public void TestDelegateFactory()
{
TestObject obj = new TestObject();
IFactory <TestObject> factory = new DelegateFactory <TestObject>(() => obj);
Assert.IsTrue(ReferenceEquals(factory.Create(), factory.Create()));
factory = new DelegateFactory <TestObject>(() => new TestObject());
Assert.IsFalse(ReferenceEquals(factory.Create(), factory.Create()));
}
public void TestEvents(string eventName)
{
var ev = instance.GetType().GetEvent(eventName);
var del = DelegateFactory.Create(ev, Handler);
ev.AddEventHandler(instance, del);
}
void Write(StringBuilder builder, Type t, object obj)
{
if (obj == null)
{
return;
}
IEnumerable <PropertyInfo> properties;
if (!typeToProperties.TryGetValue(t, out properties))
{
throw new InvalidOperationException(string.Format("Type {0} was not registered in the serializer. Check that it appears in the list of configured assemblies/types to scan.", t.FullName));
}
foreach (var prop in properties)
{
if (IsIndexedProperty(prop))
{
throw new NotSupportedException(string.Format("Type {0} contains an indexed property named {1}. Indexed properties are not supported on message types.", t.FullName, prop.Name));
}
WriteEntry(prop.Name, prop.PropertyType, DelegateFactory.Create(prop).Invoke(obj), builder);
}
foreach (var field in typeToFields[t])
{
WriteEntry(field.Name, field.FieldType, DelegateFactory.Create(field).Invoke(obj), builder);
}
}
public static object GetValue(this MemberInfo member, object source)
{
var fieldInfo = member as FieldInfo;
if (fieldInfo != null)
{
var field = DelegateFactory.Create(fieldInfo);
return(field.Invoke(source));
}
var propertyInfo = (PropertyInfo)member;
if (!propertyInfo.CanRead)
{
if (propertyInfo.PropertyType.IsValueType)
{
return(Activator.CreateInstance(propertyInfo.PropertyType));
}
return(null);
}
var property = DelegateFactory.Create(propertyInfo);
return(property.Invoke(source));
}
void ITester.Setup()
{
_mi1 = DelegateFactory.Create(typeof(PublicReadMethods).GetMethod("TestString"));
_mi2 = DelegateFactory.Create(typeof(PublicReadMethods).GetMethod("TestInt"));
_stringMethodParams = new object[] { "lalamido" };
_intMethodParams = new object[] { 1, 2 };
}
public static void Run()
{
var factory = new DelegateFactory();
// begin
var d = factory.Create();
// end
d.DynamicInvoke(42);
}
public static void Run()
{
var factory = new DelegateFactory();
var action = new CustomAction<int>(delegate { });
// begin
var d = factory.Create(action);
// end
d.DynamicInvoke(42);
}
public static void Run()
{
var factory = new DelegateFactory();
// begin
var d = factory.Create();
// end
d.DynamicInvoke(42);
}
private DelegateFactory.LateBoundMethod GetLateBoundMethod(MethodInfo methodInfo)
{
DelegateFactory.LateBoundMethod lateBoundMethod;
if (!_lateBoundMethodCache.TryGetValue(methodInfo, out lateBoundMethod))
{
lateBoundMethod = DelegateFactory.Create(methodInfo);
_lateBoundMethodCache[methodInfo] = lateBoundMethod;
}
return(lateBoundMethod);
}
public static void Run()
{
var action = new Action <int>(i => { });
var factory = new DelegateFactory();
// begin
var d = factory.Create(action);
// end
d.DynamicInvoke(42);
}
private Func <string, object> BuildFactoryMethod(Type grainType)
{
var mi = _grainIdentityInterfaceMap.FirstOrDefault(x => x.Item1.IsAssignableFrom(grainType));
if (mi != null)
{
var factoryDelegate = DelegateFactory.Create(mi.Item2.GetGenericMethodDefinition().MakeGenericMethod(grainType));
//Construct the GrainKey parameter
var idParts = GetArgumentParser(mi.Item2.GetParameters());
return((id) => factoryDelegate(_grainProxy, idParts(id)));
}
throw new OrleansGrainReferenceException($"cannot construct grain {grainType.Name}");
}
public void Delegate_factory_create_method_timing()
{
var stopWatch = new Stopwatch();
stopWatch.Start();
var method = typeof(string).GetMethod("ToUpper", new Type[] { });
