private static DynamicMethodHandle GetCachedMethod(MethodInfo info)
{
var key = new MethodCacheKey(info);
DynamicMethodHandle mh = null;
if (!_methodCache.TryGetValue(key, out mh))
{
lock (_methodCache)
{
if (!_methodCache.TryGetValue(key, out mh))
{
mh = new DynamicMethodHandle(info);
_methodCache.Add(key, mh);
}
}
}
return(mh);
}
private static DynamicMethodHandle GetCachedMethod(Type objType, string method, params Type[] parameters)
{
var key = new MethodCacheKey(objType, method, parameters);
DynamicMethodHandle mh = null;
if (!_methodCache.TryGetValue(key, out mh))
{
MethodInfo info = GetMethod(objType, method, parameters);
if (info != null)
{
lock (_methodCache)
{
if (!_methodCache.TryGetValue(key, out mh))
{
mh = new DynamicMethodHandle(info);
_methodCache.Add(key, mh);
}
}
}
}
return(mh);
}
internal static DynamicMemberHandle GetCachedProperty(Type objectType, string propertyName)
{
var key = new MethodCacheKey(objectType, propertyName, new Type[] { typeof(object) });
DynamicMemberHandle mh = null;
if (!_memberCache.TryGetValue(key, out mh))
{
lock (_memberCache)
{
if (!_memberCache.TryGetValue(key, out mh))
{
PropertyInfo info = objectType.GetProperty(propertyName, propertyFlags);
if (info == null)
{
throw new InvalidOperationException(
string.Format("Member not found on object ({0})", propertyName));
}
mh = new DynamicMemberHandle(info);
_memberCache.Add(key, mh);
}
}
}
return(mh);
}
internal static DynamicMemberHandle GetCachedField(Type objectType, string fieldName)
{
var key = new MethodCacheKey(objectType, fieldName, new Type[] { typeof(object) });
DynamicMemberHandle mh = null;
if (!_memberCache.TryGetValue(key, out mh))
{
lock (_memberCache)
{
if (!_memberCache.TryGetValue(key, out mh))
{
FieldInfo info = objectType.GetField(fieldName, fieldFlags);
if (info == null)
{
throw new InvalidOperationException(
string.Format("Resources.MemberNotFoundException:{0}", fieldName));
}
mh = new DynamicMemberHandle(info);
_memberCache.Add(key, mh);
}
}
}
return(mh);
}
