001/* 002 * Copyright 2006-2013 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.springframework.batch.core; 017 018/** 019 * Provide callbacks at specific points in the lifecycle of a {@link Job}. 020 * Implementations can be stateful if they are careful to either ensure thread 021 * safety, or to use one instance of a listener per job, assuming that job 022 * instances themselves are not used by more than one thread. 023 * 024 * @author Dave Syer 025 * 026 */ 027public interface JobExecutionListener { 028 029 /** 030 * Callback before a job executes. 031 * 032 * @param jobExecution the current {@link JobExecution} 033 */ 034 void beforeJob(JobExecution jobExecution); 035 036 /** 037 * Callback after completion of a job. Called after both both successful and 038 * failed executions. To perform logic on a particular status, use 039 * "if (jobExecution.getStatus() == BatchStatus.X)". 040 * 041 * @param jobExecution the current {@link JobExecution} 042 */ 043 void afterJob(JobExecution jobExecution); 044 045}