DelegateFactory.Create(method);
stopWatch.Stop();
Console.WriteLine("Totally took: {0}ms", stopWatch.ElapsedMilliseconds);
}
public void String_test_with_delegate()
{
var stopWatch = new Stopwatch();
stopWatch.Start();
var methodInfo = typeof(string).GetMethod("ToUpper", new Type[] {});
var delMethod = DelegateFactory.Create(methodInfo);
for (var i = 0; i < Times; i++)
{
var result = delMethod(TextValue, new object[] { });
}
stopWatch.Stop();
Console.WriteLine("Delegate took: {0}ms", stopWatch.ElapsedMilliseconds);
}
public override void HandleMessage(object instance, Message msg)
{
switch (msg)
{
case SubscribeToEventCommand sec:
using (_locker.Lock())
{
var eventInfo = instance.GetType().GetEvent(sec.EventName);
var del = DelegateFactory.Create(eventInfo, EventHandler);
_events[sec.EventName].Add(del);
eventInfo.AddEventHandler(instance, del);
}
break;
case UnsubscribeFromEventCommand uec:
using (_locker.Lock())
{
var eventInfo = instance.GetType().GetEvent(uec.EventName);
var delegates = _events[uec.EventName];
if (delegates.Count > 0)
{
var del = delegates[0];
delegates.Remove(del);
eventInfo.RemoveEventHandler(instance, del);
}
}
break;
case EventInvokeCommand eic:
List <Delegate> invokeList;
using (_locker.Lock())
invokeList = _events[eic.EventName].ToList();
invokeList.ForEach(it => it.DynamicInvoke(eic.Arguments));
break;
default:
Successor?.HandleMessage(instance, msg);
break;
}
}
public void String_test_with_delegate()
{
var stopWatch = new Stopwatch();
stopWatch.Start();
#if NETCORE
var methodInfo = typeof(string).GetTypeInfo().GetDeclaredMethods("ToUpper").First(m => m.GetParameters().Length == 0);
#else
var methodInfo = typeof(string).GetMethod("ToUpper", new Type[] { });
#endif
var delMethod = DelegateFactory.Create(methodInfo);
for (var i = 0; i < Times; i++)
{
delMethod(TextValue, new object[] { });
}
stopWatch.Stop();
Console.WriteLine("Delegate took: {0}ms", stopWatch.ElapsedMilliseconds);
}
/// <summary>
/// Scans the given type storing maps to fields and properties to save on reflection at runtime.
/// </summary>
/// <param name="t"></param>
public void InitType(Type t)
{
if (t.IsSimpleType())
{
return;
}
if (typeof(IEnumerable).IsAssignableFrom(t))
{
if (t.IsArray)
{
typesToCreateForArrays[t] = typeof(List <>).MakeGenericType(t.GetElementType());
}
foreach (Type g in t.GetGenericArguments())
{
InitType(g);
}
//Handle dictionaries - initalize relevant KeyValuePair<T,K> types.
foreach (Type interfaceType in t.GetInterfaces())
{
Type[] arr = interfaceType.GetGenericArguments();
if (arr.Length == 1)
{
if (typeof(IEnumerable <>).MakeGenericType(arr[0]).IsAssignableFrom(t))
{
InitType(arr[0]);
}
}
}
return;
}
var isKeyValuePair = false;
var args = t.GetGenericArguments();
if (args.Length == 2)
{
isKeyValuePair = (typeof(KeyValuePair <,>).MakeGenericType(args) == t);
}
if (args.Length == 1 && args[0].IsValueType)
{
if (typeof(Nullable <>).MakeGenericType(args) == t)
{
InitType(args[0]);
return;
}
}
//already in the process of initializing this type (prevents infinite recursion).
if (typesBeingInitialized.Contains(t))
{
return;
}
typesBeingInitialized.Add(t);
var props = GetAllPropertiesForType(t, isKeyValuePair);
typeToProperties[t] = props;
var fields = GetAllFieldsForType(t);
typeToFields[t] = fields;
foreach (var p in props)
{
propertyInfoToLateBoundProperty[p] = DelegateFactory.Create(p);
if (!isKeyValuePair)
{
propertyInfoToLateBoundPropertySet[p] = DelegateFactory.CreateSet(p);
}
InitType(p.PropertyType);
}
foreach (var f in fields)
{
fieldInfoToLateBoundField[f] = DelegateFactory.Create(f);
if (!isKeyValuePair)
{
fieldInfoToLateBoundFieldSet[f] = DelegateFactory.CreateSet(f);
}
InitType(f.FieldType);
}
}
/// <summary>
/// Scans the given type storing maps to fields and properties to save on reflection at runtime.
