/** Shrinks queue to maximum allowed size. */ private void shrink() { long maxSize = this.maxSize; int maxBlocks = this.maxBlocks; int cnt = queue.sizex(); for (int i = 0; i < cnt && (maxBlocks > 0 && queue.sizex() > maxBlocks || maxSize > 0 && curSize.longValue() > maxSize); i++) { GridCacheEntry<GridGgfsBlockKey, byte[]> entry = queue.poll(); if (entry == null) break; // Queue is empty. byte[] val = entry.peek(); if (val != null) changeSize(-val.length); // Change current size as we polled entry from the queue. if (!entry.evict()) { // Reorder entries which we failed to evict. entry.removeMeta(META_NODE); touch(entry); } } }
/** {@inheritDoc} */ @Override public long getCurrentSize() { return curSize.longValue(); }
/** * Change current size. * * @param delta Delta in bytes. */ private void changeSize(int delta) { if (delta != 0) curSize.add(delta); }