64 lines
1.4 KiB
Go
64 lines
1.4 KiB
Go
/*
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* Copyright 2025 coze-dev Authors
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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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*/
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package ctxcache
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import (
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"context"
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"sync"
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)
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type ctxCacheKey struct{}
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func Init(ctx context.Context) context.Context {
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return context.WithValue(ctx, ctxCacheKey{}, new(sync.Map))
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}
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func Get[T any](ctx context.Context, key any) (value T, ok bool) {
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var zero T
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cacheMap, valid := ctx.Value(ctxCacheKey{}).(*sync.Map)
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if !valid {
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return zero, false
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}
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loadedValue, exists := cacheMap.Load(key)
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if !exists {
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return zero, false
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}
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if v, match := loadedValue.(T); match {
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return v, true
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}
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return zero, false
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}
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func Store(ctx context.Context, key any, obj any) {
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if cacheMap, ok := ctx.Value(ctxCacheKey{}).(*sync.Map); ok {
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cacheMap.Store(key, obj)
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}
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}
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func HasKey(ctx context.Context, key any) bool {
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if cacheMap, ok := ctx.Value(ctxCacheKey{}).(*sync.Map); ok {
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_, ok := cacheMap.Load(key)
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return ok
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}
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return false
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}
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