@GuardedBy("Segment.this") <K, V> void copyExpirableEntry(ReferenceEntry<K, V> original, ReferenceEntry<K, V> newEntry) { // TODO(fry): when we link values instead of entries this method can go // away, as can connectExpirables, nullifyExpirable. newEntry.setExpirationTime(original.getExpirationTime()); connectExpirables(original.getPreviousExpirable(), newEntry); connectExpirables(newEntry, original.getNextExpirable()); nullifyExpirable(original); }
@GuardedBy("Segment.this") <K, V> void copyExpirableEntry(ReferenceEntry<K, V> original, ReferenceEntry<K, V> newEntry) { // TODO(fry): when we link values instead of entries this method can go // away, as can connectExpirables, nullifyExpirable. newEntry.setExpirationTime(original.getExpirationTime()); connectExpirables(original.getPreviousExpirable(), newEntry); connectExpirables(newEntry, original.getNextExpirable()); nullifyExpirable(original); }
@Override public ReferenceEntry<K, V> poll() { ReferenceEntry<K, V> next = head.getNextExpirable(); if (next == head) { return null; } remove(next); return next; }
@Override protected ReferenceEntry<K, V> computeNext(ReferenceEntry<K, V> previous) { ReferenceEntry<K, V> next = previous.getNextExpirable(); return (next == head) ? null : next; } };
@Override public ReferenceEntry<K, V> poll() { ReferenceEntry<K, V> next = head.getNextExpirable(); if (next == head) { return null; } remove(next); return next; }
@Override public ReferenceEntry<K, V> peek() { ReferenceEntry<K, V> next = head.getNextExpirable(); return (next == head) ? null : next; }
@Override public int size() { int size = 0; for (ReferenceEntry<K, V> e = head.getNextExpirable(); e != head; e = e.getNextExpirable()) { size++; } return size; }
@Override public boolean offer(ReferenceEntry<K, V> entry) { // unlink connectExpirables(entry.getPreviousExpirable(), entry.getNextExpirable()); // add to tail connectExpirables(head.getPreviousExpirable(), entry); connectExpirables(entry, head); return true; }
@Override @SuppressWarnings("unchecked") public boolean contains(Object o) { ReferenceEntry<K, V> e = (ReferenceEntry) o; return e.getNextExpirable() != NullEntry.INSTANCE; }
@Override public ReferenceEntry<K, V> poll() { ReferenceEntry<K, V> next = head.getNextExpirable(); if (next == head) { return null; } remove(next); return next; }
@Override public void clear() { ReferenceEntry<K, V> e = head.getNextExpirable(); while (e != head) { ReferenceEntry<K, V> next = e.getNextExpirable(); nullifyExpirable(e); e = next; } head.setNextExpirable(head); head.setPreviousExpirable(head); }
@Override public boolean offer(ReferenceEntry<K, V> entry) { // unlink connectExpirables(entry.getPreviousExpirable(), entry.getNextExpirable()); // add to tail connectExpirables(head.getPreviousExpirable(), entry); connectExpirables(entry, head); return true; }
@Override protected ReferenceEntry<K, V> computeNext(ReferenceEntry<K, V> previous) { ReferenceEntry<K, V> next = previous.getNextExpirable(); return (next == head) ? null : next; } };
@Override public void clear() { ReferenceEntry<K, V> e = head.getNextExpirable(); while (e != head) { ReferenceEntry<K, V> next = e.getNextExpirable(); nullifyExpirable(e); e = next; } head.setNextExpirable(head); head.setPreviousExpirable(head); }
@Override protected ReferenceEntry<K, V> computeNext(ReferenceEntry<K, V> previous) { ReferenceEntry<K, V> next = previous.getNextExpirable(); return (next == head) ? null : next; } };
@Override public void clear() { ReferenceEntry<K, V> e = head.getNextExpirable(); while (e != head) { ReferenceEntry<K, V> next = e.getNextExpirable(); nullifyExpirable(e); e = next; } head.setNextExpirable(head); head.setPreviousExpirable(head); }
@Override public ReferenceEntry<K, V> peek() { ReferenceEntry<K, V> next = head.getNextExpirable(); return (next == head) ? null : next; }
@Override @SuppressWarnings("unchecked") public boolean remove(Object o) { ReferenceEntry<K, V> e = (ReferenceEntry) o; ReferenceEntry<K, V> previous = e.getPreviousExpirable(); ReferenceEntry<K, V> next = e.getNextExpirable(); connectExpirables(previous, next); nullifyExpirable(e); return next != NullEntry.INSTANCE; }
@Override public ReferenceEntry<K, V> poll() { ReferenceEntry<K, V> next = head.getNextExpirable(); if (next == head) { return null; } remove(next); return next; }
@Override public int size() { int size = 0; for (ReferenceEntry<K, V> e = head.getNextExpirable(); e != head; e = e.getNextExpirable()) { size++; } return size; }