github.com/m3db/m3@v1.5.0/src/x/sync/fast_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  	"time"
    25  
    26  	"github.com/m3db/m3/src/x/context"
    27  )
    28  
    29  type fastWorkerPool struct {
    30  	workerPool WorkerPool
    31  	batchSize  int
    32  	count      int
    33  }
    34  
    35  var _ WorkerPool = &fastWorkerPool{}
    36  
    37  func (p *fastWorkerPool) Init() {
    38  	p.workerPool.Init()
    39  }
    40  
    41  func (p *fastWorkerPool) Go(work Work) {
    42  	p.workerPool.Go(work)
    43  }
    44  
    45  func (p *fastWorkerPool) GoInstrument(work Work) ScheduleResult {
    46  	return p.workerPool.GoInstrument(work)
    47  }
    48  
    49  func (p *fastWorkerPool) GoIfAvailable(work Work) bool {
    50  	return p.workerPool.GoIfAvailable(work)
    51  }
    52  
    53  func (p *fastWorkerPool) GoWithTimeout(work Work, timeout time.Duration) bool {
    54  	return p.workerPool.GoWithTimeout(work, timeout)
    55  }
    56  
    57  func (p *fastWorkerPool) GoWithTimeoutInstrument(work Work, timeout time.Duration) ScheduleResult {
    58  	return p.workerPool.GoWithTimeoutInstrument(work, timeout)
    59  }
    60  
    61  func (p *fastWorkerPool) GoWithContext(ctx context.Context, work Work) ScheduleResult {
    62  	p.count++
    63  	if p.count == 1 {
    64  		return p.workerPool.GoWithContext(ctx, work)
    65  	}
    66  	if p.count == p.batchSize {
    67  		p.count = 0
    68  	}
    69  	return p.workerPool.GoInstrument(work)
    70  }
    71  
    72  func (p *fastWorkerPool) FastContextCheck(batchSize int) WorkerPool {
    73  	return &fastWorkerPool{workerPool: p.workerPool, batchSize: batchSize}
    74  }
    75  
    76  func (p *fastWorkerPool) Size() int {
    77  	return p.workerPool.Size()
    78  }