public static INakedObjectAdapter GetTypedCollection(this INakedObjectsFramework framework, ISpecification featureSpec, IEnumerable collectionValue)
{
IObjectSpec collectionitemSpec = framework.MetamodelManager.GetSpecification(featureSpec.GetFacet <IElementTypeFacet>().ValueSpec);
string[] rawCollection = collectionValue.Cast <string>().ToArray();
object[] objCollection;
Type instanceType = TypeUtils.GetType(collectionitemSpec.FullName);
var typedCollection = (IList)Activator.CreateInstance(typeof(List <>).MakeGenericType(instanceType));
if (collectionitemSpec.IsParseable)
{
objCollection = rawCollection.Select(s => string.IsNullOrEmpty(s) ? null : collectionitemSpec.GetFacet <IParseableFacet>().ParseTextEntry(s, framework.NakedObjectManager).Object).ToArray();
}
else
{
// need to check if collection is actually a collection memento
if (rawCollection.Count() == 1)
{
INakedObjectAdapter firstObj = framework.GetNakedObjectFromId(rawCollection.First());
if (firstObj != null && firstObj.Oid is ICollectionMemento)
{
return(firstObj);
}
}
objCollection = rawCollection.Select(s => framework.GetNakedObjectFromId(s).GetDomainObject()).ToArray();
}
objCollection.Where(o => o != null).ForEach(o => typedCollection.Add(o));
return(framework.NakedObjectManager.CreateAdapter(typedCollection.AsQueryable(), null, null));
}
private static INakedObject SafeGetNakedObjectFromId(string id, INakedObjectsFramework framework)
{
try {
return(framework.GetNakedObjectFromId(id));
}
catch (Exception) {
// create a NakedObject just to carry the 'Destroyed' state
var no = framework.GetNakedObject(new object());
no.ResolveState.Handle(Events.StartResolvingEvent);
no.ResolveState.Handle(Events.DestroyEvent);
return(no);
}
}
public INakedObject GetNakedObject(INakedObjectsFramework framework)
{
if (nakedObject == null)
{
nakedObject = framework.GetNakedObjectFromId(Id);
}
if (nakedObject == null)
{
throw new ObjectNotFoundException();
}
return(nakedObject);
}
public static object GetObjectFromId(this INakedObjectsFramework framework, string encodedId)
{
return(framework.GetNakedObjectFromId(encodedId).Object);
}
private static IEnumerable <INakedObject> GetAndTidyCachedNakedObjectsOfType(this HttpSessionStateBase session, INakedObjectsFramework framework, ITypeSpec spec, ObjectFlag flag)
{
session.ClearDestroyedObjectsOfType(framework, spec, flag);
return(session.GetCache(flag).Where(cm => SameSpec(cm.Value.Spec, spec, framework)).OrderBy(kvp => kvp.Value.Added).Select(kvp => framework.GetNakedObjectFromId(kvp.Key)));
}
// This is dangerous - retrieves all cached objects from the database - use with care !
private static IEnumerable <INakedObject> GetAndTidyCachedNakedObjects(this HttpSessionStateBase session, INakedObjectsFramework framework, ObjectFlag flag)
{
session.ClearDestroyedObjects(framework, flag);
return(session.GetCache(flag).OrderBy(kvp => kvp.Value.Added).Select(kvp => framework.GetNakedObjectFromId(kvp.Key)));
}
