/* * 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 * * http://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. */ 'use strict'; /** * Base class representing the logging service provided by a {@link Container}. * @protected * @abstract * @memberof module:composer-runtime */ class LoggingService { /** * Write a critical message to the log. * @abstract * @param {string} message The message to write to the log. */ logCritical(message) { throw new Error('abstract function called'); } /** * Write a debug message to the log. * @abstract * @param {string} message The message to write to the log. */ logDebug(message) { throw new Error('abstract function called'); } /** * Write an error message to the log. * @abstract * @param {string} message The message to write to the log. */ logError(message) { throw new Error('abstract function called'); } /** * Write a informational message to the log. * @abstract * @param {string} message The message to write to the log. */ logInfo(message) { throw new Error('abstract function called'); } /** * Write a notice message to the log. * @abstract * @param {string} message The message to write to the log. */ logNotice(message) { throw new Error('abstract function called'); } /** * Write a warning message to the log. * @abstract * @param {string} message The message to write to the log. */ logWarning(message) { throw new Error('abstract function called'); } /** * Stop serialization of this object. * @return {Object} An empty object. */ toJSON() { return {}; } } module.exports = LoggingService;