mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
b5292b8459
* Add the cache type * Add cache unit tests * Test cache concurrency * Add the instrumentCache * Use the instrumentCache to deduplicate creation * Drop unique check from addAggregator * Fix aggregatorCache* docs * Update cachedAggregator and aggregator method docs * Remove unnecessary type constraint * Remove unused errAlreadyRegistered * Rename to not shadow imports * Add changes to changelog * Fix changelog English * Store resolvers in the meter instead of caches * Test all Aggregator[N] impls are comparable * Fix lint * Add documentation that Aggregators need to be comparable * Update sdk/metric/internal/aggregator.go Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * Update sdk/metric/instrument.go Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * Update sdk/metric/instrument.go Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * Update sdk/metric/internal/aggregator_test.go Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * Fix pipeline_test.go use of newInstrumentCache Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
97 lines
3.4 KiB
Go
97 lines
3.4 KiB
Go
// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package metric // import "go.opentelemetry.io/otel/sdk/metric"
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import (
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"context"
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"go.opentelemetry.io/otel/attribute"
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"go.opentelemetry.io/otel/metric/instrument"
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"go.opentelemetry.io/otel/metric/instrument/asyncfloat64"
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"go.opentelemetry.io/otel/metric/instrument/asyncint64"
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"go.opentelemetry.io/otel/metric/instrument/syncfloat64"
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"go.opentelemetry.io/otel/metric/instrument/syncint64"
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"go.opentelemetry.io/otel/metric/unit"
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"go.opentelemetry.io/otel/sdk/metric/internal"
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"go.opentelemetry.io/otel/sdk/metric/metricdata"
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)
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// instrumentID are the identifying properties of an instrument.
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type instrumentID struct {
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// Name is the name of the instrument.
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Name string
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// Description is the description of the instrument.
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Description string
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// Unit is the unit of the instrument.
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Unit unit.Unit
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// Aggregation is the aggregation data type of the instrument.
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Aggregation string
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// Monotonic is the monotonicity of an instruments data type. This field is
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// not used for all data types, so a zero value needs to be understood in the
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// context of Aggregation.
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Monotonic bool
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// Temporality is the temporality of an instrument's data type. This field
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// is not used by some data types.
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Temporality metricdata.Temporality
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// Number is the number type of the instrument.
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Number string
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}
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type instrumentImpl[N int64 | float64] struct {
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instrument.Asynchronous
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instrument.Synchronous
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aggregators []internal.Aggregator[N]
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}
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var _ asyncfloat64.Counter = &instrumentImpl[float64]{}
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var _ asyncfloat64.UpDownCounter = &instrumentImpl[float64]{}
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var _ asyncfloat64.Gauge = &instrumentImpl[float64]{}
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var _ asyncint64.Counter = &instrumentImpl[int64]{}
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var _ asyncint64.UpDownCounter = &instrumentImpl[int64]{}
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var _ asyncint64.Gauge = &instrumentImpl[int64]{}
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var _ syncfloat64.Counter = &instrumentImpl[float64]{}
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var _ syncfloat64.UpDownCounter = &instrumentImpl[float64]{}
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var _ syncfloat64.Histogram = &instrumentImpl[float64]{}
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var _ syncint64.Counter = &instrumentImpl[int64]{}
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var _ syncint64.UpDownCounter = &instrumentImpl[int64]{}
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var _ syncint64.Histogram = &instrumentImpl[int64]{}
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func (i *instrumentImpl[N]) Observe(ctx context.Context, val N, attrs ...attribute.KeyValue) {
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// Only record a value if this is being called from the MetricProvider.
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_, ok := ctx.Value(produceKey).(struct{})
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if !ok {
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return
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}
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i.aggregate(ctx, val, attrs)
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}
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func (i *instrumentImpl[N]) Add(ctx context.Context, val N, attrs ...attribute.KeyValue) {
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i.aggregate(ctx, val, attrs)
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}
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func (i *instrumentImpl[N]) Record(ctx context.Context, val N, attrs ...attribute.KeyValue) {
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i.aggregate(ctx, val, attrs)
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}
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func (i *instrumentImpl[N]) aggregate(ctx context.Context, val N, attrs []attribute.KeyValue) {
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if err := ctx.Err(); err != nil {
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return
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}
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for _, agg := range i.aggregators {
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agg.Aggregate(val, attribute.NewSet(attrs...))
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}
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}
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