49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
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// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package db
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import (
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"sync"
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)
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type cache struct {
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items sync.Map
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}
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func (c *cache) Clr() {
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c.items.Range(func(key interface{}, _ interface{}) bool {
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c.items.Delete(key)
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return true
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})
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}
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func (c *cache) Del(key string) {
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c.items.Delete(key)
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}
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func (c *cache) Has(key string) bool {
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_, ok := c.items.Load(key)
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return ok
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}
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func (c *cache) Get(key string) interface{} {
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val, _ := c.items.Load(key)
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return val
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}
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func (c *cache) Put(key string, val interface{}) {
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c.items.Store(key, val)
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}
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