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types.go
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types.go
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// Copyright (c) 2018 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 m3db
import (
"time"
"github.com/m3db/m3/src/dbnode/encoding"
"github.com/m3db/m3x/ident"
)
// SeriesBlock contains the individual series iterators
type SeriesBlock struct {
start time.Time
end time.Time
seriesIterator encoding.SeriesIterator
}
// SeriesBlocks contain information about the timeseries that gets returned from m3db.
// This includes meta data such as the ID, namespace and tags as well as the actual
// series iterators that contain the datapoints.
type SeriesBlocks struct {
ID ident.ID
Namespace ident.ID
Tags ident.TagIterator
Blocks []SeriesBlock
}
// MultiNamespaceSeries is a single timeseries for multiple namespaces
type MultiNamespaceSeries []SeriesBlocks
// ID enforces the same ID across namespaces
func (n MultiNamespaceSeries) ID() ident.ID { return n[0].ID }
// NamespaceSeriesList represents a single namespace with multiple series
type NamespaceSeriesList struct {
Namespace string
SeriesList []SeriesBlocks
}
// ConsolidatedNSBlock is a single block for a given timeseries and namespace
// which contains all of the necessary SeriesIterators so that consolidation can
// happen across namespaces
type ConsolidatedNSBlock struct {
ID ident.ID
Namespace ident.ID
Start time.Time
End time.Time
SeriesIterators encoding.SeriesIterators
}
func (c ConsolidatedNSBlock) beyondBounds(consolidatedSeriesBlock ConsolidatedSeriesBlock) bool {
if c.Start != consolidatedSeriesBlock.Start || c.End != consolidatedSeriesBlock.End {
return false
}
return true
}
// ConsolidatedSeriesBlock is a single series consolidated across different namespaces
// for a single block
type ConsolidatedSeriesBlock struct {
Start time.Time
End time.Time
ConsolidatedNSBlocks []ConsolidatedNSBlock
consolidationFunc ConsolidationFunc // nolint
}
func (c ConsolidatedSeriesBlock) beyondBounds(multiSeriesBlock MultiSeriesBlock) bool {
if c.Start != multiSeriesBlock.Start || c.End != multiSeriesBlock.End {
return false
}
return true
}
// ConsolidationFunc determines how to consolidate across namespaces
type ConsolidationFunc func(existing, toAdd float64, count int) float64
// ConsolidatedSeriesBlocks contain all of the consolidated blocks for
// a single timeseries across namespaces.
// Each ConsolidatedBlockIterator will have the same size
type ConsolidatedSeriesBlocks []ConsolidatedSeriesBlock
// MultiSeriesBlock represents a vertically oriented block
type MultiSeriesBlock struct {
Start time.Time
End time.Time
Blocks ConsolidatedSeriesBlocks
}
// MultiSeriesBlocks is a slice of MultiSeriesBlock
// todo(braskin): add close method on this to close each SeriesIterator
type MultiSeriesBlocks []MultiSeriesBlock
// Close closes the series iterator in a SeriesBlock
func (s SeriesBlock) Close() {
s.seriesIterator.Close()
}
// Close closes the underlaying series iterator within each SeriesBlock
// as well as the ID, Namespace, and Tags.
func (s SeriesBlocks) Close() {
for _, seriesBlock := range s.Blocks {
seriesBlock.Close()
}
s.Tags.Close()
s.Namespace.Finalize()
s.ID.Finalize()
}