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series_iter.go
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series_iter.go
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// Copyright (c) 2020 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
// NewUnconsolidatedSeriesIter returns a new unconsolidated series iterator.
func NewUnconsolidatedSeriesIter(
series []UnconsolidatedSeries,
) SeriesIter {
metas := make([]SeriesMeta, 0, len(series))
for _, elem := range series {
metas = append(metas, elem.Meta)
}
return &unconsolidatedSeriesIter{
idx: -1,
series: series,
metas: metas,
}
}
type unconsolidatedSeriesIter struct {
idx int
series []UnconsolidatedSeries
metas []SeriesMeta
}
func (i *unconsolidatedSeriesIter) Next() bool {
i.idx++
if i.idx >= len(i.series) {
return false
}
return true
}
func (i *unconsolidatedSeriesIter) Err() error {
return nil
}
func (i *unconsolidatedSeriesIter) Close() {
}
func (i *unconsolidatedSeriesIter) SeriesMeta() []SeriesMeta {
return i.metas
}
func (i *unconsolidatedSeriesIter) SeriesCount() int {
return len(i.series)
}
func (i *unconsolidatedSeriesIter) Current() UnconsolidatedSeries {
return i.series[i.idx]
}