|
|
|
@ -34,9 +34,9 @@ func (cc *ChunkCache) Add(chunk *Chunk, key string, list []*Result) {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Find is called to lookup ChunkCache
|
|
|
|
|
func (cc *ChunkCache) Find(chunk *Chunk, key string) ([]*Result, bool) {
|
|
|
|
|
func (cc *ChunkCache) Find(chunk *Chunk, key string) []*Result {
|
|
|
|
|
if len(key) == 0 || !chunk.IsFull() {
|
|
|
|
|
return nil, false
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
cc.mutex.Lock()
|
|
|
|
@ -46,8 +46,36 @@ func (cc *ChunkCache) Find(chunk *Chunk, key string) ([]*Result, bool) {
|
|
|
|
|
if ok {
|
|
|
|
|
list, ok := (*qc)[key]
|
|
|
|
|
if ok {
|
|
|
|
|
return list, true
|
|
|
|
|
return list
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return nil, false
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func (cc *ChunkCache) Search(chunk *Chunk, key string) []*Result {
|
|
|
|
|
if len(key) == 0 || !chunk.IsFull() {
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
cc.mutex.Lock()
|
|
|
|
|
defer cc.mutex.Unlock()
|
|
|
|
|
|
|
|
|
|
qc, ok := cc.cache[chunk]
|
|
|
|
|
if !ok {
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for idx := 1; idx < len(key); idx++ {
|
|
|
|
|
// [---------| ] | [ |---------]
|
|
|
|
|
// [--------| ] | [ |--------]
|
|
|
|
|
// [-------| ] | [ |-------]
|
|
|
|
|
prefix := key[:len(key)-idx]
|
|
|
|
|
suffix := key[idx:]
|
|
|
|
|
for _, substr := range [2]string{prefix, suffix} {
|
|
|
|
|
if cached, found := (*qc)[substr]; found {
|
|
|
|
|
return cached
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return nil
|
|
|
|
|
}
|
|
|
|
|