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comment updat

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John
2020-09-26 21:00:28 +08:00
parent acca6f4009
commit a6f70f8935
2 changed files with 8 additions and 7 deletions
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8
os/gcache/gcache_adapter.go
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@ -66,6 +66,10 @@ type Adapter interface {
// safety purpose.
GetOrSetFuncLock(key interface{}, f func() interface{}, duration time.Duration) interface{}
// GetExpire retrieves and returns the expiration of <key> in the cache.
// It returns -1 if the <key> does not exist in the cache.
GetExpire(key interface{}) time.Duration
// Remove deletes one or more keys from cache, and returns its value.
// If multiple keys are given, it returns the value of the last deleted item.
Remove(keys ...interface{}) (value interface{})
@ -81,10 +85,6 @@ type Adapter interface {
// Contains checks and returns whether given <key> exists in the cache.
Contains(key interface{}) bool
// GetExpire retrieves and returns the expiration of <key> in the cache.
// It returns -1 if the <key> does not exist in the cache.
GetExpire(key interface{}) time.Duration
// Size returns the number of items in the cache.
Size() (size int)

7
os/gcache/gcache_adapter_memory.go
View File

@ -95,8 +95,9 @@ func newAdapterMemory(lruCap ...int) *adapterMemory {
}
// Set sets cache with <key>-<value> pair, which is expired after <duration>.
//
// It does not expire if <duration> == 0.
// It deletes the <key> if <duration> < 0 or given <value> is nil.
// It deletes the <key> if <duration> < 0.
func (c *adapterMemory) Set(key interface{}, value interface{}, duration time.Duration) {
expireTime := c.getInternalExpire(duration)
c.dataMu.Lock()
@ -112,7 +113,7 @@ func (c *adapterMemory) Set(key interface{}, value interface{}, duration time.Du
}
// Update updates the value of <key> without changing its expiration and returns the old value.
// The returned <exist> value is false if the <key> does not exist in the cache.
// The returned value <exist> is false if the <key> does not exist in the cache.
func (c *adapterMemory) Update(key interface{}, value interface{}) (oldValue interface{}, exist bool) {
c.dataMu.Lock()
defer c.dataMu.Unlock()
@ -146,7 +147,7 @@ func (c *adapterMemory) UpdateExpire(key interface{}, duration time.Duration) (o
return -1
}
// GetExpire retrieves and returns the expiration of <key>.
// GetExpire retrieves and returns the expiration of <key> in the cache.
// It returns -1 if the <key> does not exist in the cache.
func (c *adapterMemory) GetExpire(key interface{}) time.Duration {
c.dataMu.RLock()