github.com/m3db/m3@v1.5.0/src/aggregator/integration/clock.go (about)

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