github.com/m3db/m3@v1.5.1-0.20231129193456-75a402aa583b/src/aggregator/integration/clock.go (about)

     1  //go:build integration
     2  // +build integration
     3  
     4  // Copyright (c) 2021 Uber Technologies, Inc.
     5  //
     6  // Permission is hereby granted, free of charge, to any person obtaining a copy
     7  // of this software and associated documentation files (the "Software"), to deal
     8  // in the Software without restriction, including without limitation the rights
     9  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    10  // copies of the Software, and to permit persons to whom the Software is
    11  // furnished to do so, subject to the following conditions:
    12  //
    13  // The above copyright notice and this permission notice shall be included in
    14  // all copies or substantial portions of the Software.
    15  //
    16  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    17  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    18  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    19  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    20  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    21  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    22  // THE SOFTWARE.
    23  
    24  package integration
    25  
    26  import (
    27  	"sync"
    28  	"time"
    29  
    30  	"github.com/m3db/m3/src/x/clock"
    31  )
    32  
    33  type testClock struct {
    34  	sync.RWMutex
    35  
    36  	now time.Time
    37  }
    38  
    39  func newTestClock(now time.Time) *testClock {
    40  	return &testClock{
    41  		now: now,
    42  	}
    43  }
    44  
    45  func (c *testClock) Now() time.Time {
    46  	c.RLock()
    47  	defer c.RUnlock()
    48  	return c.now
    49  }
    50  
    51  func (c *testClock) SetNow(now time.Time) {
    52  	c.Lock()
    53  	defer c.Unlock()
    54  	c.now = now
    55  }
    56  
    57  func (c *testClock) Options() clock.Options {
    58  	return clock.NewOptions().SetNowFn(c.Now)
    59  }