| /* |
| * 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. |
| */ |
| |
| package org.apache.cassandra.utils.logging; |
| |
| import java.util.Map; |
| |
| /** |
| * Common abstraction of functionality which can be implemented for different logging backend implementations (slf4j bindings). |
| * Concrete implementations are dynamically loaded and instantiated by {@link LoggingSupportFactory#getLoggingSupport()}. |
| */ |
| public interface LoggingSupport |
| { |
| /** |
| * Hook used to execute logging implementation specific customization at Cassandra startup time. |
| */ |
| default void onStartup() {} |
| |
| /** |
| * Hook used to execute logging implementation specific customization at Cassandra shutdown time. |
| */ |
| default void onShutdown() {} |
| |
| /** |
| * Changes the given logger to the given log level. |
| * |
| * @param classQualifier the class qualifier or logger name |
| * @param rawLevel the string representation of a log level |
| * @throws Exception an exception which may occur while changing the given logger to the given log level. |
| */ |
| void setLoggingLevel(String classQualifier, String rawLevel) throws Exception; |
| |
| /** |
| * @return a map of logger names and their associated log level as string representations. |
| */ |
| Map<String, String> getLoggingLevels(); |
| } |