github.com/m3db/m3@v1.5.0/src/dbnode/client/fetch_state_pool.go (about)

     1  // Copyright (c) 2018 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package client
    22  
    23  import "github.com/m3db/m3/src/x/pool"
    24  
    25  type fetchStatePool interface {
    26  	Init()
    27  	Get() *fetchState
    28  	Put(*fetchState)
    29  }
    30  
    31  type fetchStatePoolImpl struct {
    32  	pool pool.ObjectPool
    33  }
    34  
    35  func newFetchStatePool(opts pool.ObjectPoolOptions) fetchStatePool {
    36  	return &fetchStatePoolImpl{
    37  		pool: pool.NewObjectPool(opts),
    38  	}
    39  }
    40  
    41  func (p *fetchStatePoolImpl) Init() {
    42  	p.pool.Init(func() interface{} {
    43  		return newFetchState(p)
    44  	})
    45  }
    46  
    47  func (p *fetchStatePoolImpl) Get() *fetchState {
    48  	return p.pool.Get().(*fetchState)
    49  }
    50  
    51  func (p *fetchStatePoolImpl) Put(f *fetchState) {
    52  	p.pool.Put(f)
    53  }