diff options
Diffstat (limited to 'vendor/github.com/minio/minio-go/v7/pkg/kvcache/cache.go')
| -rw-r--r-- | vendor/github.com/minio/minio-go/v7/pkg/kvcache/cache.go | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/vendor/github.com/minio/minio-go/v7/pkg/kvcache/cache.go b/vendor/github.com/minio/minio-go/v7/pkg/kvcache/cache.go new file mode 100644 index 000000000..b37514fa3 --- /dev/null +++ b/vendor/github.com/minio/minio-go/v7/pkg/kvcache/cache.go @@ -0,0 +1,54 @@ +/* + * MinIO Go Library for Amazon S3 Compatible Cloud Storage + * Copyright 2015-2025 MinIO, Inc. + * + * 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. + */ + +package kvcache + +import "sync" + +// Cache - Provides simple mechanism to hold any key value in memory +// wrapped around via sync.Map but typed with generics. +type Cache[K comparable, V any] struct { + m sync.Map +} + +// Delete delete the key +func (r *Cache[K, V]) Delete(key K) { + r.m.Delete(key) +} + +// Get - Returns a value of a given key if it exists. +func (r *Cache[K, V]) Get(key K) (value V, ok bool) { + return r.load(key) +} + +// Set - Will persist a value into cache. +func (r *Cache[K, V]) Set(key K, value V) { + r.store(key, value) +} + +func (r *Cache[K, V]) load(key K) (V, bool) { + value, ok := r.m.Load(key) + if !ok { + var zero V + return zero, false + } + return value.(V), true +} + +func (r *Cache[K, V]) store(key K, value V) { + r.m.Store(key, value) +} |
