github.com/kaydxh/golang@v0.0.131/pkg/discovery/etcd/etcd_type.go (about)

     1  /*
     2   *Copyright (c) 2022, kaydxh
     3   *
     4   *Permission is hereby granted, free of charge, to any person obtaining a copy
     5   *of this software and associated documentation files (the "Software"), to deal
     6   *in the Software without restriction, including without limitation the rights
     7   *to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     8   *copies of the Software, and to permit persons to whom the Software is
     9   *furnished to do so, subject to the following conditions:
    10   *
    11   *The above copyright notice and this permission notice shall be included in all
    12   *copies or substantial portions of the Software.
    13   *
    14   *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    15   *IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    16   *FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    17   *AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    18   *LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    19   *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    20   *SOFTWARE.
    21   */
    22  package etcd
    23  
    24  import (
    25  	"sync/atomic"
    26  
    27  	clientv3 "go.etcd.io/etcd/client/v3"
    28  )
    29  
    30  type ETCDKV atomic.Value
    31  
    32  //check type ETCDKV* whether to implement interface of atomic.Value
    33  //var _ atomic.Value = (*ETCDKV)(nil)
    34  
    35  //check type ETCDKV whether to implement interface of atomic.Value
    36  //var _ atomic.Value = ETCDKV{}
    37  
    38  func (m *ETCDKV) Store(value *clientv3.Client) {
    39  	(*atomic.Value)(m).Store(value)
    40  }
    41  
    42  func (m *ETCDKV) Load() *clientv3.Client {
    43  	value := (*atomic.Value)(m).Load()
    44  	if value == nil {
    45  		return nil
    46  	}
    47  	return value.(*clientv3.Client)
    48  }