github.com/m3db/m3@v1.5.0/src/x/watch/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 watch
    22  
    23  import (
    24  	"time"
    25  
    26  	"github.com/m3db/m3/src/x/instrument"
    27  )
    28  
    29  const (
    30  	defaultInitWatchTimeout = 10 * time.Second
    31  )
    32  
    33  // Options provide a set of value options.
    34  type Options interface {
    35  	// SetInstrumentOptions sets the instrument options.
    36  	SetInstrumentOptions(value instrument.Options) Options
    37  
    38  	// InstrumentOptions returns the instrument options.
    39  	InstrumentOptions() instrument.Options
    40  
    41  	// SetInitWatchTimeout sets the initial watch timeout.
    42  	SetInitWatchTimeout(value time.Duration) Options
    43  
    44  	// InitWatchTimeout returns the initial watch timeout.
    45  	InitWatchTimeout() time.Duration
    46  
    47  	// SetNewUpdatableFn sets the new updatable function.
    48  	SetNewUpdatableFn(value NewUpdatableFn) Options
    49  
    50  	// NewUpdatableFn returns the new updatable function.
    51  	NewUpdatableFn() NewUpdatableFn
    52  
    53  	// SetGetUpdateFn sets the get function.
    54  	SetGetUpdateFn(value GetUpdateFn) Options
    55  
    56  	// GetUpdateFn returns the get function.
    57  	GetUpdateFn() GetUpdateFn
    58  
    59  	// SetProcessFn sets the process function.
    60  	SetProcessFn(value ProcessFn) Options
    61  
    62  	// ProcessFn returns the process function.
    63  	ProcessFn() ProcessFn
    64  
    65  	// Key returns the key for the watch.
    66  	Key() string
    67  
    68  	// SetKey sets the key for the watch.
    69  	SetKey(key string) Options
    70  
    71  	// InterruptedCh returns the interrupted channel.
    72  	InterruptedCh() <-chan struct{}
    73  
    74  	// SetInterruptedCh sets the interrupted channel.
    75  	SetInterruptedCh(value <-chan struct{}) Options
    76  }
    77  
    78  type options struct {
    79  	instrumentOpts   instrument.Options
    80  	initWatchTimeout time.Duration
    81  	newUpdatableFn   NewUpdatableFn
    82  	getUpdateFn      GetUpdateFn
    83  	processFn        ProcessFn
    84  	key              string
    85  	interruptedCh    <-chan struct{}
    86  }
    87  
    88  // NewOptions creates a new set of options.
    89  func NewOptions() Options {
    90  	return &options{
    91  		instrumentOpts:   instrument.NewOptions(),
    92  		initWatchTimeout: defaultInitWatchTimeout,
    93  	}
    94  }
    95  
    96  func (o *options) SetInstrumentOptions(value instrument.Options) Options {
    97  	opts := *o
    98  	opts.instrumentOpts = value
    99  	return &opts
   100  }
   101  
   102  func (o *options) InstrumentOptions() instrument.Options {
   103  	return o.instrumentOpts
   104  }
   105  
   106  func (o *options) SetInitWatchTimeout(value time.Duration) Options {
   107  	opts := *o
   108  	opts.initWatchTimeout = value
   109  	return &opts
   110  }
   111  
   112  func (o *options) InitWatchTimeout() time.Duration {
   113  	return o.initWatchTimeout
   114  }
   115  
   116  func (o *options) SetNewUpdatableFn(value NewUpdatableFn) Options {
   117  	opts := *o
   118  	opts.newUpdatableFn = value
   119  	return &opts
   120  }
   121  
   122  func (o *options) NewUpdatableFn() NewUpdatableFn {
   123  	return o.newUpdatableFn
   124  }
   125  
   126  func (o *options) SetGetUpdateFn(value GetUpdateFn) Options {
   127  	opts := *o
   128  	opts.getUpdateFn = value
   129  	return &opts
   130  }
   131  
   132  func (o *options) GetUpdateFn() GetUpdateFn {
   133  	return o.getUpdateFn
   134  }
   135  
   136  func (o *options) SetProcessFn(value ProcessFn) Options {
   137  	opts := *o
   138  	opts.processFn = value
   139  	return &opts
   140  }
   141  
   142  func (o *options) ProcessFn() ProcessFn {
   143  	return o.processFn
   144  }
   145  
   146  func (o *options) Key() string {
   147  	return o.key
   148  }
   149  
   150  func (o *options) SetKey(key string) Options {
   151  	opts := *o
   152  	opts.key = key
   153  	return &opts
   154  }
   155  
   156  func (o *options) InterruptedCh() <-chan struct{} {
   157  	return o.interruptedCh
   158  }
   159  
   160  func (o *options) SetInterruptedCh(ch <-chan struct{}) Options {
   161  	o.interruptedCh = ch
   162  	return o
   163  }