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--[[
Change job delay when it is in delayed set.
Input:
KEYS[1] delayed key
KEYS[2] meta key
KEYS[3] marker key
KEYS[4] events stream
ARGV[1] delay
ARGV[2] timestamp
ARGV[3] the id of the job
ARGV[4] job key
Output:
0 - OK
-1 - Missing job.
-3 - Job not in delayed set.
Events:
- delayed key.
]]
local rcall = redis.call
-- Includes
--- @include "includes/addDelayMarkerIfNeeded"
--- @include "includes/getDelayedScore"
--- @include "includes/getOrSetMaxEvents"
if rcall("EXISTS", ARGV[4]) == 1 then
local jobId = ARGV[3]
local delay = tonumber(ARGV[1])
local score, delayedTimestamp = getDelayedScore(KEYS[1], ARGV[2], delay)
local numRemovedElements = rcall("ZREM", KEYS[1], jobId)
if numRemovedElements < 1 then
return -3
end
rcall("HSET", ARGV[4], "delay", delay)
rcall("ZADD", KEYS[1], score, jobId)
local maxEvents = getOrSetMaxEvents(KEYS[2])
rcall("XADD", KEYS[4], "MAXLEN", "~", maxEvents, "*", "event", "delayed",
"jobId", jobId, "delay", delayedTimestamp)
-- mark that a delayed job is available
addDelayMarkerIfNeeded(KEYS[3], KEYS[1])
return 0
else
return -1
end