private Type getTargetType(WorkContext work, string typeName)
{
const string PORTAL_PREFIX = @"!#PORTAL\";
if (typeName.IsNullOrWhiteSpace())
{
return(null);
}
Type result = null;
string key;
if (work.Portal == null)
{
key = typeName;
}
else
{
key = PORTAL_PREFIX + work.Portal.Name + typeName;
}
//1 Lookup in cache
if (m_Lookup.TryGetValue(key, out result))
{
return(result);
}
//2 Lookup in locations
result = lookupTargetInLocations(work, typeName);
if (result != null)
{
var lookup = new TypeLookup(m_Lookup); //thread safe copy
lookup[key] = result; //other thread may have added already
m_Lookup = lookup; //atomic
return(result);
}
return(null); //404 error - type not found
}
private Type getTargetType(string typeName)
{
if (typeName.IsNullOrWhiteSpace())
{
return(null);
}
Type result = null;
string key = typeName;
//1 Lookup in cache
if (m_Lookup.TryGetValue(key, out result))
{
return(result);
}
//2 Lookup in locations
result = lookupTargetInLocations(key);
if (result != null)
{
var lookup = new TypeLookup(m_Lookup);//thread safe copy
//dbl check as other thread may have added to m_Lookup where this istance is cloned from
Type existing;
if (lookup.TryGetValue(key, out existing))
{
return(existing);
}
lookup.Add(key, result);
m_Lookup = lookup;//atomic
return(result);
}
return(null); //404 error - type not found
}
public TypeLookup(TypeLookup clone) : base(clone, StringComparer.Ordinal)
{
}
public TypeLookup(TypeLookup clone) : base(clone)
{
}