90 lines
2.4 KiB
TypeScript
90 lines
2.4 KiB
TypeScript
/*
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* Copyright The OpenTelemetry Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {
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API_BACKWARDS_COMPATIBILITY_VERSION,
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GLOBAL_LOGS_API_KEY,
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_global,
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makeGetter,
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} from '../internal/global-utils';
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import { LoggerProvider } from '../types/LoggerProvider';
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import { NOOP_LOGGER_PROVIDER } from '../NoopLoggerProvider';
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import { Logger } from '../types/Logger';
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import { LoggerOptions } from '../types/LoggerOptions';
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import { ProxyLoggerProvider } from '../ProxyLoggerProvider';
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export class LogsAPI {
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private static _instance?: LogsAPI;
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private _proxyLoggerProvider = new ProxyLoggerProvider();
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private constructor() {}
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public static getInstance(): LogsAPI {
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if (!this._instance) {
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this._instance = new LogsAPI();
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}
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return this._instance;
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}
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public setGlobalLoggerProvider(provider: LoggerProvider): LoggerProvider {
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if (_global[GLOBAL_LOGS_API_KEY]) {
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return this.getLoggerProvider();
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}
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_global[GLOBAL_LOGS_API_KEY] = makeGetter<LoggerProvider>(
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API_BACKWARDS_COMPATIBILITY_VERSION,
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provider,
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NOOP_LOGGER_PROVIDER
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);
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this._proxyLoggerProvider._setDelegate(provider);
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return provider;
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}
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/**
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* Returns the global logger provider.
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*
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* @returns LoggerProvider
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*/
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public getLoggerProvider(): LoggerProvider {
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return (
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_global[GLOBAL_LOGS_API_KEY]?.(API_BACKWARDS_COMPATIBILITY_VERSION) ??
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this._proxyLoggerProvider
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);
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}
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/**
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* Returns a logger from the global logger provider.
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*
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* @returns Logger
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*/
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public getLogger(
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name: string,
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version?: string,
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options?: LoggerOptions
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): Logger {
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return this.getLoggerProvider().getLogger(name, version, options);
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}
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/** Remove the global logger provider */
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public disable(): void {
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delete _global[GLOBAL_LOGS_API_KEY];
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this._proxyLoggerProvider = new ProxyLoggerProvider();
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}
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}
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