public void pinAll(Object[] oids) {
pinAll(Arrays.asList(oids));
}
public void unpin(Object oid) {
FixableCacheEntry ce = (FixableCacheEntry) cacheManager.lookup(oid);
if (ce != null && ce.getCeFixCount() == 0) {
try {
cacheManager.unfix(ce);
} catch (CacheException e) {
logger.log(BasicLevel.WARN, "Impossible to pin the persistent class: ", e);
}