ipbl/vendor/xorm.io/xorm/caches/manager.go

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2021-11-07 20:44:48 +01:00
// Copyright 2020 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package caches
import "sync"
// Manager represents a cache manager
type Manager struct {
cacher Cacher
disableGlobalCache bool
cachers map[string]Cacher
cacherLock sync.RWMutex
}
// NewManager creates a cache manager
func NewManager() *Manager {
return &Manager{
cachers: make(map[string]Cacher),
}
}
// SetDisableGlobalCache disable global cache or not
func (mgr *Manager) SetDisableGlobalCache(disable bool) {
if mgr.disableGlobalCache != disable {
mgr.disableGlobalCache = disable
}
}
// SetCacher set cacher of table
func (mgr *Manager) SetCacher(tableName string, cacher Cacher) {
mgr.cacherLock.Lock()
mgr.cachers[tableName] = cacher
mgr.cacherLock.Unlock()
}
// GetCacher returns a cache of a table
func (mgr *Manager) GetCacher(tableName string) Cacher {
var cacher Cacher
var ok bool
mgr.cacherLock.RLock()
cacher, ok = mgr.cachers[tableName]
mgr.cacherLock.RUnlock()
if !ok && !mgr.disableGlobalCache {
cacher = mgr.cacher
}
return cacher
}
// SetDefaultCacher set the default cacher. Xorm's default not enable cacher.
func (mgr *Manager) SetDefaultCacher(cacher Cacher) {
mgr.cacher = cacher
}
// GetDefaultCacher returns the default cacher
func (mgr *Manager) GetDefaultCacher() Cacher {
return mgr.cacher
}