github.com/m3db/m3@v1.5.0/src/query/executor/options.go (about)

     1  // Copyright (c) 2019 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 executor
    22  
    23  import (
    24  	"time"
    25  
    26  	"github.com/m3db/m3/src/query/parser/promql"
    27  	"github.com/m3db/m3/src/query/storage"
    28  	"github.com/m3db/m3/src/x/instrument"
    29  )
    30  
    31  type engineOptions struct {
    32  	instrumentOpts   instrument.Options
    33  	store            storage.Storage
    34  	parseOptions     promql.ParseOptions
    35  	lookbackDuration time.Duration
    36  }
    37  
    38  // NewEngineOptions returns a new instance of options used to create an engine.
    39  func NewEngineOptions() EngineOptions {
    40  	return &engineOptions{
    41  		parseOptions: promql.NewParseOptions(),
    42  	}
    43  }
    44  
    45  func (o *engineOptions) InstrumentOptions() instrument.Options {
    46  	return o.instrumentOpts
    47  }
    48  
    49  func (o *engineOptions) SetInstrumentOptions(v instrument.Options) EngineOptions {
    50  	opts := *o
    51  	opts.instrumentOpts = v
    52  	return &opts
    53  }
    54  
    55  func (o *engineOptions) Store() storage.Storage {
    56  	return o.store
    57  }
    58  
    59  func (o *engineOptions) SetStore(v storage.Storage) EngineOptions {
    60  	opts := *o
    61  	opts.store = v
    62  	return &opts
    63  }
    64  
    65  func (o *engineOptions) LookbackDuration() time.Duration {
    66  	return o.lookbackDuration
    67  }
    68  
    69  func (o *engineOptions) SetLookbackDuration(v time.Duration) EngineOptions {
    70  	opts := *o
    71  	opts.lookbackDuration = v
    72  	return &opts
    73  }
    74  
    75  func (o *engineOptions) ParseOptions() promql.ParseOptions {
    76  	return o.parseOptions
    77  }
    78  
    79  func (o *engineOptions) SetParseOptions(p promql.ParseOptions) EngineOptions {
    80  	opts := *o
    81  	opts.parseOptions = p
    82  	return &opts
    83  }