public ExpressionResultCacheEntryLongArrayAndObj GetEnumerationMethodLastValue(object node)
{
SoftReference<ExpressionResultCacheEntryLongArrayAndObj> cacheRef = enumMethodCache.Get(node);
if (cacheRef == null) {
return null;
}
ExpressionResultCacheEntryLongArrayAndObj entry = cacheRef.Get();
if (entry == null) {
return null;
}
long[] required = entry.Reference;
if (required.Length != lastValueCacheStack.Count) {
return null;
}
IEnumerator<long> prov = lastValueCacheStack.GetEnumerator();
for (int i = 0; i < lastValueCacheStack.Count; i++) {
prov.MoveNext();
if (!Equals(required[i], prov.Current)) {
return null;
}
}
return entry;
}
public void SaveEnumerationMethodLastValue(
object node,
object result)
{
var snapshot = lastValueCacheStack.ToArray();
var entry = new ExpressionResultCacheEntryLongArrayAndObj(snapshot, result);
enumMethodCache.Put(node, new SoftReference<ExpressionResultCacheEntryLongArrayAndObj>(entry));
}