protected virtual void AssertReturnTypeCombination(MethodInfo adapterMethod, MethodInfo targetMethod, InvocationTypes targetInvocationType)
{
Type targetMethodReturnType = targetMethod.ReturnType;
switch (targetInvocationType)
{
case InvocationTypes.Sync:
if (AdapterHelper.IsVoid(adapterMethod.ReturnType) && adapterMethod.ReturnType != targetMethodReturnType)
{
throw new AdapterInterceptorException($"Adapter and target method return types should match if either is void.{Environment.NewLine}Adapter method: {adapterMethod.ToLoggerString()}{Environment.NewLine}Target method: {targetMethod.ToLoggerString()}");
}
break;
case InvocationTypes.GenericTask:
if (!AdapterHelper.IsGenericTask(adapterMethod.ReturnType))
{
throw new AdapterInterceptorException($"Adapter and target method return types should both be a generic Task.{Environment.NewLine}Adapter method: {adapterMethod.ToLoggerString()}{Environment.NewLine}Target method: {targetMethod.ToLoggerString()}");
}
break;
case InvocationTypes.Task:
if (adapterMethod.ReturnType != targetMethodReturnType)
{
throw new AdapterInterceptorException($"Adapter and target method return types should match if target return type is Task.{Environment.NewLine}Adapter method: {adapterMethod.ToLoggerString()}{Environment.NewLine}Target method: {targetMethod.ToLoggerString()}");
}
break;
case InvocationTypes.GenericValueTask:
if (!AdapterHelper.IsGenericValueTask(adapterMethod.ReturnType))
{
throw new AdapterInterceptorException($"Adapter and target method return types should both be a generic ValueTask.{Environment.NewLine}Adapter method: {adapterMethod.ToLoggerString()}{Environment.NewLine}Target method: {targetMethod.ToLoggerString()}");
}
break;
case InvocationTypes.ValueTask:
if (!AdapterHelper.IsValueTask(adapterMethod.ReturnType))
{
throw new AdapterInterceptorException($"Adapter and target method return types should match if target return type is ValueTask.{Environment.NewLine}Adapter method: {adapterMethod.ToLoggerString()}{Environment.NewLine}Target method: {targetMethod.ToLoggerString()}");
}
break;
default: throw new NotImplementedException();
}
}
protected virtual AdapterInvocationInformation PrepareAdapterInvocationInformation(MethodInfo adapterMethod, MethodInfo targetMethod, Type[] adapterMethodParameterTypes, Type[] targetMethodParmeterTypes)
{
Type targetMethodReturnType = targetMethod.ReturnType;
// Task<>
if (AdapterHelper.IsGenericTask(targetMethodReturnType))
{
MethodInfo genericInvokeTargetGenericTaskAsyncMethod = _invokeTargetGenericTaskAsync_Method.MakeGenericMethod(adapterMethod.ReturnType.GenericTypeArguments[0]);
InvocationTypes targetInvocationType = InvocationTypes.GenericTask;
AssertReturnTypeCombination(adapterMethod, targetMethod, targetInvocationType);
return(new AdapterInvocationInformation(targetMethod, adapterMethodParameterTypes, targetMethodParmeterTypes, targetInvocationType, genericInvokeTargetGenericTaskAsyncMethod));
}
// Task
else if (AdapterHelper.IsTask(targetMethodReturnType))
{
InvocationTypes targetInvocationType = InvocationTypes.Task;
AssertReturnTypeCombination(adapterMethod, targetMethod, targetInvocationType);
return(new AdapterInvocationInformation(targetMethod, adapterMethodParameterTypes, targetMethodParmeterTypes, targetInvocationType));
}
// ValueTask<>
else if (AdapterHelper.IsGenericValueTask(targetMethodReturnType))
{
MethodInfo genericInvokeTargetGenericValueTaskAsyncMethod = _invokeTargetGenericValueTaskAsync_Method.MakeGenericMethod(adapterMethod.ReturnType.GenericTypeArguments[0]);
InvocationTypes targetInvocationType = InvocationTypes.GenericValueTask;
AssertReturnTypeCombination(adapterMethod, targetMethod, targetInvocationType);
return(new AdapterInvocationInformation(targetMethod, adapterMethodParameterTypes, targetMethodParmeterTypes, targetInvocationType, genericInvokeTargetGenericValueTaskAsyncMethod));
}
// ValueTask
else if (AdapterHelper.IsValueTask(targetMethodReturnType))
{
InvocationTypes targetInvocationType = InvocationTypes.ValueTask;
AssertReturnTypeCombination(adapterMethod, targetMethod, targetInvocationType);
return(new AdapterInvocationInformation(targetMethod, adapterMethodParameterTypes, targetMethodParmeterTypes, targetInvocationType));
}
else
// Likely synchronous
{
InvocationTypes targetInvocationType = InvocationTypes.Sync;
AssertReturnTypeCombination(adapterMethod, targetMethod, targetInvocationType);
return(new AdapterInvocationInformation(targetMethod, adapterMethodParameterTypes, targetMethodParmeterTypes, targetInvocationType));
}
}
