@opentelemetry/sdk-metrics
Version:
83 lines • 2.67 kB
JavaScript
"use strict";
/*
* 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.AttributeHashMap = exports.HashMap = void 0;
const utils_1 = require("../utils");
class HashMap {
_hash;
_valueMap = new Map();
_keyMap = new Map();
constructor(_hash) {
this._hash = _hash;
}
get(key, hashCode) {
hashCode ??= this._hash(key);
return this._valueMap.get(hashCode);
}
getOrDefault(key, defaultFactory) {
const hash = this._hash(key);
if (this._valueMap.has(hash)) {
return this._valueMap.get(hash);
}
const val = defaultFactory();
if (!this._keyMap.has(hash)) {
this._keyMap.set(hash, key);
}
this._valueMap.set(hash, val);
return val;
}
set(key, value, hashCode) {
hashCode ??= this._hash(key);
if (!this._keyMap.has(hashCode)) {
this._keyMap.set(hashCode, key);
}
this._valueMap.set(hashCode, value);
}
has(key, hashCode) {
hashCode ??= this._hash(key);
return this._valueMap.has(hashCode);
}
*keys() {
const keyIterator = this._keyMap.entries();
let next = keyIterator.next();
while (next.done !== true) {
yield [next.value[1], next.value[0]];
next = keyIterator.next();
}
}
*entries() {
const valueIterator = this._valueMap.entries();
let next = valueIterator.next();
while (next.done !== true) {
// next.value[0] here can not be undefined
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
yield [this._keyMap.get(next.value[0]), next.value[1], next.value[0]];
next = valueIterator.next();
}
}
get size() {
return this._valueMap.size;
}
}
exports.HashMap = HashMap;
class AttributeHashMap extends HashMap {
constructor() {
super(utils_1.hashAttributes);
}
}
exports.AttributeHashMap = AttributeHashMap;
//# sourceMappingURL=HashMap.js.map