// Create a cache whose information expires with the supplied TTL. If the TTL
// is zero, nothing will ever be cached.
func newTypeCache(
perTypeCapacity int,
ttl time.Duration) (tc typeCache) {
tc = typeCache{
ttl: ttl,
files: lrucache.New(perTypeCapacity),
dirs: lrucache.New(perTypeCapacity),
}
return
}
// Create a new stat cache that holds the given number of entries, which must
// be positive.
func NewStatCache(capacity int) (sc StatCache) {
sc = &statCache{
c: lrucache.New(capacity),
}
return
}
// Create a cache that holds the given number of items, evicting the least
// recently used item when more space is needed.
func NewLruCache(capacity uint) Cache {
c := &lruCache{
wrapped: lrucache.New(int(capacity)),
}
c.mu = syncutil.NewInvariantMutex(c.wrapped.CheckInvariants)
return c
}
func (t *CacheTest) SetUp(ti *TestInfo) {
t.cache.Wrapped = lrucache.New(capacity)
}