| /** |
| * 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.hadoop.mapred; |
| |
| /** |
| * The MXBean interface for JobTrackerInfo |
| */ |
| public interface JobTrackerMXBean { |
| |
| /** |
| * @return hostname of the jobtracker |
| */ |
| String getHostname(); |
| |
| /** |
| * @return version of the code base |
| */ |
| String getVersion(); |
| |
| /** |
| * @return the config version (from a config property) |
| */ |
| String getConfigVersion(); |
| |
| /** |
| * @return number of threads of the jobtracker jvm |
| */ |
| int getThreadCount(); |
| |
| /** |
| * @return the summary info in json |
| */ |
| String getSummaryJson(); |
| |
| /** |
| * @return the alive nodes info in json |
| */ |
| String getAliveNodesInfoJson(); |
| |
| /** |
| * @return the blacklisted nodes info in json |
| */ |
| String getBlacklistedNodesInfoJson(); |
| |
| /** |
| * @return the graylisted nodes info in json |
| */ |
| String getGraylistedNodesInfoJson(); |
| |
| /** |
| * @return the queue info json |
| */ |
| String getQueueInfoJson(); |
| |
| } |