28 lines
736 B
Lua
28 lines
736 B
Lua
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---Fallback query strategy
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---@param data TransData
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---@return boolean @true if query success
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return function(data)
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local result = data.result
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local update
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for _, backend in ipairs(data.backends) do
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local name = backend.name
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if backend.no_wait then
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---@cast backend TransOfflineBackend
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backend.query(data)
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else
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---@cast backend TransOnlineBackend
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require 'Trans'.backend.do_query(data, backend)
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update = update or data.frontend:wait()
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while result[name] == nil and update(backend) do
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end
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end
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---@cast backend TransBackend
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if result[name] then return true end
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end
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return false
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end
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