github.com/m3db/m3@v1.5.0/src/aggregator/client/m3msg_options.go (about)

     1  // Copyright (c) 2020 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 client
    22  
    23  import (
    24  	"errors"
    25  
    26  	"github.com/m3db/m3/src/msg/producer"
    27  	"github.com/m3db/m3/src/x/instrument"
    28  )
    29  
    30  var (
    31  	errM3MsgOptionsNoProducer = errors.New("no producer set")
    32  
    33  	// defaultM3MsgTimerOptions by defaults ensures to use
    34  	// low overhead timers for M3Msg clients (can't do this
    35  	// for legacy clients since people depend on those stats being
    36  	// non-histograms).
    37  	defaultM3MsgTimerOptions = instrument.TimerOptions{
    38  		Type:             instrument.HistogramTimerType,
    39  		HistogramBuckets: instrument.DefaultHistogramTimerHistogramBuckets(),
    40  	}
    41  )
    42  
    43  // M3MsgOptions is a set of M3Msg client options.
    44  type M3MsgOptions interface {
    45  	// Validate validates the M3Msg client options.
    46  	Validate() error
    47  
    48  	// SetProducer sets the producer.
    49  	SetProducer(value producer.Producer) M3MsgOptions
    50  
    51  	// Producer gets the producer.
    52  	Producer() producer.Producer
    53  
    54  	// SetTimerOptions sets the instrument timer options.
    55  	SetTimerOptions(value instrument.TimerOptions) M3MsgOptions
    56  
    57  	// TimerOptions gets the instrument timer options.
    58  	TimerOptions() instrument.TimerOptions
    59  }
    60  
    61  type m3msgOptions struct {
    62  	producer     producer.Producer
    63  	timerOptions instrument.TimerOptions
    64  }
    65  
    66  // NewM3MsgOptions returns a new set of M3Msg options.
    67  func NewM3MsgOptions() M3MsgOptions {
    68  	return &m3msgOptions{
    69  		timerOptions: defaultM3MsgTimerOptions,
    70  	}
    71  }
    72  
    73  func (o *m3msgOptions) Validate() error {
    74  	if o.producer == nil {
    75  		return errM3MsgOptionsNoProducer
    76  	}
    77  	return nil
    78  }
    79  
    80  func (o *m3msgOptions) SetProducer(value producer.Producer) M3MsgOptions {
    81  	opts := *o
    82  	opts.producer = value
    83  	return &opts
    84  }
    85  
    86  func (o *m3msgOptions) Producer() producer.Producer {
    87  	return o.producer
    88  }
    89  
    90  func (o *m3msgOptions) SetTimerOptions(value instrument.TimerOptions) M3MsgOptions {
    91  	opts := *o
    92  	opts.timerOptions = value
    93  	return &opts
    94  }
    95  
    96  func (o *m3msgOptions) TimerOptions() instrument.TimerOptions {
    97  	return o.timerOptions
    98  }