github.com/polarismesh/polaris@v1.17.8/common/utils/atomic.go (about)

     1  /**
     2   * Tencent is pleased to support the open source community by making Polaris available.
     3   *
     4   * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
     5   *
     6   * Licensed under the BSD 3-Clause License (the "License");
     7   * you may not use this file except in compliance with the License.
     8   * You may obtain a copy of the License at
     9   *
    10   * https://opensource.org/licenses/BSD-3-Clause
    11   *
    12   * Unless required by applicable law or agreed to in writing, software distributed
    13   * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
    14   * CONDITIONS OF ANY KIND, either express or implied. See the License for the
    15   * specific language governing permissions and limitations under the License.
    16   */
    17  
    18  package utils
    19  
    20  import "sync/atomic"
    21  
    22  func NewAtomicValue[V any](v V) *AtomicValue[V] {
    23  	a := new(AtomicValue[V])
    24  	a.Store(v)
    25  	return a
    26  }
    27  
    28  type AtomicValue[V any] struct {
    29  	a atomic.Value
    30  }
    31  
    32  func (a *AtomicValue[V]) Store(val V) {
    33  	a.a.Store(val)
    34  }
    35  
    36  func (a *AtomicValue[V]) Load() V {
    37  	return a.a.Load().(V)
    38  }