lrucache

package

v0.0.0-...-91649ba Latest Latest Go to latest Published: Jan 27, 2021 License: Apache-2.0 Imports: 4 Imported by: 0

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Repository

github.com/duyanghao/eagle

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Documentation ¶

Overview ¶

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index ¶

type Entry
type EvictCallback
type LruCache
- func NewLRU(size int64, onEvict EvictCallback) (*LruCache, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Entry ¶

type Entry struct {
	Done      chan struct{}
	Completed bool
	Size      int64
}

type EvictCallback ¶

type EvictCallback func(string)

EvictCallback is used to get a callback when a cache entry is evicted

type LruCache ¶

type LruCache struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

func NewLRU ¶

func NewLRU(size int64, onEvict EvictCallback) (*LruCache, error)

NewLRU constructs an LRU of the given size

func (*LruCache) CreateIfNotExists ¶

func (c *LruCache) CreateIfNotExists(key string) (Entry, bool)

Create if not exists. Returns true if the entry existed.

func (*LruCache) Get ¶

func (c *LruCache) Get(key string) (Entry, bool)

Get looks up a key's value from the cache

func (*LruCache) Output ¶

func (c *LruCache) Output()

func (*LruCache) Remove ¶

func (c *LruCache) Remove(key string) (present bool)

Remove removes the provided key from the cache, returning if the key was contained.

func (*LruCache) SetComplete ¶

func (c *LruCache) SetComplete(key string, size int64) (evicted bool)

SetComplete mark completed status of cache entry. Returns true if an eviction occurred. This function only works when entry exists

Source Files ¶

View all Source files

lrucache.go

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