| 1 | ;
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| 2 | /**
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| 3 | * Copyright 2019, OpenCensus Authors
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| 4 | *
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| 5 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 6 | * you may not use this file except in compliance with the License.
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| 7 | * You may obtain a copy of the License at
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| 8 | *
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0
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| 10 | *
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| 11 | * Unless required by applicable law or agreed to in writing, software
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | * See the License for the specific language governing permissions and
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| 15 | * limitations under the License.
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| 16 | */
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| 17 | Object.defineProperty(exports, "__esModule", { value: true });
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| 18 | exports.metricProducerManagerInstance = void 0;
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| 19 | const validations_1 = require("../../common/validations");
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| 20 | /**
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| 21 | * Keeps a set of MetricProducer that is used by exporters to determine the
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| 22 | * metrics that need to be exported.
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| 23 | */
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| 24 | class BaseMetricProducerManager {
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| 25 | constructor() {
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| 26 | this.metricProducers = new Set();
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| 27 | }
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| 28 | /** Gets the instance. */
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| 29 | static get instance() {
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| 30 | return this.singletonInstance || (this.singletonInstance = new this());
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| 31 | }
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| 32 | /**
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| 33 | * Adds the MetricProducer to the manager if it is not already present.
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| 34 | *
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| 35 | * @param metricProducer The MetricProducer to be added to the manager.
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| 36 | */
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| 37 | add(metricProducer) {
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| 38 | validations_1.validateNotNull(metricProducer, 'metricProducer');
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| 39 | if (!this.metricProducers.has(metricProducer)) {
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| 40 | this.metricProducers.add(metricProducer);
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| 41 | }
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| 42 | }
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| 43 | /**
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| 44 | * Removes the MetricProducer to the manager if it is present.
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| 45 | *
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| 46 | * @param metricProducer The MetricProducer to be removed from the manager.
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| 47 | */
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| 48 | remove(metricProducer) {
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| 49 | validations_1.validateNotNull(metricProducer, 'metricProducer');
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| 50 | this.metricProducers.delete(metricProducer);
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| 51 | }
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| 52 | /**
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| 53 | * Clears all MetricProducers.
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| 54 | */
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| 55 | removeAll() {
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| 56 | this.metricProducers.clear();
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| 57 | }
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| 58 | /**
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| 59 | * Returns all registered MetricProducers that should be exported.
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| 60 | *
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| 61 | * This method should be used by any metrics exporter that automatically
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| 62 | * exports data for MetricProducer registered with the MetricProducerManager.
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| 63 | *
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| 64 | * @return {Set<MetricProducer>} The Set of MetricProducers.
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| 65 | */
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| 66 | getAllMetricProducer() {
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| 67 | return this.metricProducers;
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| 68 | }
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| 69 | }
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| 70 | exports.metricProducerManagerInstance = BaseMetricProducerManager.instance;
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| 71 | //# sourceMappingURL=metric-producer-manager.js.map |
| \ | No newline at end of file |