protected DeputyBase(DeputyProps props = null)
{
props = props ?? new DeputyProps();
System.Type type = GetType();
// If this is a native object, it won't have any jsii metadata.
JsiiClassAttribute attribute = ReflectionUtils.GetClassAttribute(type);
string fullyQualifiedName = attribute?.FullyQualifiedName ?? "Object";
Parameter[] parameters = attribute?.Parameters ?? new Parameter[] { };
IServiceProvider serviceProvider = ServiceContainer.ServiceProvider;
IClient client = serviceProvider.GetRequiredService <IClient>();
CreateResponse response = client.Create(
fullyQualifiedName,
ConvertArguments(parameters, props.Arguments),
GetOverrides()
);
Reference = new ByRefValue(response["$jsii.byref"] as string);
IReferenceMap referenceMap = serviceProvider.GetRequiredService <IReferenceMap>();
referenceMap.AddNativeReference(Reference, this, true);
Override[] GetOverrides()
{
return(GetMethodOverrides().Concat(GetPropertyOverrides()).ToArray());
}
IEnumerable <Override> GetMethodOverrides()
{
foreach (MethodInfo method in type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
{
JsiiMethodAttribute inheritedAttribute = method.GetCustomAttribute <JsiiMethodAttribute>(true);
JsiiMethodAttribute uninheritedAttribute = method.GetCustomAttribute <JsiiMethodAttribute>(false);
if ((inheritedAttribute != null && uninheritedAttribute == null) || uninheritedAttribute?.IsOverride == true)
{
yield return(new Override(method: inheritedAttribute.Name));
}
}
}
IEnumerable <Override> GetPropertyOverrides()
{
foreach (PropertyInfo property in type.GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
{
JsiiPropertyAttribute inheritedAttribute = property.GetCustomAttribute <JsiiPropertyAttribute>(true);
JsiiPropertyAttribute uninheritedAttribute = property.GetCustomAttribute <JsiiPropertyAttribute>(false);
if ((inheritedAttribute != null && uninheritedAttribute == null) || uninheritedAttribute?.IsOverride == true)
{
yield return(new Override(property: inheritedAttribute.Name));
}
}
}
}
protected static T InvokeStaticMethod <T>(System.Type type, System.Type[] parameterTypes, object[] arguments, [CallerMemberName] string methodName = null)
{
JsiiMethodAttribute methodAttribute = GetStaticMethodAttribute(type, methodName, parameterTypes);
JsiiClassAttribute classAttribute = ReflectionUtils.GetClassAttribute(type);
return(InvokeMethodCore <T>(
methodAttribute,
arguments,
(client, args) => throw new ArgumentException("Async static methods are not supported in JSII", nameof(methodAttribute)),
(client, args) => client.StaticInvoke(
classAttribute.FullyQualifiedName,
methodAttribute.Name,
ConvertArguments(methodAttribute.Parameters, arguments)
)
));
}
protected T InvokeInstanceMethod <T>(System.Type[] parameterTypes, object[] arguments, [CallerMemberName] string methodName = null)
{
JsiiMethodAttribute methodAttribute = GetInstanceMethodAttribute(methodName, parameterTypes);
return(InvokeMethodCore <T>(
methodAttribute,
arguments,
(client, args) => client.Begin(
Reference.ToObjectReference(),
methodAttribute.Name,
ConvertArguments(methodAttribute.Parameters, arguments)
),
(client, args) => client.Invoke(
Reference.ToObjectReference(),
methodAttribute.Name,
ConvertArguments(methodAttribute.Parameters, arguments)
)
));
}
static JsiiMethodAttribute GetMethodAttributeCore(System.Type type, string methodName, BindingFlags bindingFlags)
{
methodName = methodName ?? throw new ArgumentNullException(nameof(methodName));
type = type ?? throw new ArgumentNullException(nameof(type));
MethodInfo methodInfo = type.GetMethod(methodName, bindingFlags);
if (methodInfo == null)
{
throw new ArgumentException($"Method {methodName} does not exist", nameof(methodName));
}
JsiiMethodAttribute methodAttribute = methodInfo.GetCustomAttribute <JsiiMethodAttribute>();
if (methodAttribute == null)
{
throw new ArgumentException($"Method {methodName} is missing JsiiMethodAttribute", nameof(methodName));
}
return(methodAttribute);
}
private static T InvokeMethodCore <T>(
JsiiMethodAttribute methodAttribute,
object?[] arguments,
Func <IClient, object?[], BeginResponse> beginFunc,
Func <IClient, object?[], InvokeResponse> invokeFunc
)
{
var serviceProvider = ServiceContainer.ServiceProvider;
var client = serviceProvider.GetRequiredService <IClient>();
var converter = serviceProvider.GetRequiredService <IJsiiToFrameworkConverter>();
var referenceMap = serviceProvider.GetRequiredService <IReferenceMap>();
var result = GetResult();
if (!converter.TryConvert(methodAttribute.Returns, typeof(T), referenceMap, result, out object?frameworkValue))
{
throw new NotSupportedException($"Could not convert result '{result}' for method '{methodAttribute.Name}'");
}
return((T)frameworkValue !);
object?GetResult()
{
var args = ConvertArguments(methodAttribute.Parameters, arguments);
if (methodAttribute.IsAsync)
{
var beginResponse = beginFunc(client, args);
InvokeCallbacks();
return(client.End(beginResponse.PromiseId).Result);
}
var invokeResponse = invokeFunc(client, args);
return(invokeResponse.Result);
}
}
static T InvokeMethodCore <T>(
JsiiMethodAttribute methodAttribute,
object[] arguments,
Func <IClient, object[], BeginResponse> beginFunc,
Func <IClient, object[], InvokeResponse> invokeFunc
)
{
IServiceProvider serviceProvider = ServiceContainer.ServiceProvider;
IClient client = serviceProvider.GetRequiredService <IClient>();
IJsiiToFrameworkConverter converter = serviceProvider.GetRequiredService <IJsiiToFrameworkConverter>();
IReferenceMap referenceMap = serviceProvider.GetRequiredService <IReferenceMap>();
object result = GetResult();
if (!converter.TryConvert(methodAttribute.Returns, referenceMap, result, out object frameworkValue))
{
throw new ArgumentException($"Could not convert result '{result}' for method '{methodAttribute.Name}'", nameof(result));
}
return((T)frameworkValue);
object GetResult()
{
object[] args = ConvertArguments(methodAttribute.Parameters, arguments);
if (methodAttribute.IsAsync)
{
BeginResponse beginResponse = beginFunc(client, args);
InvokeCallbacks();
return(client.End(beginResponse.PromiseId).Result);
}
InvokeResponse invokeResponse = invokeFunc(client, args);
return(invokeResponse.Result);
}
}
