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quantile_value.go
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/
quantile_value.go
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// 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 otlp
import (
"github.com/apache/arrow/go/v12/arrow"
"go.opentelemetry.io/collector/pdata/pmetric"
arrowutils "github.com/f5/otel-arrow-adapter/pkg/arrow"
"github.com/f5/otel-arrow-adapter/pkg/otel/constants"
"github.com/f5/otel-arrow-adapter/pkg/werror"
)
type QuantileValueIds struct {
Id int
Quantile int
Value int
}
func NewQuantileValueIds(schema *arrow.Schema) (*QuantileValueIds, error) {
id, quantileValueDT, err := arrowutils.ListOfStructsFieldIDFromSchema(schema, constants.SummaryQuantileValues)
if err != nil {
return nil, werror.Wrap(err)
}
quantile, _ := arrowutils.FieldIDFromStruct(quantileValueDT, constants.SummaryQuantile)
value, _ := arrowutils.FieldIDFromStruct(quantileValueDT, constants.SummaryValue)
return &QuantileValueIds{
Id: id,
Quantile: quantile,
Value: value,
}, nil
}
func AppendQuantileValuesInto(quantileSlice pmetric.SummaryDataPointValueAtQuantileSlice, record arrow.Record, ndpIdx int, ids *QuantileValueIds) error {
quantileValues, err := arrowutils.ListOfStructsFromRecord(record, ids.Id, ndpIdx)
if err != nil {
return werror.Wrap(err)
}
if quantileValues == nil {
return nil
}
for quantileIdx := quantileValues.Start(); quantileIdx < quantileValues.End(); quantileIdx++ {
quantileValue := quantileSlice.AppendEmpty()
if quantileValues.IsNull(quantileIdx) {
continue
}
quantile, err := quantileValues.F64FieldByID(ids.Quantile, quantileIdx)
if err != nil {
return werror.Wrap(err)
}
quantileValue.SetQuantile(quantile)
value, err := quantileValues.F64FieldByID(ids.Value, quantileIdx)
if err != nil {
return werror.Wrap(err)
}
quantileValue.SetValue(value)
}
return nil
}