private void CollectEventsAspectDefinitions(Type aspectDeclaringType, EventInfo contract, EventInfo target)
{
var addMethod = contract.GetAddMethod();
var raiseMethod = contract.GetInvokeMethod();
var removeMethod = contract.GetRemoveMethod();
var raiseMethodHash = Guid.NewGuid().GetHashCode();
var eventInterceptionAspect = target.GetCustomAttributes <EventInterceptionAspectAttribute>();
eventInterceptionAspect.ForEach(aspectAttribute => {
var aspectDefinition = new EventInterceptionAspectDefinition(aspectAttribute, aspectAttribute.AspectType, contract, target);
var bindingTypeReflectorBuilder = new EventBindingTypeReflectorBuilder(aspectDefinition);
var addEventAspect = new AddEventFragmentInterceptionAspect {
AspectType = aspectAttribute.AspectType,
AspectPriority = aspectAttribute.AspectPriority,
LifetimeStrategy = aspectAttribute.LifetimeStrategy
};
var raiseEventAspect = new RaiseEventFragmentInterceptionAspect {
AspectType = aspectAttribute.AspectType,
AspectPriority = aspectAttribute.AspectPriority,
LifetimeStrategy = aspectAttribute.LifetimeStrategy
};
var removeEventAspect = new RemoveEventFragmentInterceptionAspect {
AspectType = aspectAttribute.AspectType,
AspectPriority = aspectAttribute.AspectPriority,
LifetimeStrategy = aspectAttribute.LifetimeStrategy
};
AddOrUpdate(contract, target, addMethod, new[] { new AddEventFragmentInterceptionAspectDefinition(bindingTypeReflectorBuilder, addEventAspect, aspectDeclaringType, contract, target) });
AddOrUpdate(raiseMethodHash, contract, target, raiseMethod, new[] { new RaiseEventFragmentInterceptionAspectDefinition(bindingTypeReflectorBuilder, raiseEventAspect, aspectDeclaringType, contract, target) });
AddOrUpdate(contract, target, removeMethod, new[] { new RemoveEventFragmentInterceptionAspectDefinition(bindingTypeReflectorBuilder, removeEventAspect, aspectDeclaringType, contract, target) });
});
}
public Func <IAspectDefinition, IAspectExpressionBuilder> Visit(RemoveEventFragmentInterceptionAspect aspect)
{
return(aspectDefinition => {
Func <IAspectExpression, IAspectExpression> ctor = null;
var eventAspectDefinition = (IFullEventAspectDefinition)aspectDefinition;
if (lastAspect.Top)
{
ctor = expression => {
var eventBuilder = eventAspectDefinition.EventBuilder;
eventBuilder.SetRemoveExpression(expression);
return new TopRemoveEventFragmentInterceptionAspectExpression(expression, eventAspectDefinition, eventBuilder);
};
lastAspect = new Aspect();
}
else
{
if (lastAspect.IsInBinding)
{
ctor = expression => {
var eventBuilder = eventAspectDefinition.EventBuilder;
eventBuilder.SetRemoveExpression(expression);
return new BindingRemoveEventFragmentInterceptionAspectExpression(expression, eventAspectDefinition, eventBuilder);
};
}
}
lastAspect.IsInBinding = true;
topAspectInScopeDefinition = aspectDefinition;
return new AspectNodeExpressionBuilder(ctor);
});
}
public Func<IAspectDefinition, IAspectExpressionBuilder> Visit(RemoveEventFragmentInterceptionAspect aspect)
{
return aspectDefinition => {
Func<IAspectExpression, IAspectExpression> ctor = null;
var eventAspectDefinition = (IFullEventAspectDefinition)aspectDefinition;
if (lastAspect.Top) {
ctor = expression => {
var eventBuilder = eventAspectDefinition.EventBuilder;
eventBuilder.SetRemoveExpression(expression);
return new TopRemoveEventFragmentInterceptionAspectExpression(expression, eventAspectDefinition, eventBuilder);
};
lastAspect = new Aspect();
}
else {
if (lastAspect.IsInBinding) {
ctor = expression => {
var eventBuilder = eventAspectDefinition.EventBuilder;
eventBuilder.SetRemoveExpression(expression);
return new BindingRemoveEventFragmentInterceptionAspectExpression(expression, eventAspectDefinition, eventBuilder);
};
}
}
lastAspect.IsInBinding = true;
topAspectInScopeDefinition = aspectDefinition;
return new AspectNodeExpressionBuilder(ctor);
};
}
internal RemoveEventFragmentInterceptionAspectDefinition(IEventExpressionBuilder eventBuilder, RemoveEventFragmentInterceptionAspect aspect, Type aspectDeclaringType, EventInfo @event, MemberInfo target)
: base(eventBuilder, aspect, aspectDeclaringType, @event, target)
{
Aspect = this.aspect = aspect;
}
internal RemoveEventFragmentInterceptionAspectDefinition(IEventExpressionBuilder eventBuilder, RemoveEventFragmentInterceptionAspect aspect, Type aspectDeclaringType, EventInfo @event, MemberInfo target)
: base(eventBuilder, aspect, aspectDeclaringType, @event, target)
{
Aspect = this.aspect = aspect;
}
