public final void insertOp(Operation op) {
    ArrayList<Operation> tmp = new ArrayList<Operation>(inputQueue.size() + 1);
    tmp.add(op);
    inputQueue.drainTo(tmp);
    inputQueue.addAll(tmp);
  }
Represents a node with the memcached cluster, along with buffering and
operation queues.
src/main/java/net/spy/memcached/protocol/TCPMemcachedNodeImpl.java