mirror of
https://github.com/teivah/100-go-mistakes.git
synced 2026-06-20 16:45:56 +08:00
43 lines
622 B
Go
43 lines
622 B
Go
package listing1
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import (
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"sync"
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"time"
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)
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type Cache struct {
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mu sync.RWMutex
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events []Event
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}
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type Event struct {
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Timestamp time.Time
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Data string
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}
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func (c *Cache) TrimBefore(now time.Time, since time.Duration) {
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c.mu.RLock()
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defer c.mu.RUnlock()
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t := now.Add(-since)
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for i := 0; i < len(c.events); i++ {
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if c.events[i].Timestamp.After(t) {
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c.events = c.events[i:]
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return
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}
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}
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}
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func (c *Cache) Add(events []Event) {
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c.mu.Lock()
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defer c.mu.Unlock()
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c.events = append(c.events, events...)
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}
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func (c *Cache) GetAll() []Event {
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c.mu.RLock()
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defer c.mu.RUnlock()
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return c.events
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}
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