73 lines
1.4 KiB
Go
73 lines
1.4 KiB
Go
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// Copyright 2024 Matthew Rich <matthewrich.conf@gmail.com>. All rights reserved.
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package context;
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import (
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"log"
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"feudal/message"
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"feudal/feudal"
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)
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type Runner interface {
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Start(d Dispatcher, c feudal.Context)
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Stop()
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}
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type Queue struct {
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receive chan message.Envelope
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quit chan bool
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stopped chan bool
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}
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func NewQueue() *Queue {
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return &Queue{ receive: make(chan message.Envelope), quit: make(chan bool), stopped: make(chan bool) }
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}
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func NewBufferedQueue(size int) *Queue {
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return &Queue{ receive: make(chan message.Envelope, size), quit: make(chan bool), stopped: make(chan bool) }
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}
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func (q *Queue) Add(m message.Envelope) {
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q.receive <- m
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}
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func (q *Queue) Remove() message.Envelope {
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return <- q.receive
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}
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func (q *Queue) contextTrigger(c feudal.Context, trigger string) {
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if c != nil {
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log.Printf("triggering %s on %s", trigger, c.Address())
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c.Trigger(trigger)
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}
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}
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func (q *Queue) Start(d Dispatcher, c feudal.Context) {
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go func() {
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q.contextTrigger(c, "start")
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for {
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select {
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case m := <- q.receive:
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d.Dispatch(m, c)
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case <- q.quit:
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close(q.receive)
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c.Disolve() // change to trigger
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close(q.stopped)
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q.contextTrigger(c, "stop")
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return
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}
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}
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}()
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}
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func (q *Queue) Stop() {
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close(q.quit)
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select {
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case <- q.stopped:
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}
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}
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func (q *Queue) Len() int {
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return len(q.receive)
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}
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