| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| #pragma once |
| |
| #include <memory> |
| #include <string> |
| #include <pulsar/defines.h> |
| |
| namespace pulsar { |
| |
| class PULSAR_PUBLIC Logger { |
| public: |
| enum Level |
| { |
| LEVEL_DEBUG = 0, |
| LEVEL_INFO = 1, |
| LEVEL_WARN = 2, |
| LEVEL_ERROR = 3 |
| }; |
| |
| virtual ~Logger() {} |
| |
| /** |
| * Check whether the log level is enabled |
| * |
| * @param level the Logger::Level |
| * @return true if log is enabled |
| */ |
| virtual bool isEnabled(Level level) = 0; |
| |
| /** |
| * Log the message with related metadata |
| * |
| * @param level the Logger::Level |
| * @param line the line number of this log |
| * @param message the message to log |
| */ |
| virtual void log(Level level, int line, const std::string& message) = 0; |
| }; |
| |
| class PULSAR_PUBLIC LoggerFactory { |
| public: |
| virtual ~LoggerFactory() {} |
| |
| /** |
| * Create a Logger that is created from the filename |
| * |
| * @param fileName the filename that is used to construct the Logger |
| * @return a pointer to the created Logger instance |
| * @note the pointer must be allocated with the `new` keyword in C++ |
| */ |
| virtual Logger* getLogger(const std::string& fileName) = 0; |
| }; |
| |
| } // namespace pulsar |