private static object CreateMethodReturnContracts(IPayloadDescriptorProvider payloadProvider, IMethodDescriptorProvider methodProvider, IHubDescriptorProvider hubProvider)
{
return hubProvider.GetHubs()
.Select(hub => methodProvider.GetMethods(hub)
.Where(methodDescriptor => payloadProvider.HasPayload(methodDescriptor.ReturnType)))
.Where(methodList => methodList.Count() > 0)
.ToDictionary(methodList => methodList.First().Hub.HubType.GetHubName(),
methodList => methodList
.Select(methodDescriptor =>
{
PayloadDescriptor payloadDescriptor = payloadProvider.GetPayload(methodDescriptor.ReturnType);
bool enumerable = false;
// If payloadDescriptor is null then the return type has a payload within it
if (payloadDescriptor == null)
{
payloadDescriptor = payloadProvider.GetPayload(methodDescriptor.ReturnType.GetEnumerableType());
enumerable = true;
}
return new object[]{
methodDescriptor.Name,
new object[]{
payloadDescriptor.ID,
enumerable ? CompressionTypeHelper.EnumerableTypeId : CompressionTypeHelper.DefaultTypeId
}
};
}).ToDictionary(methodNameToID => methodNameToID[0],
methodNameToID => methodNameToID[1]));
}
public DefaultContractsGenerator(IJsonSerializer serializer, IPayloadDescriptorProvider payloadProvider, IMethodDescriptorProvider methodProvider, IHubDescriptorProvider hubProvider)
{
_serializer = serializer;
_payloadProvider = payloadProvider;
_methodProvider = methodProvider;
_hubProvider = hubProvider;
_generatedContracts = new Lazy<JRaw>(() => new JRaw(_serializer.Stringify(CreateContractsCache(_serializer, _payloadProvider, _methodProvider, _hubProvider))));
}
private static object CreateMethodInvokerContracts(IPayloadDescriptorProvider payloadProvider, IMethodDescriptorProvider methodProvider, IHubDescriptorProvider hubProvider)
{
return hubProvider.GetHubs()
.Select(hub => methodProvider.GetMethods(hub)
.Where(methodDescriptor => HasPayloadArgument(methodDescriptor.Parameters, payloadProvider)))
.Where(methodList => methodList.Count() > 0)
.ToDictionary(methodList => methodList.First().Hub.HubType.GetHubName(),
methodList => methodList
.Select(methodDescriptor =>
new object[]{
methodDescriptor.Name,
methodDescriptor.Parameters
.Select(parameterDescriptor =>
{
PayloadDescriptor payloadDescriptor = payloadProvider.GetPayload(parameterDescriptor.ParameterType);
bool enumerable = false;
long payloadId = -1;
// If payloadDescriptor is null then the parameter type may have a payload within it
if (payloadDescriptor == null)
{
// See if parameter is enumerable
if(parameterDescriptor.ParameterType.IsEnumerable())
{
enumerable = true;
payloadDescriptor = payloadProvider.GetPayload(parameterDescriptor.ParameterType.GetEnumerableType());
if(payloadDescriptor != null)
{
payloadId = payloadDescriptor.ID;
}
}
}
else
{
payloadId = payloadDescriptor.ID;
}
return new object[]{
payloadId,
enumerable ? CompressionTypeHelper.EnumerableTypeId : CompressionTypeHelper.DefaultTypeId
};
})
}).ToDictionary(methodNameToID => methodNameToID[0],
methodNameToID => methodNameToID[1]));
}
private static object CreateContractsCache(IJsonSerializer serializer, IPayloadDescriptorProvider payloadProvider, IMethodDescriptorProvider methodProvider, IHubDescriptorProvider hubProvider)
{
var methodReturnContracts = CreateMethodReturnContracts(payloadProvider, methodProvider, hubProvider);
var methodInvokerContracts = CreateMethodInvokerContracts(payloadProvider, methodProvider, hubProvider);
var payloadContracts = CreatePayloadContracts(payloadProvider);
return new object[] { methodReturnContracts, methodInvokerContracts, payloadContracts };
}
