mirror of https://github.com/pocke/goevent.git
62 lines
925 B
Go
62 lines
925 B
Go
package goevent
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import (
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"fmt"
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"sync"
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)
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type Table interface {
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On(string, interface{}) error
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Trigger(string, ...interface{}) error
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Off(string, interface{})
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}
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type table struct {
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events map[string]*Event
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mu sync.RWMutex
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}
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func NewTable() Table {
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return &table{
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events: map[string]*Event{},
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}
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}
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func (t *table) Trigger(name string, args ...interface{}) error {
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t.mu.RLock()
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defer t.mu.RUnlock()
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ev, ok := t.events[name]
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if !ok {
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return fmt.Errorf("%s event has not been defined yet.", name)
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}
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return ev.Trigger(args...)
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}
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func (t *table) On(name string, f interface{}) error {
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t.mu.Lock()
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defer t.mu.Unlock()
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ev, ok := t.events[name]
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if !ok {
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ev = New()
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t.events[name] = ev
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}
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return ev.On(f)
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}
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// XXX: return error?
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func (t *table) Off(name string, f interface{}) {
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t.mu.Lock()
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defer t.mu.Unlock()
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e, ok := t.events[name]
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if !ok {
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return
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}
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e.Off(f)
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}
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var _ Table = &table{}
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