41 lines
924 B
Go
41 lines
924 B
Go
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package pstoreds
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// cache abstracts all methods we access from ARCCache, to enable alternate
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// implementations such as a no-op one.
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type cache interface {
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Get(key interface{}) (value interface{}, ok bool)
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Add(key, value interface{})
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Remove(key interface{})
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Contains(key interface{}) bool
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Peek(key interface{}) (value interface{}, ok bool)
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Keys() []interface{}
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}
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// noopCache is a dummy implementation that's used when the cache is disabled.
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type noopCache struct {
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}
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var _ cache = (*noopCache)(nil)
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func (*noopCache) Get(key interface{}) (value interface{}, ok bool) {
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return nil, false
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}
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func (*noopCache) Add(key, value interface{}) {
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}
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func (*noopCache) Remove(key interface{}) {
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}
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func (*noopCache) Contains(key interface{}) bool {
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return false
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}
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func (*noopCache) Peek(key interface{}) (value interface{}, ok bool) {
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return nil, false
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}
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func (*noopCache) Keys() (keys []interface{}) {
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return keys
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}
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