public override object GetFieldInterceptionProxy(object instanceToWrap)
{
var cacheEntry = new ProxyCacheEntry(PersistentClass, System.Type.EmptyTypes);
var proxyActivator = FieldInterceptorCache.GetOrAdd(cacheEntry, CreateFieldInterceptionProxyActivator);
return(proxyActivator(
new NHibernateProxyFactoryInfo(EntityName, PersistentClass, Interfaces, GetIdentifierMethod, SetIdentifierMethod, ComponentIdType)));
}
public override INHibernateProxy GetProxy(object id, ISessionImplementor session)
{
try
{
var cacheEntry = new ProxyCacheEntry(IsClassProxy ? PersistentClass : typeof(object), Interfaces);
var proxyActivator = Cache.GetOrAdd(cacheEntry, pke => CreateProxyActivator(pke));
return(proxyActivator(
new LiteLazyInitializer(EntityName, id, session, PersistentClass),
new NHibernateProxyFactoryInfo(EntityName, PersistentClass, Interfaces, GetIdentifierMethod, SetIdentifierMethod, ComponentIdType)));
}
catch (Exception ex)
{
Log.Error(ex, "Creating a proxy instance failed");
throw new HibernateException("Creating a proxy instance failed", ex);
}
}
public override void PostInstantiate(
string entityName,
System.Type persistentClass,
ISet <System.Type> interfaces,
MethodInfo getIdentifierMethod,
MethodInfo setIdentifierMethod,
IAbstractComponentType componentIdType)
{
base.PostInstantiate(entityName, persistentClass, interfaces, getIdentifierMethod, setIdentifierMethod, componentIdType);
_proxyFactoryInfo = new NHibernateProxyFactoryInfo(
EntityName,
PersistentClass,
Interfaces,
GetIdentifierMethod,
SetIdentifierMethod,
ComponentIdType);
_cacheEntry = new ProxyCacheEntry(IsClassProxy ? PersistentClass : typeof(object), Interfaces);
}
private Func <ILazyInitializer, NHibernateProxyFactoryInfo, INHibernateProxy> CreateProxyActivator(ProxyCacheEntry pke)
{
var proxyBuilder = new NHibernateProxyBuilder(GetIdentifierMethod, SetIdentifierMethod, ComponentIdType, OverridesEquals);
var type = proxyBuilder.CreateProxyType(pke.BaseType, pke.Interfaces);
var ctor = type.GetConstructor(new[] { typeof(ILazyInitializer), typeof(NHibernateProxyFactoryInfo) });
var li = Expression.Parameter(typeof(ILazyInitializer));
var pf = Expression.Parameter(typeof(NHibernateProxyFactoryInfo));
return(Expression.Lambda <Func <ILazyInitializer, NHibernateProxyFactoryInfo, INHibernateProxy> >(Expression.New(ctor, li, pf), li, pf).Compile());
}
private Func <NHibernateProxyFactoryInfo, IFieldInterceptorAccessor> CreateFieldInterceptionProxyActivator(ProxyCacheEntry pke)
{
var type = FieldInterceptorProxyBuilder.CreateProxyType(pke.BaseType);
var ctor = type.GetConstructor(new[] { typeof(NHibernateProxyFactoryInfo) });
var pf = Expression.Parameter(typeof(NHibernateProxyFactoryInfo));
return(Expression.Lambda <Func <NHibernateProxyFactoryInfo, IFieldInterceptorAccessor> >(Expression.New(ctor, pf), pf).Compile());
}