github.com/e154/smart-home@v0.17.2-0.20240311175135-e530a6e5cd45/system/scripts/pull.go (about)

     1  // This file is part of the Smart Home
     2  // Program complex distribution https://github.com/e154/smart-home
     3  // Copyright (C) 2016-2023, Filippov Alex
     4  //
     5  // This library is free software: you can redistribute it and/or
     6  // modify it under the terms of the GNU Lesser General Public
     7  // License as published by the Free Software Foundation; either
     8  // version 3 of the License, or (at your option) any later version.
     9  //
    10  // This library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13  // Library General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public
    16  // License along with this library.  If not, see
    17  // <https://www.gnu.org/licenses/>.
    18  
    19  package scripts
    20  
    21  import (
    22  	"sync"
    23  )
    24  
    25  // Pull ...
    26  type Pull struct {
    27  	heap sync.Map
    28  }
    29  
    30  // NewPull ...
    31  func NewPull() *Pull {
    32  	return &Pull{
    33  		heap: sync.Map{},
    34  	}
    35  }
    36  
    37  // Get ...
    38  func (p *Pull) Get(name string) (value interface{}, ok bool) {
    39  	value, ok = p.heap.Load(name)
    40  	return
    41  }
    42  
    43  // Push ...
    44  func (p *Pull) Push(name string, s interface{}) {
    45  	p.heap.Store(name, s)
    46  }
    47  
    48  // Pop ...
    49  func (p *Pull) Pop(name string) {
    50  	p.heap.Delete(name)
    51  }
    52  
    53  // Purge ...
    54  func (p *Pull) Purge() {
    55  	p.heap.Range(func(key, value interface{}) bool {
    56  		p.heap.Delete(key)
    57  		return true
    58  	})
    59  }
    60  
    61  func (p *Pull) Range(f func(key, value interface{}) bool) {
    62  	p.heap.Range(f)
    63  }