| /* |
| * 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. |
| */ |
| package org.apache.karaf.cellar.log.management; |
| |
| import javax.management.openmbean.TabularData; |
| import java.util.List; |
| |
| /** |
| * Describe the operations and attributes on the CellarLogMBean. |
| */ |
| public interface CellarLogMBean { |
| |
| /** |
| * Display the cluster log messages. |
| * |
| * @param logger The logger name to filter or null. |
| * @param nodeId The node ID or alias to filter or null for all nodes. |
| * @param entries The number of entries to display limit (0 means no limit). |
| * @return The list of log messages. |
| */ |
| List<String> displayLog(String logger, String nodeId, int entries); |
| |
| /** |
| * Add a log message on the cluster. |
| * |
| * @param message The message to log. |
| * @param level The log message level (default is INFO when null). |
| * @param nodeId The node ID or alias or null for all nodes. |
| */ |
| void logMessage(String message, String level, String nodeId); |
| |
| /** |
| * Set the log level on the cluster. |
| * |
| * @param logger The logger to set the level or null for the root logger. |
| * @param level The level to set. |
| * @param nodeId The node ID or alias or null for all nodes. |
| */ |
| void setLevel(String level, String logger, String nodeId) throws Exception; |
| |
| /** |
| * Get the log level on the cluster. |
| * |
| * @param logger The logger to filter or null for all loggers. |
| * @param nodeId The node ID or alias or null for all nodes. |
| * @return A tabular data reprepsenting the levels. |
| */ |
| TabularData getLevel(String logger, String nodeId) throws Exception; |
| |
| } |