internal static Action <BenchmarkContext> CreateDelegateWithContext(object target, MethodInfo invocationMethod)
{
// As the base method DOES accept a BenchmarkContext as a parameter, we test to see if any other method parameters are required.
if (invocationMethod.GetParameters().Length == 1)
{
// If no additional parameters are required, we create a simple Delegate to the method, that already matches the signature
// Action<BenchmarkContext>
var simpleDelegate = (Action <BenchmarkContext>)invocationMethod.CreateDelegate(typeof(Action <BenchmarkContext>), target);
return(simpleDelegate);
}
// If additional parameters are required, we use a DynamicMethod to build a Delegate capable of handling 1-n parameters, of any type.
var paramaterisedDelegate = DynamicMethodDelegateFactory.CreateMethodCaller(invocationMethod);
// As we require a known Action signature, we wrap the delegate in one that specifies Action<BenchmarkContext>
Action <BenchmarkContext> wrappedParamaterisedDelegate = context => paramaterisedDelegate(target, _testParamaters);
return(wrappedParamaterisedDelegate);
}
internal static Action <BenchmarkContext> CreateDelegateWithoutContext(object target, MethodInfo invocationMethod)
{
// As the base method does not accept a BenchmarkContext as a parameter, and a known Action delegate signature is
// required for the sake of performance, we test to see if any method parameters are required.
if (invocationMethod.GetParameters().Length == 0)
{
// If no parameters are required, we create a simple Delegate to the method.
var simpleDelegate = (Action)invocationMethod.CreateDelegate(typeof(Action), target);
// As we require a knownAction signature, we wrap the simple delegate in one that specifies Action<BenchmarkContext>
Action <BenchmarkContext> wrappedSimpleDelegate = context => simpleDelegate();
return(wrappedSimpleDelegate);
}
// If parameters are required, we use a DynamicMethod to build a Delegate capable of handling 1-n parameters, of any type.
var paramaterisedDelegate = DynamicMethodDelegateFactory.CreateMethodCaller(invocationMethod);
// Again, as we require a known Action signature, we wrap the delegate in one that specifies Action<BenchmarkContext>
Action <BenchmarkContext> wrappedParamaterisedDelegate = context => paramaterisedDelegate(target, _testParamaters);
return(wrappedParamaterisedDelegate);
}