public void Initialize(IObjectContainer container, IEnumerable <Type> types)
{
BasicTypes.CommandTypes.Values.ForEach(commandType => {
var commandHandlers =
container.ResolveAll(typeof(ICommandHandler <>).MakeGenericType(commandType)).ToList();
switch (commandHandlers.Count)
{
case 0:
break;
case 1:
_commandHandlerDescriptors[commandType] = new HandlerDescriptor(commandHandlers[0], handlerType => handlerType.GetMethod("Handle", new[] { typeof(ICommandContext), commandType }), HandlerStyle.Special);
break;
default:
throw new SystemException(string.Format(
"Found more than one handler for this type('{0}') with ICommandHandler<>.",
commandType.FullName));
}
if (commandHandlers.Count == 0)
{
Initialize(container, commandType);
}
var handlerDescriptor = GetHandlerDescriptors(commandType).First();
var callHandlers = HandlerAttributeHelper.GetHandlersFor(handlerDescriptor.Method, container);
_pipelineManager.InitializePipeline(handlerDescriptor.Method, callHandlers);
});
}
public void Initialize(IObjectContainer container, IEnumerable <Type> types)
{
var contactTypeMap = new Dictionary <Type, Type>();
types.Where(type => type.IsClass && !type.IsAbstract)
.ForEach(type => {
type.GetInterfaces().Where(interfaceType => interfaceType.IsGenericType &&
interfaceType.GetGenericTypeDefinition() == typeof(IQueryHandler <,>))
.ForEach(interfaceType => {
var queryType = interfaceType.GetGenericArguments().First();
if (contactTypeMap.ContainsKey(queryType))
{
var errorMessage = string.Format(
"There are have duplicate IQueryHandler<> interface type for {0}.",
queryType.FullName);
throw new SystemException(errorMessage);
}
contactTypeMap[queryType] = interfaceType;
});
});
BasicTypes.QueryTypes.Values.ForEach(queryType => {
Type contactType;
if (!contactTypeMap.TryGetValue(queryType, out contactType))
{
var errorMessage = string.Format("The query handler of this type('{0}') is not found.",
queryType.FullName);
throw new SystemException(errorMessage);
}
var handlers = container.ResolveAll(contactType).ToList();
switch (handlers.Count)
{
case 0:
var errorMessage = string.Format("The query handler for {0} is not found.",
contactType.GetFriendlyTypeName());
throw new SystemException(errorMessage);
case 1:
var handlerDescriptor = new HandlerDescriptor(handlers[0], handlerType => handlerType.GetMethod("Handle", new[] { queryType }), HandlerStyle.Special);
_handlerDescriptors[queryType] = handlerDescriptor;
var callHandlers = HandlerAttributeHelper.GetHandlersFor(handlerDescriptor.Method, container);
_pipelineManager.InitializePipeline(handlerDescriptor.Method, callHandlers);
break;
default:
errorMessage = string.Format(
"Found more than one handler for '{0}' with IQueryHandler<>.",
queryType.FullName);
throw new SystemException(errorMessage);
}
});
}
