github.com/fzfile/BaiduPCS-Go@v0.0.0-20200606205115-4408961cf336/baidupcs/expires/cachemap/cachemap.go (about)

     1  package cachemap
     2  
     3  import (
     4  	"github.com/fzfile/BaiduPCS-Go/baidupcs/expires"
     5  	"sync"
     6  )
     7  
     8  var (
     9  	GlobalCacheOpMap = CacheOpMap{}
    10  )
    11  
    12  type (
    13  	CacheOpMap struct {
    14  		cachePool sync.Map
    15  	}
    16  )
    17  
    18  func (cm *CacheOpMap) LazyInitCachePoolOp(op string) CacheUnit {
    19  	cacheItf, _ := cm.cachePool.LoadOrStore(op, &cacheUnit{})
    20  	return cacheItf.(CacheUnit)
    21  }
    22  
    23  func (cm *CacheOpMap) RemoveCachePoolOp(op string) {
    24  	cm.cachePool.Delete(op)
    25  }
    26  
    27  // ClearInvalidate 清除已过期的数据(一般用不到)
    28  func (cm *CacheOpMap) ClearInvalidate() {
    29  	cm.cachePool.Range(func(_, cacheItf interface{}) bool {
    30  		cache := cacheItf.(CacheUnit)
    31  		cache.Range(func(key interface{}, exp expires.DataExpires) bool {
    32  			if exp.IsExpires() {
    33  				cache.Delete(key)
    34  			}
    35  			return true
    36  		})
    37  		return true
    38  	})
    39  }
    40  
    41  // PrintAll 输出所有缓冲项目
    42  func (cm *CacheOpMap) PrintAll() {
    43  }