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package fzf
import "sync"
type QueryCache map[string][]*Item
type ChunkCache struct {
mutex sync.Mutex
cache map[*Chunk]*QueryCache
}
func NewChunkCache() ChunkCache {
return ChunkCache{sync.Mutex{}, make(map[*Chunk]*QueryCache)}
}
func (cc *ChunkCache) Add(chunk *Chunk, key string, list []*Item) {
if len(key) == 0 || !chunk.IsFull() {
return
}
cc.mutex.Lock()
defer cc.mutex.Unlock()
qc, ok := cc.cache[chunk]
if !ok {
cc.cache[chunk] = &QueryCache{}
qc = cc.cache[chunk]
}
(*qc)[key] = list
}
func (cc *ChunkCache) Find(chunk *Chunk, key string) ([]*Item, bool) {
if len(key) == 0 || !chunk.IsFull() {
return nil, false
}
cc.mutex.Lock()
defer cc.mutex.Unlock()
qc, ok := cc.cache[chunk]
if ok {
list, ok := (*qc)[key]
if ok {
return list, true
}
}
return nil, false
}
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