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46 lines
842 B
Go
46 lines
842 B
Go
package store
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import (
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"sync"
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"time"
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)
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// AtomicTime is a time.Time with atomic operations.
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type AtomicTime struct {
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t time.Time
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mu sync.RWMutex
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}
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// NewAtomicTime returns a new AtomicTime.
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func NewAtomicTime() *AtomicTime {
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return &AtomicTime{}
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}
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// Store stores a new time.
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func (t *AtomicTime) Store(newTime time.Time) {
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t.mu.Lock()
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defer t.mu.Unlock()
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t.t = newTime
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}
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// Load returns the stored time.
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func (t *AtomicTime) Load() time.Time {
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t.mu.RLock()
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defer t.mu.RUnlock()
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return t.t
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}
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// Add adds a duration to the stored time.
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func (t *AtomicTime) Add(d time.Duration) {
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t.mu.Lock()
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defer t.mu.Unlock()
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t.t = t.t.Add(d)
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}
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// Sub return the difference between the stored time and the given time.
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func (t *AtomicTime) Sub(tt *AtomicTime) time.Duration {
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t.mu.RLock()
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defer t.mu.RUnlock()
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return t.t.Sub(tt.t)
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}
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