private static GrainReferenceCaster MakeCaster(Type interfaceType)
{
CodeGeneratorManager.GenerateAndCacheCodeForAssembly(interfaceType.Assembly);
var genericInterfaceType = interfaceType.IsConstructedGenericType
? interfaceType.GetGenericTypeDefinition()
: interfaceType;
// Try to find the correct GrainReference type for this interface.
Type grainReferenceType;
if (!GrainToReferenceMapping.TryGetValue(genericInterfaceType, out grainReferenceType))
{
throw new InvalidOperationException(
string.Format("Cannot find generated GrainReference class for interface '{0}'", interfaceType));
}
if (interfaceType.IsConstructedGenericType)
{
grainReferenceType = grainReferenceType.MakeGenericType(interfaceType.GenericTypeArguments);
}
// Get the grain reference constructor.
var constructor =
grainReferenceType.GetConstructors(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance)
.Where(
_ =>
{
var parameters = _.GetParameters();
return(parameters.Length == 1 && parameters[0].ParameterType == typeof(GrainReference));
}).FirstOrDefault();
if (constructor == null)
{
throw new InvalidOperationException(
string.Format(
"Cannot find suitable constructor on generated reference type for interface '{0}'",
interfaceType));
}
// Construct an expression to construct a new instance of this grain reference when given another grain
// reference.
var createLambdaParameter = Expression.Parameter(typeof(GrainReference), "gr");
var createLambda =
Expression.Lambda <Func <GrainReference, IAddressable> >(
Expression.New(constructor, createLambdaParameter),
createLambdaParameter);
var grainRefParameter = Expression.Parameter(typeof(IAddressable), "grainRef");
var body =
Expression.Call(
GrainReferenceCastInternalMethodInfo,
Expression.Constant(interfaceType),
createLambda,
grainRefParameter,
Expression.Constant(GrainInterfaceData.GetGrainInterfaceId(interfaceType)));
// Compile and return the reference casting lambda.
var lambda = Expression.Lambda <GrainReferenceCaster>(body, grainRefParameter);
return(lambda.Compile());
}
public Type GetGrainMethodInvokerType(Type interfaceType)
{
var typeInfo = interfaceType.GetTypeInfo();
CodeGeneratorManager.GenerateAndCacheCodeForAssembly(typeInfo.Assembly);
var genericInterfaceType = interfaceType.IsConstructedGenericType
? typeInfo.GetGenericTypeDefinition()
: interfaceType;
// Try to find the correct IGrainMethodInvoker type for this interface.
Type invokerType;
if (!this.grainToInvokerMapping.TryGetValue(genericInterfaceType, out invokerType))
{
throw new InvalidOperationException(
$"Cannot find generated {nameof(IGrainMethodInvoker)} implementation for interface '{interfaceType}'");
}
if (interfaceType.IsConstructedGenericType)
{
invokerType = invokerType.MakeGenericType(typeInfo.GenericTypeArguments);
}
return(invokerType);
}
/// <summary>
/// Processes the provided assembly.
/// </summary>
/// <param name="assembly">The assembly to process.</param>
private static void ProcessAssembly(Assembly assembly)
{
// If the assembly is loaded for reflection only avoid processing it.
if (assembly.ReflectionOnly)
{
return;
}
// Don't bother re-processing an assembly we've already scanned
lock (ProcessedAssemblies)
{
if (!ProcessedAssemblies.Add(assembly))
{
return;
}
}
// If the assembly does not reference Orleans, avoid generating code for it.
if (TypeUtils.IsOrleansOrReferencesOrleans(assembly))
{
// Code generation occurs in a self-contained assembly, so invoke it separately.
CodeGeneratorManager.GenerateAndCacheCodeForAssembly(assembly);
}
// Process each type in the assembly.
var shouldProcessSerialization = SerializationManager.ShouldFindSerializationInfo(assembly);
TypeInfo[] assemblyTypes;
try
{
assemblyTypes = assembly.DefinedTypes.ToArray();
}
catch (Exception exception)
{
if (Logger.IsWarning)
{
var message =
string.Format(
"AssemblyLoader encountered an exception loading types from assembly '{0}': {1}",
assembly.FullName,
exception);
Logger.Warn(ErrorCode.Loader_TypeLoadError_5, message, exception);
}
return;
}
// Process each type in the assembly.
foreach (var type in assemblyTypes)
{
if (shouldProcessSerialization)
{
SerializationManager.FindSerializationInfo(type);
}
GrainFactory.FindSupportClasses(type);
}
}
/// <summary>
/// Processes the provided assembly.
/// </summary>
/// <param name="assembly">The assembly to process.</param>
private void ProcessAssembly(Assembly assembly)
{
string assemblyName = assembly.GetName().Name;
if (this.logger.IsVerbose3)
{
this.logger.Verbose3("Processing assembly {0}", assemblyName);
}
#if !NETSTANDARD
// If the assembly is loaded for reflection only avoid processing it.
if (assembly.ReflectionOnly)
{
return;
}
#endif
// Don't bother re-processing an assembly we've already scanned
lock (this.processedAssemblies)
{
if (!this.processedAssemblies.Add(assembly))
{
return;
}
}
// If the assembly does not reference Orleans, avoid generating code for it.
if (TypeUtils.IsOrleansOrReferencesOrleans(assembly))
{
// Code generation occurs in a self-contained assembly, so invoke it separately.
