001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase; 019 020import org.apache.yetus.audience.InterfaceAudience; 021 022/** Information about active monitored server tasks */ 023@InterfaceAudience.Public 024public interface ServerTask { 025 026 /** Task state */ 027 enum State { 028 RUNNING, 029 WAITING, 030 COMPLETE, 031 ABORTED; 032 } 033 034 /** 035 * Get the task's description. 036 * @return the task's description, typically a name 037 */ 038 String getDescription(); 039 040 /** 041 * Get the current status of the task. 042 * @return the task's current status 043 */ 044 String getStatus(); 045 046 /** 047 * Get the current state of the task. 048 * @return the task's current state 049 */ 050 State getState(); 051 052 /** 053 * Get the task start time. 054 * @return the time when the task started, or 0 if it has not started yet 055 */ 056 long getStartTime(); 057 058 /** 059 * Get the task completion time. 060 * @return the time when the task completed, or 0 if it has not completed yet 061 */ 062 long getCompletionTime(); 063 064}