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expr_matcher.go
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/
expr_matcher.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 filtermetric // import "github.com/yubo/opentelemetry-collector/internal/coreinternal/processor/filtermetric"
import (
"go.opentelemetry.io/collector/model/pdata"
"github.com/yubo/opentelemetry-collector/internal/coreinternal/processor/filterexpr"
)
type exprMatcher struct {
matchers []*filterexpr.Matcher
}
func newExprMatcher(expressions []string) (*exprMatcher, error) {
m := &exprMatcher{}
for _, expression := range expressions {
matcher, err := filterexpr.NewMatcher(expression)
if err != nil {
return nil, err
}
m.matchers = append(m.matchers, matcher)
}
return m, nil
}
func (m *exprMatcher) MatchMetric(metric pdata.Metric) (bool, error) {
for _, matcher := range m.matchers {
matched, err := matcher.MatchMetric(metric)
if err != nil {
return false, err
}
if matched {
return true, nil
}
}
return false, nil
}