provides != null)
{
knownTypes = new Dictionary <Type, SerializableType>();
for (int i = 0; i < contract.Provides.Length; i++)
{
// KnownType compilation is delayed and non-recursive to avoid circular references
knownTypes.Add(contract.Provides[i], null);
}
}
if (contract.Attribute.Encoding == EncodingType.List)
{
return(SerializableType.CreateDescribedListType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, serializationCallbacks));
}
else if (contract.Attribute.Encoding == EncodingType.Map)
{
return(SerializableType.CreateDescribedMapType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, serializationCallbacks));
}
else if (contract.Attribute.Encoding == EncodingType.SimpleMap)
{
return(SerializableType.CreateDescribedSimpleMapType(this, type, baseType, members, serializationCallbacks));
}
else if (contract.Attribute.Encoding == EncodingType.SimpleList)
{
return(SerializableType.CreateDescribedSimpleListType(this, type, baseType, members, serializationCallbacks));
}
else
{
throw new NotSupportedException(contract.Attribute.Encoding.ToString());
}
}
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);
}
/// <summary>
/// Called when a type is successully resolved. Derived class can
/// override this method to update the contract if necessary.
/// </summary>
/// <param name="contract">The serialization contract.</param>
protected virtual void OnResolved(AmqpContract contract)
{
}
SerializableType CreateContractType(AmqpContract contract, HashSet <Type> pendingTypes)
{
Type type = contract.Type;
if (pendingTypes.Contains(type))
{
return(SerializableType.CreateDelegatingType(this, type));
}
pendingTypes.Add(type);
string descriptorName = contract.Attribute.Name;
ulong? descriptorCode = contract.Attribute.InternalCode;
if (descriptorName == null && descriptorCode == null)
{
descriptorName = type.FullName;
}
SerializableMember[] members = new SerializableMember[contract.Members.Length];
for (int i = 0; i < contract.Members.Length; i++)
{
SerializableMember member = new SerializableMember();
members[i] = member;
AmqpMember amqpMember = contract.Members[i];
member.Name = amqpMember.Name;
member.Order = amqpMember.Order;
member.Accessor = MemberAccessor.Create(amqpMember.Info, true);
// This will recursively resolve member types
Type memberType = amqpMember.Info is FieldInfo ?
((FieldInfo)amqpMember.Info).FieldType :
((PropertyInfo)amqpMember.Info).PropertyType;
member.Type = GetOrCompileType(memberType, false, pendingTypes);
}
MethodAccessor[] serializationCallbacks = new MethodAccessor[]
{
contract.Serializing == null ? null : MethodAccessor.Create(contract.Serializing),
contract.Serialized == null ? null : MethodAccessor.Create(contract.Serialized),
contract.Deserializing == null ? null : MethodAccessor.Create(contract.Deserializing),
contract.Deserialized == null ? null : MethodAccessor.Create(contract.Deserialized)
};
SerializableType baseType = null;
if (contract.BaseContract != null)
{
baseType = this.CreateContractType(contract.BaseContract, pendingTypes);
}
SerializableType[] knownTypes = null;
if (contract.Provides != null)
{
knownTypes = new SerializableType[contract.Provides.Length];
for (int i = 0; i < contract.Provides.Length; i++)
{
knownTypes[i] = this.GetOrCompileType(contract.Provides[i], true, pendingTypes);
}
}
SerializableType result;
if (contract.Attribute.Encoding == EncodingType.List)
{
result = SerializableType.CreateDescribedListType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, serializationCallbacks);
}
else if (contract.Attribute.Encoding == EncodingType.Map)
{
result = SerializableType.CreateDescribedMapType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, serializationCallbacks);
}
else if (contract.Attribute.Encoding == EncodingType.SimpleMap)
{
result = SerializableType.CreateDescribedSimpleMapType(this, type, baseType, members, serializationCallbacks);
}
else if (contract.Attribute.Encoding == EncodingType.SimpleList)
{
result = SerializableType.CreateDescribedSimpleListType(this, type, baseType, members, serializationCallbacks);
}
else
{
throw new NotSupportedException(contract.Attribute.Encoding.ToString());
}
pendingTypes.Remove(type);
return(result);
}