github.com/m3db/m3@v1.5.0/src/x/sync/fast_pooled_worker_pool.go (about)

     1  // Copyright (c) 2021 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 sync
    22  
    23  import (
    24  	"context"
    25  	"time"
    26  )
    27  
    28  type fastPooledWorkerPool struct {
    29  	workerPool PooledWorkerPool
    30  	batchSize  int
    31  	count      int
    32  }
    33  
    34  var _ PooledWorkerPool = &fastPooledWorkerPool{}
    35  
    36  func (f *fastPooledWorkerPool) Init() {
    37  	f.workerPool.Init()
    38  }
    39  
    40  func (f *fastPooledWorkerPool) Go(work Work) {
    41  	f.workerPool.Go(work)
    42  }
    43  
    44  func (f *fastPooledWorkerPool) GoWithTimeout(work Work, timeout time.Duration) bool {
    45  	return f.workerPool.GoWithTimeout(work, timeout)
    46  }
    47  
    48  func (f *fastPooledWorkerPool) GoWithContext(ctx context.Context, work Work) bool {
    49  	f.count++
    50  	if f.count == 1 {
    51  		return f.workerPool.GoWithContext(ctx, work)
    52  	}
    53  	if f.count == f.batchSize {
    54  		f.count = 0
    55  	}
    56  	f.workerPool.Go(work)
    57  	return true
    58  }
    59  
    60  func (f *fastPooledWorkerPool) FastContextCheck(batchSize int) PooledWorkerPool {
    61  	return &fastPooledWorkerPool{workerPool: f.workerPool, batchSize: batchSize}
    62  }