github.com/m3db/m3@v1.5.0/src/cmd/tools/dtest/util/seed/options.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 seed
    22  
    23  import (
    24  	"math/rand"
    25  	"time"
    26  
    27  	"github.com/m3db/m3/src/dbnode/integration/generate"
    28  	"github.com/m3db/m3/src/x/instrument"
    29  )
    30  
    31  const (
    32  	defaulNumSeries       = 30000
    33  	defaultMinPointsPerID = 50
    34  	defaultMaxPointsPerID = 150
    35  	defaultMeanIDLength   = 152.0
    36  	defaultStddevIDLength = 66.0
    37  )
    38  
    39  type opts struct {
    40  	generateOpts   generate.Options
    41  	iOpts          instrument.Options
    42  	source         rand.Source
    43  	numIDs         int
    44  	minPointsPerID int
    45  	maxPointsPerID int
    46  	idLenMean      float64
    47  	idLenStddev    float64
    48  }
    49  
    50  // NewOptions returns new options
    51  func NewOptions() Options {
    52  	return &opts{
    53  		generateOpts:   generate.NewOptions(),
    54  		iOpts:          instrument.NewOptions(),
    55  		source:         rand.NewSource(time.Now().UnixNano()),
    56  		numIDs:         defaulNumSeries,
    57  		minPointsPerID: defaultMinPointsPerID,
    58  		maxPointsPerID: defaultMaxPointsPerID,
    59  		idLenMean:      defaultMeanIDLength,
    60  		idLenStddev:    defaultStddevIDLength,
    61  	}
    62  }
    63  
    64  func (o *opts) SetInstrumentOptions(io instrument.Options) Options {
    65  	o.iOpts = io
    66  	return o
    67  }
    68  
    69  func (o *opts) InstrumentOptions() instrument.Options {
    70  	return o.iOpts
    71  }
    72  
    73  func (o *opts) SetGenerateOptions(op generate.Options) Options {
    74  	o.generateOpts = op
    75  	return o
    76  }
    77  
    78  func (o *opts) GenerateOptions() generate.Options {
    79  	return o.generateOpts
    80  }
    81  
    82  func (o *opts) SetRandSource(src rand.Source) Options {
    83  	o.source = src
    84  	return o
    85  }
    86  
    87  func (o *opts) RandSource() rand.Source {
    88  	return o.source
    89  }
    90  
    91  func (o *opts) SetNumIDs(ni int) Options {
    92  	o.numIDs = ni
    93  	return o
    94  }
    95  
    96  func (o *opts) NumIDs() int {
    97  	return o.numIDs
    98  }
    99  
   100  func (o *opts) SetMinNumPointsPerID(m int) Options {
   101  	o.minPointsPerID = m
   102  	return o
   103  }
   104  
   105  func (o *opts) MinNumPointsPerID() int {
   106  	return o.minPointsPerID
   107  }
   108  
   109  func (o *opts) SetMaxNumPointsPerID(m int) Options {
   110  	o.maxPointsPerID = m
   111  	return o
   112  }
   113  
   114  func (o *opts) MaxNumPointsPerID() int {
   115  	return o.maxPointsPerID
   116  }
   117  
   118  func (o *opts) SetIDLengthMean(l float64) Options {
   119  	o.idLenMean = l
   120  	return o
   121  }
   122  
   123  func (o *opts) IDLengthMean() float64 {
   124  	return o.idLenMean
   125  }
   126  
   127  func (o *opts) SetIDLengthStddev(l float64) Options {
   128  	o.idLenStddev = l
   129  	return o
   130  }
   131  
   132  func (o *opts) IDLengthStddev() float64 {
   133  	return o.idLenStddev
   134  }