95 lines
1.5 KiB
Go
95 lines
1.5 KiB
Go
package person
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import (
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"fmt"
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"sync"
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"time"
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)
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var (
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cache *PersonsCache
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)
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type CacheEntry struct {
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Entry *Person
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LastAccessed time.Time
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}
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type PersonsCache struct {
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sync.Map
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}
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func NewPersonsCacheMutex() *PersonsCache {
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return &PersonsCache{}
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}
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func (m *PersonsCache) CacheKiller() {
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for {
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if m.Count() == 0 {
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continue
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}
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m.Range(func(key, value interface{}) bool {
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cacheEntry := value.(*CacheEntry)
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if time.Since(cacheEntry.LastAccessed) >= 30 * time.Minute {
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m.Delete(key)
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}
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return true
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})
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time.Sleep(5000 * time.Minute)
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}
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}
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func (m *PersonsCache) GetPerson(id string) *Person {
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if p, ok := m.Load(id); ok {
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fmt.Println("Cache hit", id)
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cacheEntry := p.(*CacheEntry)
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return cacheEntry.Entry
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}
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return nil
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}
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func (m *PersonsCache) GetPersonByDisplay(displayName string) *Person {
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var person *Person
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m.RangeEntry(func(key string, value *CacheEntry) bool {
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if value.Entry.DisplayName == displayName {
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person = value.Entry
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return false
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}
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return true
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})
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return person
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}
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func (m *PersonsCache) SavePerson(p *Person) {
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m.Store(p.ID, &CacheEntry{
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Entry: p,
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LastAccessed: time.Now(),
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})
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}
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func (m *PersonsCache) DeletePerson(id string) {
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m.Delete(id)
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}
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func (m *PersonsCache) RangeEntry(f func(key string, value *CacheEntry) bool) {
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m.Range(func(key, value interface{}) bool {
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return f(key.(string), value.(*CacheEntry))
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})
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}
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func (m *PersonsCache) Count() int {
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count := 0
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m.Range(func(key, value interface{}) bool {
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count++
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return true
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})
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return count
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} |