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opentelemetry-go/sdk/metric/processor/basic/config.go
Joshua MacDonald 3475d5575e
Fix incorrect aggregation; Prometheus exporter behavior (#903)
* Avoid applying stale udpates; add a test

* Add Memory option to basic processor

* Always use memory in the pull controller

* Test the memory option

* Precommit

* Add a Prometheus-specific test

* More comment on Memory option

* Link to 862

* Remove sleep

* Update changelog

* Comment on stale and stateless aggregators

* Update sdk/metric/processor/basic/config.go

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>

Co-authored-by: Liz Fong-Jones <lizf@honeycomb.io>
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
2020-07-07 12:52:35 -07:00

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1.4 KiB
Go

// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package basic // import "go.opentelemetry.io/otel/sdk/metric/processor/basic"
// Config contains the options for configuring a basic metric processor.
type Config struct {
// Memory controls whether the processor remembers metric
// instruments and label sets that were previously reported.
// When Memory is true, CheckpointSet.ForEach() will visit
// metrics that were not updated in the most recent interval.
Memory bool
}
type Option interface {
ApplyProcessor(*Config)
}
// WithMemory sets the memory behavior of a Processor. If this is
// true, the processor will report metric instruments and label sets
// that were previously reported but not updated in the most recent
// interval.
func WithMemory(memory bool) Option {
return memoryOption(memory)
}
type memoryOption bool
func (m memoryOption) ApplyProcessor(config *Config) {
config.Memory = bool(m)
}