/// </summary>
/// <param name="t"></param>
public void InitType(Type t)
{
logger.Debug("Initializing type: " + t.AssemblyQualifiedName);
if (t.IsSimpleType())
{
return;
}
if (typeof(IEnumerable).IsAssignableFrom(t))
{
if (t.IsArray)
{
typesToCreateForArrays[t] = typeof(List <>).MakeGenericType(t.GetElementType());
}
foreach (Type g in t.GetGenericArguments())
{
InitType(g);
}
//Handle dictionaries - initalize relevant KeyValuePair<T,K> types.
foreach (Type interfaceType in t.GetInterfaces())
{
Type[] arr = interfaceType.GetGenericArguments();
if (arr.Length == 1)
{
if (typeof(IEnumerable <>).MakeGenericType(arr[0]).IsAssignableFrom(t))
{
InitType(arr[0]);
}
}
}
if (t.IsGenericType && t.IsInterface) //handle IEnumerable<Something>
{
var g = t.GetGenericArguments();
var e = typeof(IEnumerable <>).MakeGenericType(g);
if (e.IsAssignableFrom(t))
{
typesToCreateForEnumerables[t] = typeof(List <>).MakeGenericType(g);
}
}
#if !NET35
if (t.IsGenericType && t.GetGenericArguments().Length == 1)
{
Type setType = typeof(ISet <>).MakeGenericType(t.GetGenericArguments());
if (setType.IsAssignableFrom(t)) //handle ISet<Something>
{
var g = t.GetGenericArguments();
var e = typeof(IEnumerable <>).MakeGenericType(g);
if (e.IsAssignableFrom(t))
{
typesToCreateForEnumerables[t] = typeof(List <>).MakeGenericType(g);
}
}
}
#endif
return;
}
var isKeyValuePair = false;
var args = t.GetGenericArguments();
if (args.Length == 2)
{
isKeyValuePair = (typeof(KeyValuePair <,>).MakeGenericType(args) == t);
}
if (args.Length == 1 && args[0].IsValueType)
{
if (args[0].GetGenericArguments().Any() || typeof(Nullable <>).MakeGenericType(args) == t)
{
InitType(args[0]);
if (!args[0].GetGenericArguments().Any())
{
return;
}
}
}
//already in the process of initializing this type (prevents infinite recursion).
if (typesBeingInitialized.Contains(t))
{
return;
}
typesBeingInitialized.Add(t);
var props = GetAllPropertiesForType(t, isKeyValuePair);
typeToProperties[t] = props;
var fields = GetAllFieldsForType(t);
typeToFields[t] = fields;
foreach (var p in props)
{
logger.Debug("Handling property: " + p.Name);
propertyInfoToLateBoundProperty[p] = DelegateFactory.Create(p);
if (!isKeyValuePair)
{
propertyInfoToLateBoundPropertySet[p] = DelegateFactory.CreateSet(p);
}
InitType(p.PropertyType);
}
foreach (var f in fields)
{
logger.Debug("Handling field: " + f.Name);
fieldInfoToLateBoundField[f] = DelegateFactory.Create(f);
if (!isKeyValuePair)
{
fieldInfoToLateBoundFieldSet[f] = DelegateFactory.CreateSet(f);
}
InitType(f.FieldType);
}
}
public void TestDelegateFactory()
{
TestObject obj = new TestObject();
IFactory<TestObject> factory = new DelegateFactory<TestObject>(() => obj);
Assert.IsTrue(ReferenceEquals(factory.Create(), factory.Create()));
factory = new DelegateFactory<TestObject>(() => new TestObject());
Assert.IsFalse(ReferenceEquals(factory.Create(), factory.Create()));
}