qool
a leveldb backed Queue
- durable
- strict FIFO ordering
- dequeus with timeouts (called lease())
- embeddable
Example
Simple
const Qool = const level = const db = const queue = Qool queuequeue queuequeue
notes
Enqueue and Dequeue are batched under the hood, so callbacks are invoked synchronously. This means that you can only include a last callback and forgo all the others for Enqueues and Dequeues that happen in the same tick
Lease
const Qool = const level = const db = const queue = Qool queuequeue queue // TBD// lease with a non default timeout//queue.leaseWithTimeout(1000 * 2, (err, leaseKey, value) => {})
Peek
const Qool = const level = const db = const queue = Qool queuequeue queue queue
Some ramblings on internal design are here
license
TODO
- enhance tests
- implement length property
- should we have a version of dequeue that "waits" if the queue is empty
- expiry for enqueued items
MIT © yaniv kessler