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Rename Launcher to Background
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parent
847d724985
commit
e19c45cff3
61
background.go
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61
background.go
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package asynq
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import (
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"sync"
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"time"
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"github.com/go-redis/redis/v7"
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)
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// Background is a top-level entity for the background-task processing.
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type Background struct {
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// running indicates whether processor and poller are both running.
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running bool
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mu sync.Mutex
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poller *poller
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processor *processor
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}
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// NewBackground returns a new Background instance.
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func NewBackground(numWorkers int, opt *RedisOpt) *Background {
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client := redis.NewClient(&redis.Options{Addr: opt.Addr, Password: opt.Password})
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rdb := newRDB(client)
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poller := newPoller(rdb, 5*time.Second, []string{scheduled, retry})
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processor := newProcessor(rdb, numWorkers, nil)
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return &Background{
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poller: poller,
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processor: processor,
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}
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}
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// TaskHandler handles a given task and reports any error.
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type TaskHandler func(*Task) error
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// Start starts the background-task processing.
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func (bg *Background) Start(handler TaskHandler) {
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bg.mu.Lock()
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defer bg.mu.Unlock()
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if bg.running {
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return
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}
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bg.running = true
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bg.processor.handler = handler
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bg.poller.start()
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bg.processor.start()
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}
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// Stop stops the background-task processing.
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func (bg *Background) Stop() {
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bg.mu.Lock()
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defer bg.mu.Unlock()
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if !bg.running {
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return
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}
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bg.running = false
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bg.processor.handler = nil
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bg.poller.terminate()
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bg.processor.terminate()
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}
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61
launcher.go
61
launcher.go
@ -1,61 +0,0 @@
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package asynq
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import (
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"sync"
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"time"
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"github.com/go-redis/redis/v7"
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)
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// Launcher starts the processor and poller.
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type Launcher struct {
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// running indicates whether processor and poller are both running.
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running bool
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mu sync.Mutex
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poller *poller
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processor *processor
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}
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// NewLauncher creates and returns a new Launcher.
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func NewLauncher(poolSize int, opt *RedisOpt) *Launcher {
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client := redis.NewClient(&redis.Options{Addr: opt.Addr, Password: opt.Password})
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rdb := newRDB(client)
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poller := newPoller(rdb, 5*time.Second, []string{scheduled, retry})
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processor := newProcessor(rdb, poolSize, nil)
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return &Launcher{
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poller: poller,
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processor: processor,
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}
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}
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// TaskHandler handles a given task and report any error.
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type TaskHandler func(*Task) error
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// Start starts the processor and poller.
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func (l *Launcher) Start(handler TaskHandler) {
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l.mu.Lock()
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defer l.mu.Unlock()
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if l.running {
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return
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}
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l.running = true
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l.processor.handler = handler
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l.poller.start()
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l.processor.start()
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}
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// Stop stops both processor and poller.
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func (l *Launcher) Stop() {
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l.mu.Lock()
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defer l.mu.Unlock()
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if !l.running {
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return
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}
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l.running = false
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l.processor.handler = nil
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l.poller.terminate()
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l.processor.terminate()
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}
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