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38 lines
920 B
CoffeeScript
38 lines
920 B
CoffeeScript
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ASpellWorker = require "./ASpellWorker"
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_ = require "underscore"
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class ASpellWorkerPool
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constructor: (@options) ->
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@PROCESS_POOL = []
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@timeout = 1000
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create: (language) ->
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worker = new ASpellWorker(language, @options)
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worker.pipe.on 'exit', () =>
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@cleanup
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@PROCESS_POOL.push(worker)
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return worker
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cleanup: () ->
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active = @PROCESS_POOL.filter (worker) ->
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worker.state != 'killed'
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@PROCESS_POOL = active
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check: (language, words, timeout, callback) ->
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# look for an existing process in the pool
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availableWorker = _.find @PROCESS_POOL, (cached) ->
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cached.language == language && cached.isReady()
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if not availableWorker?
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worker = @create(language)
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else
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worker = availableWorker
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timer = setTimeout () ->
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worker.pipe.kill('SIGKILL')
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, timeout || 1000
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worker.check words, (err, output) ->
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clearTimeout timer
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callback(err, output)
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module.exports = ASpellWorkerPool
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