spring-batch JobParametersExtractor 源码
spring-batch JobParametersExtractor 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/step/job/JobParametersExtractor.java
/*
* Copyright 2006-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.batch.core.step.job;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.StepExecution;
/**
* Strategy interface for translating a {@link StepExecution} into {@link JobParameters}.
*
* @author Dave Syer
* @author Taeik Lim
*
*/
@FunctionalInterface
public interface JobParametersExtractor {
/**
* Extract job parameters from the step execution, for example from the execution
* context or other properties.
* @param job a {@link Job}
* @param stepExecution a {@link StepExecution}
* @return some {@link JobParameters}
*/
JobParameters getJobParameters(Job job, StepExecution stepExecution);
}
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