/
options.go
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/
options.go
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// Copyright (c) 2019 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package block
import (
"time"
)
var (
defaultTimeTransform = func(t time.Time) time.Time { return t }
defaultMetaTransform = func(meta Metadata) Metadata { return meta }
defaultValueTransform = func(val float64) float64 { return val }
)
type lazyOpts struct {
timeTransform TimeTransform
metaTransform MetaTransform
valueTransform ValueTransform
}
// NewLazyOpts creates LazyOpts with default values.
func NewLazyOpts() LazyOptions {
return &lazyOpts{
timeTransform: defaultTimeTransform,
metaTransform: defaultMetaTransform,
valueTransform: defaultValueTransform,
}
}
func (o *lazyOpts) SetTimeTransform(tt TimeTransform) LazyOptions {
opts := *o
opts.timeTransform = tt
return &opts
}
func (o *lazyOpts) TimeTransform() TimeTransform {
return o.timeTransform
}
func (o *lazyOpts) SetMetaTransform(mt MetaTransform) LazyOptions {
opts := *o
opts.metaTransform = mt
return &opts
}
func (o *lazyOpts) MetaTransform() MetaTransform {
return o.metaTransform
}
func (o *lazyOpts) SetValueTransform(vt ValueTransform) LazyOptions {
opts := *o
opts.valueTransform = vt
return &opts
}
func (o *lazyOpts) ValueTransform() ValueTransform {
return o.valueTransform
}