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• SetSemaphoreLockScript.lua

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lua.SetSemaphoreLockScript.lua Maven / Gradle / Ivy

local maxLeases = tonumber(ARGV[2])
local leasersCount = tonumber(redis.call("scard", KEYS[1]))
if leasersCount < maxLeases then
    redis.call("sadd", KEYS[1], ARGV[1])
    redis.call("set", KEYS[2], "", "PX", tonumber(ARGV[3]))
    return "OK"
end
return nil