CodeGeneratorManager.GenerateAndCacheCodeForAssembly(assembly);
}
// Process each type in the assembly.
var assemblyTypes = TypeUtils.GetDefinedTypes(assembly, this.logger).ToArray();
// Process each type in the assembly.
foreach (TypeInfo typeInfo in assemblyTypes)
{
try
{
var type = typeInfo.AsType();
string typeName = typeInfo.FullName;
if (this.logger.IsVerbose3)
{
this.logger.Verbose3("Processing type {0}", typeName);
}
SerializationManager.FindSerializationInfo(type);
this.typeCache.FindSupportClasses(type);
}
catch (Exception exception)
{
this.logger.Error(ErrorCode.SerMgr_TypeRegistrationFailure, "Failed to load type " + typeInfo.FullName + " in assembly " + assembly.FullName + ".", exception);
}
}
}
public Type GetGrainReferenceType(Type interfaceType)
{
var typeInfo = interfaceType.GetTypeInfo();
codeGeneratorManager.GenerateAndCacheCodeForAssembly(typeInfo.Assembly);
var genericInterfaceType = interfaceType.IsConstructedGenericType
? typeInfo.GetGenericTypeDefinition()
: interfaceType;
if (!typeof(IAddressable).IsAssignableFrom(interfaceType))
{
throw new InvalidCastException(
$"Target interface must be derived from {typeof(IAddressable).FullName} - cannot handle {interfaceType}");
}
// Try to find the correct GrainReference type for this interface.
Type grainReferenceType;
if (!this.grainToReferenceMapping.TryGetValue(genericInterfaceType, out grainReferenceType))
{
throw new InvalidOperationException(
$"Cannot find generated {nameof(GrainReference)} class for interface '{interfaceType}'");
}
if (interfaceType.IsConstructedGenericType)
{
grainReferenceType = grainReferenceType.MakeGenericType(typeInfo.GenericTypeArguments);
}
if (!typeof(IAddressable).IsAssignableFrom(grainReferenceType))
{
// This represents an internal programming error.
throw new InvalidCastException(
$"Target reference type must be derived from {typeof(IAddressable).FullName}- cannot handle {grainReferenceType}");
}
return(grainReferenceType);
}
private static IGrainMethodInvoker MakeInvoker(Type interfaceType)
{
CodeGeneratorManager.GenerateAndCacheCodeForAssembly(interfaceType.Assembly);
var genericInterfaceType = interfaceType.IsConstructedGenericType
? interfaceType.GetGenericTypeDefinition()
: interfaceType;
// Try to find the correct IGrainMethodInvoker type for this interface.
Type invokerType;
if (!GrainToInvokerMapping.TryGetValue(genericInterfaceType, out invokerType))
{
return(null);
}
if (interfaceType.IsConstructedGenericType)
{
invokerType = invokerType.MakeGenericType(interfaceType.GenericTypeArguments);
}
return((IGrainMethodInvoker)Activator.CreateInstance(invokerType));
}
/// <summary>
/// Processes the provided assembly.
/// </summary>
/// <param name="assembly">The assembly to process.</param>
private static void ProcessAssembly(Assembly assembly)
{
string assemblyName = assembly.GetName().Name;
if (Logger.IsVerbose3)
{
Logger.Verbose3("Processing assembly {0}", assemblyName);
}
// If the assembly is loaded for reflection only avoid processing it.
if (assembly.ReflectionOnly)
{
return;
}
// Don't bother re-processing an assembly we've already scanned
lock (ProcessedAssemblies)
{
if (!ProcessedAssemblies.Add(assembly))
{
return;
}
}
// If the assembly does not reference Orleans, avoid generating code for it.
if (TypeUtils.IsOrleansOrReferencesOrleans(assembly))
{
// Code generation occurs in a self-contained assembly, so invoke it separately.
CodeGeneratorManager.GenerateAndCacheCodeForAssembly(assembly);
}
// Process each type in the assembly.
var shouldProcessSerialization = SerializationManager.ShouldFindSerializationInfo(assembly);
var assemblyTypes = TypeUtils.GetDefinedTypes(assembly, Logger).ToArray();
// Process each type in the assembly.
List <Type> typesToFind = new List <Type>(assemblyTypes.Length);
foreach (TypeInfo typeInfo in assemblyTypes)
{
try
{
var type = typeInfo.AsType();
string typeName = typeInfo.FullName;
if (Logger.IsVerbose3)
{
Logger.Verbose3("Processing type {0}", typeName);
}
if (shouldProcessSerialization)
{
typesToFind.Add(type);
}
GrainFactory.FindSupportClasses(type);
}
catch (Exception exception)
{
Logger.Error(ErrorCode.SerMgr_TypeRegistrationFailure, "Failed to load type " + typeInfo.FullName + " in assembly " + assembly.FullName + ".", exception);
}
}
SerializationManager.FindSerializationInfo(typesToFind);
}
