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tick_result.go
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tick_result.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 aggregator
import "time"
type tickResultForMetricCategory struct {
activeEntries int
expiredEntries int
activeElems map[time.Duration]int
}
func (r *tickResultForMetricCategory) merge(
other tickResultForMetricCategory,
) tickResultForMetricCategory {
res := tickResultForMetricCategory{
activeEntries: r.activeEntries + other.activeEntries,
expiredEntries: r.expiredEntries + other.expiredEntries,
}
if len(r.activeElems) == 0 {
res.activeElems = other.activeElems
return res
}
if len(other.activeElems) == 0 {
res.activeElems = r.activeElems
return res
}
for dur, val := range other.activeElems {
r.activeElems[dur] += val
}
res.activeElems = r.activeElems
return res
}
type tickResult struct {
standard tickResultForMetricCategory
forwarded tickResultForMetricCategory
timed tickResultForMetricCategory
}
// merge merges two results. Both input results may become invalid after merge is called.
func (r *tickResult) merge(other tickResult) tickResult {
return tickResult{
standard: r.standard.merge(other.standard),
forwarded: r.forwarded.merge(other.forwarded),
timed: r.timed.merge(other.timed),
}
}