@opentelemetry/sdk-metrics
Version:
55 lines • 2.13 kB
JavaScript
;
/*
* 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
*
* https://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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.FilteringAttributesProcessor = exports.NoopAttributesProcessor = exports.AttributesProcessor = void 0;
/**
* The {@link AttributesProcessor} is responsible for customizing which
* attribute(s) are to be reported as metrics dimension(s) and adding
* additional dimension(s) from the {@link Context}.
*/
class AttributesProcessor {
static Noop() {
return NOOP;
}
}
exports.AttributesProcessor = AttributesProcessor;
class NoopAttributesProcessor extends AttributesProcessor {
process(incoming, _context) {
return incoming;
}
}
exports.NoopAttributesProcessor = NoopAttributesProcessor;
/**
* {@link AttributesProcessor} that filters by allowed attribute names and drops any names that are not in the
* allow list.
*/
class FilteringAttributesProcessor extends AttributesProcessor {
constructor(_allowedAttributeNames) {
super();
this._allowedAttributeNames = _allowedAttributeNames;
}
process(incoming, _context) {
const filteredAttributes = {};
Object.keys(incoming)
.filter(attributeName => this._allowedAttributeNames.includes(attributeName))
.forEach(attributeName => (filteredAttributes[attributeName] = incoming[attributeName]));
return filteredAttributes;
}
}
exports.FilteringAttributesProcessor = FilteringAttributesProcessor;
const NOOP = new NoopAttributesProcessor();
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