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mirror of https://github.com/open-telemetry/opentelemetry-go.git synced 2024-12-14 10:13:10 +02:00
opentelemetry-go/sdk/metric/controller/pull/config.go
Joshua MacDonald 0e2fdfc682
Support cumulative, delta, and pass-through exporters (#840)
* Update Process()

* Checkpoint

* Add subtractor; fix test

* Fix all simple integrator tests

* Build the rest (checkpoint)

* Pass all but Prometheus tests

* Precommit pass

* Add aggregation.Kind argument to ExportKindFor

* Remove Subtractor support

* Remove dead test code

* Restore the Subtractor code

* Fix the tests

* Comments

* Add tests for MetricKind

* Add ChangeSign test

* Test ExportKind

* New file

* Rename ChangeSign

* Remove a TODO, add a TODO

* Remove Stateful remnants

* Typo

* Typo

* Test an invalid export kind

* Comments

* Lint

* Apply suggestions from code review

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

Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
2020-06-22 22:59:51 -07:00

65 lines
1.8 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 pull
import (
"time"
"go.opentelemetry.io/otel/sdk/resource"
)
// Config contains configuration for a pull Controller.
type Config struct {
// Resource is the OpenTelemetry resource associated with all Meters
// created by the Controller.
Resource *resource.Resource
// CachePeriod is the period which a recently-computed result
// will be returned without gathering metric data again.
//
// If the period is zero, caching of the result is disabled.
// The default value is 10 seconds.
CachePeriod time.Duration
}
// Option is the interface that applies the value to a configuration option.
type Option interface {
// Apply sets the Option value of a Config.
Apply(*Config)
}
// WithResource sets the Resource configuration option of a Config.
func WithResource(r *resource.Resource) Option {
return resourceOption{r}
}
type resourceOption struct{ *resource.Resource }
func (o resourceOption) Apply(config *Config) {
config.Resource = o.Resource
}
// WithCachePeriod sets the CachePeriod configuration option of a Config.
func WithCachePeriod(cachePeriod time.Duration) Option {
return cachePeriodOption(cachePeriod)
}
type cachePeriodOption time.Duration
func (o cachePeriodOption) Apply(config *Config) {
config.CachePeriod = time.Duration(o)
}