github.com/m3db/m3@v1.5.0/src/dbnode/storage/index/results_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 index
    22  
    23  import "github.com/m3db/m3/src/x/pool"
    24  
    25  type resultsPool struct {
    26  	pool pool.ObjectPool
    27  }
    28  
    29  // NewQueryResultsPool creates a new QueryResultsPool.
    30  func NewQueryResultsPool(opts pool.ObjectPoolOptions) QueryResultsPool {
    31  	return &resultsPool{pool: pool.NewObjectPool(opts)}
    32  }
    33  
    34  func (p *resultsPool) Init(alloc QueryResultsAllocator) {
    35  	p.pool.Init(func() interface{} {
    36  		return alloc()
    37  	})
    38  }
    39  
    40  func (p *resultsPool) Get() QueryResults {
    41  	return p.pool.Get().(QueryResults)
    42  }
    43  
    44  func (p *resultsPool) Put(value QueryResults) {
    45  	p.pool.Put(value)
    46  }