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 */ 018 019package org.apache.oozie.sla.listener; 020 021import org.apache.hadoop.conf.Configuration; 022import org.apache.oozie.client.event.SLAEvent; 023 024/** 025 * Event listener for SLA related events, defining methods corresponding to 026 * SLA mets/misses 027 */ 028public abstract class SLAEventListener { 029 030 /** 031 * Initialize the listener 032 * @param conf 033 */ 034 public abstract void init(Configuration conf) throws Exception; 035 036 /** 037 * Destroy the listener 038 */ 039 public abstract void destroy(); 040 041 /** 042 * on SLA job start-time limit met 043 * @param work 044 */ 045 public abstract void onStartMet(SLAEvent work); 046 047 /** 048 * on SLA job start-time limit missed 049 * @param event 050 */ 051 public abstract void onStartMiss(SLAEvent event); 052 053 /** 054 * on SLA job end-time limit met 055 * @param work 056 */ 057 public abstract void onEndMet(SLAEvent work); 058 059 /** 060 * on SLA job end-time limit missed 061 * @param event 062 */ 063 public abstract void onEndMiss(SLAEvent event); 064 065 /** 066 * on SLA job duration limit met 067 * @param work 068 */ 069 public abstract void onDurationMet(SLAEvent work); 070 071 /** 072 * on SLA job duration limit missed 073 * @param event 074 */ 075 public abstract void onDurationMiss(SLAEvent event); 076 077}