mirror of
https://github.com/willnorris/imageproxy.git
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37 lines
1.3 KiB
Go
37 lines
1.3 KiB
Go
// Copyright 2013 Google LLC. All rights reserved.
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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 imageproxy
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// The Cache interface defines a cache for storing arbitrary data. The
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// interface is designed to align with httpcache.Cache.
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type Cache interface {
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// Get retrieves the cached data for the provided key.
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Get(key string) (data []byte, ok bool)
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// Set caches the provided data.
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Set(key string, data []byte)
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// Delete deletes the cached data at the specified key.
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Delete(key string)
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}
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// NopCache provides a no-op cache implementation that doesn't actually cache anything.
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var NopCache = new(nopCache)
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type nopCache struct{}
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func (c nopCache) Get(string) ([]byte, bool) { return nil, false }
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func (c nopCache) Set(string, []byte) {}
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func (c nopCache) Delete(string) {}
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