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annotate pkg/scheduler/scheduler.go @ 1540:251ee25accce

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Droped on scheduler in favor for a third party library.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 07 Dec 2018 18:34:53 +0100
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children 03fcad10104a
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1540
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1 // This is Free Software under GNU Affero General Public License v >= 3.0
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2 // without warranty, see README.md and license for details.
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3 //
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4 // SPDX-License-Identifier: AGPL-3.0-or-later
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5 // License-Filename: LICENSES/AGPL-3.0.txt
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6 //
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7 // Copyright (C) 2018 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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9 // Software engineering by Intevation GmbH
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10 //
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11 // Author(s):
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13
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14 package scheduler
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15
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16 import (
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17 "errors"
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18 "sync"
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19
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20 "github.com/robfig/cron"
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21 )
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22
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23 var ErrNoSuchAction = errors.New("No such action")
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24
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25 type funcJob struct {
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26 bound bool
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27 fn func()
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28 }
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29
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30 type scheduler struct {
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31 cr *cron.Cron
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32 actions map[string]*funcJob
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33 mu sync.Mutex
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34 }
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35
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36 var global = scheduler{
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37 cr: cron.New(),
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38 actions: make(map[string]*funcJob),
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39 }
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40
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41 func AddAction(name string, fn func()) {
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42 global.addAction(name, fn)
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43 }
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44
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45 func AddSchedule(spec, action string) error {
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46 return global.addAction(spec, action)
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47 }
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48
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49 func (s *scheduler) addSchedule(spec, action string) error {
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50 s.mu.Lock()
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51 defer s.mu.Unlock()
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52 if s.actions[action] == nil {
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53 return ErrNoSuchAction
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54 }
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55 // TODO: Implement me!
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56 }
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57
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58 func (s *scheduler) addAction(name string, fn func()) {
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59 s.mu.Lock()
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60 defer s.mu.Unlock()
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61 s.actions[name] = &funcJob{fn: fn}
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62 }