| 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.TagMap = void 0;
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| 19 | const types_1 = require("./types");
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| 20 | const validation_1 = require("./validation");
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| 21 | const UNLIMITED_PROPAGATION_MD = {
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| 22 | tagTtl: types_1.TagTtl.UNLIMITED_PROPAGATION,
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| 23 | };
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| 24 | /** TagMap is maps of TagKey -> TagValueWithMetadata */
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| 25 | class TagMap {
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| 26 | constructor() {
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| 27 | // A map mapping TagKey to to its respective TagValueWithMetadata.
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| 28 | this.registeredTags = new Map();
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| 29 | }
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| 30 | /**
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| 31 | * Adds the key/value pair regardless of whether the key is present.
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| 32 | * @param tagKey The TagKey which will be set.
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| 33 | * @param tagValue The TagValue to set for the given key.
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| 34 | * @param tagMetadata The TagMetadata associated with this Tag.
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| 35 | */
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| 36 | set(tagKey, tagValue, tagMetadata) {
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| 37 | if (!validation_1.isValidTagKey(tagKey) || !validation_1.isValidTagValue(tagValue))
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| 38 | return;
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| 39 | let existingKey;
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| 40 | for (const key of this.registeredTags.keys()) {
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| 41 | if (key.name === tagKey.name) {
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| 42 | existingKey = key;
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| 43 | break;
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| 44 | }
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| 45 | }
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| 46 | if (existingKey)
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| 47 | this.registeredTags.delete(existingKey);
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| 48 | const valueWithMetadata = this.getValueWithMetadata(tagValue, tagMetadata);
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| 49 | this.registeredTags.set(tagKey, valueWithMetadata);
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| 50 | }
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| 51 | /**
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| 52 | * Deletes a tag from the map if the key is in the map.
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| 53 | * @param tagKey The TagKey which will be removed.
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| 54 | */
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| 55 | delete(tagKey) {
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| 56 | this.registeredTags.delete(tagKey);
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| 57 | }
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| 58 | /** Gets the tags map without metadata. */
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| 59 | get tags() {
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| 60 | const tagsWithoutMetadata = new Map();
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| 61 | for (const [tagKey, valueWithMetadata] of this.registeredTags) {
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| 62 | tagsWithoutMetadata.set(tagKey, valueWithMetadata.tagValue);
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| 63 | }
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| 64 | return tagsWithoutMetadata;
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| 65 | }
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| 66 | /** Gets the tags map with metadata. */
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| 67 | get tagsWithMetadata() {
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| 68 | return this.registeredTags;
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| 69 | }
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| 70 | /**
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| 71 | * Constructs a new TagValueWithMetadata using tagValue and tagMetadata.
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| 72 | * For backwards-compatibility this method still produces propagating Tags
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| 73 | * (UNLIMITED_PROPAGATION) if tagMetadata is not provided or missing.
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| 74 | */
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| 75 | getValueWithMetadata(tagValue, tagMetadata) {
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| 76 | if (tagMetadata) {
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| 77 | return { tagValue, tagMetadata };
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| 78 | }
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| 79 | return { tagValue, tagMetadata: UNLIMITED_PROPAGATION_MD };
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| 80 | }
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| 81 | }
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| 82 | exports.TagMap = TagMap;
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| 83 | //# sourceMappingURL=tag-map.js.map |
| \ | No newline at end of file |