core/src/main/java/com/orientechnologies/common/collection/closabledictionary/OClosableLinkedContainer.java
private void emptyWriteBuffer() {
    Runnable task = stateBuffer.poll();
    while (task != null) {
      task.run();
      task = stateBuffer.poll();
    }
  }
private void emptyWriteBuffer() {
    Runnable task = stateBuffer.poll();
    while (task != null) {
      task.run();
      task = stateBuffer.poll();
    }
  }
Read content of write buffer and adds/removes LRU entries to update internal statistic.
Method has to be wrapped by LRU lock.