/**
* Removes the entry from the entry queue.
*
* @param shuffle indicates whether we are just shuffling the queue (in which case, the entry
* table is not modified).
*/
protected void privateRemoveEntry(LRUCacheEntry entry, boolean shuffle) {
LRUCacheEntry previous, next;
previous = entry._fPrevious;
next = entry._fNext;
if (!shuffle) {
fEntryTable.remove(entry._fKey);
fCurrentSpace -= entry._fSpace;
privateNotifyDeletionFromCache(entry);
}
/* if this was the first entry */
if (previous == null) {
fEntryQueue = next;
} else {
previous._fNext = next;
}
/* if this was the last entry */
if (next == null) {
fEntryQueueTail = previous;
} else {
next._fPrevious = previous;
}
}
/**
* Adds the given entry from the receiver.
*
* @param shuffle Indicates whether we are just shuffling the queue (in which case, the entry
* table is not modified).
*/
protected void privateAddEntry(LRUCacheEntry entry, boolean shuffle) {
if (!shuffle) {
fEntryTable.put(entry._fKey, entry);
fCurrentSpace += entry._fSpace;
}
entry._fTimestamp = fTimestampCounter++;
entry._fNext = this.fEntryQueue;
entry._fPrevious = null;
if (fEntryQueue == null) {
/* this is the first and last entry */
fEntryQueueTail = entry;
} else {
fEntryQueue._fPrevious = entry;
}
fEntryQueue = entry;
}
