58f8093689
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63 lines
1.3 KiB
Lua
63 lines
1.3 KiB
Lua
--[[
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Moves job from active to waiting children set.
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Input:
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KEYS[1] lock key
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KEYS[2] active key
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KEYS[3] waitChildrenKey key
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KEYS[4] job key
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ARGV[1] token
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ARGV[2] child key
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ARGV[3] timestamp
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ARGV[4] the id of the job
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Output:
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0 - OK
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1 - There are not pending dependencies.
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-1 - Missing job.
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-2 - Missing lock
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-3 - Job not in active set
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]]
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local rcall = redis.call
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local function moveToWaitingChildren (activeKey, waitingChildrenKey, jobId, timestamp, lockKey, token)
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if token ~= "0" then
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if rcall("GET", lockKey) == token then
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rcall("DEL", lockKey)
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else
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return -2
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end
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end
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local score = tonumber(timestamp)
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local numRemovedElements = rcall("LREM", activeKey, -1, jobId)
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if(numRemovedElements < 1) then
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return -3
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end
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rcall("ZADD", waitingChildrenKey, score, jobId)
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return 0
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end
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if rcall("EXISTS", KEYS[4]) == 1 then
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if ARGV[2] ~= "" then
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if rcall("SISMEMBER", KEYS[4] .. ":dependencies", ARGV[2]) ~= 0 then
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return moveToWaitingChildren(KEYS[2], KEYS[3], ARGV[4], ARGV[3], KEYS[1], ARGV[1])
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end
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return 1
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else
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if rcall("SCARD", KEYS[4] .. ":dependencies") ~= 0 then
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return moveToWaitingChildren(KEYS[2], KEYS[3], ARGV[4], ARGV[3], KEYS[1], ARGV[1])
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end
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return 1
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end
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end
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return -1
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