50 lines
950 B
Go
50 lines
950 B
Go
|
package common
|
|||
|
|
|
|||
|
|
import (
|
|||
|
|
"sync"
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
//安全的Map
|
|||
|
|
type SynchronizedMap struct {
|
|||
|
|
rw *sync.RWMutex
|
|||
|
|
data map[interface{}]interface{}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//存储操作
|
|||
|
|
func (sm *SynchronizedMap) Put(k, v interface{}) {
|
|||
|
|
sm.rw.Lock()
|
|||
|
|
defer sm.rw.Unlock()
|
|||
|
|
sm.data[k] = v
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//获取操作
|
|||
|
|
func (sm *SynchronizedMap) Get(k interface{}) interface{} {
|
|||
|
|
sm.rw.RLock()
|
|||
|
|
defer sm.rw.RUnlock()
|
|||
|
|
return sm.data[k]
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//删除操作
|
|||
|
|
func (sm *SynchronizedMap) Delete(k interface{}) {
|
|||
|
|
sm.rw.Lock()
|
|||
|
|
defer sm.rw.Unlock()
|
|||
|
|
delete(sm.data, k)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//遍历Map，并且把遍历的值给回调函数，可以让调用者控制做任何事情
|
|||
|
|
func (sm *SynchronizedMap) Each(cb func(interface{}, interface{})) {
|
|||
|
|
sm.rw.RLock()
|
|||
|
|
defer sm.rw.RUnlock()
|
|||
|
|
for k, v := range sm.data {
|
|||
|
|
cb(k, v)
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//生成初始化一个SynchronizedMap
|
|||
|
|
func NewSynchronizedMap() *SynchronizedMap {
|
|||
|
|
return &SynchronizedMap{
|
|||
|
|
rw: new(sync.RWMutex),
|
|||
|
|
data: make(map[interface{}]interface{}),
|
|||
|
|
}
|
|||
|
|
}
|