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