001/* 002 * Copyright 2006-2010 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.step.job; 017 018import org.springframework.batch.core.Job; 019import org.springframework.batch.core.JobParameters; 020import org.springframework.batch.core.StepExecution; 021 022/** 023 * Strategy interface for translating a {@link StepExecution} into 024 * {@link JobParameters}. 025 * 026 * @author Dave Syer 027 * 028 */ 029public interface JobParametersExtractor { 030 031 /** 032 * Extract job parameters from the step execution, for example from the 033 * execution context or other properties. 034 * 035 * @param job a {@link Job} 036 * @param stepExecution a {@link StepExecution} 037 * 038 * @return some {@link JobParameters} 039 */ 040 JobParameters getJobParameters(Job job, StepExecution stepExecution); 041 042}