ensure_queue: Make sure that a queue exists

Description Usage Arguments Value See Also

View source: R/queue.R

Description

If it does not exist, then the queue will be created.

Usage

1
ensure_queue(name, db = default_db(), crash_strategy = "fail")

Arguments

name

Name of the queue. If not specified or NULL, a name is generated randomly.

db

Path to the database file.

crash_strategy

What to do with crashed jobs. The default is that they will "fail" (just like a negative acknowledgement). Another possibility is "requeue", in which case they are requeued immediately, potentially even multiple times. Alternatively it can be a number, in which case they are requeued at most the specified number of times.

Value

The queue object.

See Also

liteq for examples

Other liteq queues: create_queue, delete_queue, list_queues


r-lib/liteq documentation built on Dec. 18, 2017, 9:12 a.m.