static object CreateProxy(Type entityType, ClassDefineMetadata metadata)
{
Func <IInterceptor[], object> func;
if (!(factoryCache.TryGetValue(entityType, out func)))
{
lock (factoryCache)
{
if (!(factoryCache.TryGetValue(entityType, out func)))
{
ProxyGenerationOptions options = new ProxyGenerationOptions(new InnerHook(metadata));
var proxyType = generator.ProxyBuilder.CreateClassProxyType(entityType, new Type[0], options);
var construncor = proxyType.GetConstructor(new Type[] { typeof(IInterceptor[]) });
var interceptors = Expression.Parameter(typeof(IInterceptor[]), "interceptors");
var main = Expression.Convert(Expression.New(construncor, interceptors), typeof(object));
func = Expression.Lambda <Func <IInterceptor[], object> >(main, interceptors).Compile();
factoryCache[entityType] = func;
}
}
}
var ei = new EntityInterceptor(metadata);
var proxy = func(new IInterceptor[] { ei });
ei.Inited = true;
return(proxy);
}
public object Proxy(object entity, Func <object, object> subProxyHandler)
{
var metadata = RepositoryFramework.GetDefineMetadata(entity.GetType());
var proxy = entity;
var proxyed = false;
if (!ProxyProvider.IsProxy(entity) && metadata.ClassJoinDefines.Count > 0)
{
proxy = ProxyProvider.CreateEntityProxy(metadata.EntityType);
metadata.MergeData(entity, proxy);
proxyed = true;
}
var pa = PropertyAccessorFactory.GetPropertyAccess(metadata.EntityType);
foreach (var property in metadata.CascadeProperties)
{
if (EntityInterceptor.PropertyInited(entity, property.Name))
{
var value = pa.GetGetter(property.Name).Get(entity);
if (value != null)
{
var valueProxy = subProxyHandler(value);
if (valueProxy != value || proxyed)
{
pa.GetSetter(property.Name).Set(proxy, valueProxy);
}
}
}
}
return(proxy);
}
public static bool PropertyInited(object entity, string member)
{
var proxy = entity as IProxyTargetAccessor;
if (proxy != null)
{
EntityInterceptor ei = (EntityInterceptor)proxy.GetInterceptors().FirstOrDefault(o => o.GetType() == typeof(EntityInterceptor));
if (ei != null)
{
return(ei.PropertyInited(member));
}
}
return(true);
}