private long _gen; // copied for perfs
internal Snapshot(SnapDictionary <TKey, TValue> store, GenerationReference generationReference)
{
_store = store;
_generationReference = generationReference;
_gen = generationReference.GenerationObject.Gen;
_generationReference.GenerationObject.Reference();
}
public GenerationReference GetReference()
{
// not thread-safe but always invoked from within a lock
var generationReference = (GenerationReference)WeakReference.Target;
if (generationReference == null)
{
WeakReference.Target = generationReference = new GenerationReference(this);
}
return(generationReference);
}
