/** Update all dirty cache objects to the underlying RecordManager. */
protected void updateCacheEntries() throws IOException {
Iterator<CacheEntry> iter = _hash.valuesIterator();
while (iter.hasNext()) {
CacheEntry entry = iter.next();
if (entry._isDirty) {
_recman.update(entry._recid, entry._obj, entry._serializer);
entry._isDirty = false;
}
}
}
/**
* Purge least recently used object from the cache
*
* @return recyclable CacheEntry
*/
protected CacheEntry purgeEntry() throws IOException {
CacheEntry entry = _first;
if (entry == null) return new CacheEntry(-1, null, null, false);
if (entry._isDirty) _recman.update(entry._recid, entry._obj, entry._serializer);
removeEntry(entry);
_hash.remove(entry._recid);
entry._obj = null;
entry._serializer = null;
entry._isDirty = false;
return entry;
}