org.springframework.batch.core.StepExecutionListener Maven / Gradle / Ivy
/*
* Copyright 2006-2018 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;
import org.springframework.lang.Nullable;
/**
* Listener interface for the lifecycle of a {@link Step}.
*
* @author Lucas Ward
* @author Dave Syer
* @author Mahmoud Ben Hassine
*
*/
public interface StepExecutionListener extends StepListener {
/**
* Initialize the state of the listener with the {@link StepExecution} from
* the current scope.
*
* @param stepExecution instance of {@link StepExecution}.
*/
void beforeStep(StepExecution stepExecution);
/**
* Give a listener a chance to modify the exit status from a step. The value
* returned will be combined with the normal exit status using
* {@link ExitStatus#and(ExitStatus)}.
*
* Called after execution of step's processing logic (both successful or
* failed). Throwing exception in this method has no effect, it will only be
* logged.
*
* @param stepExecution {@link StepExecution} instance.
* @return an {@link ExitStatus} to combine with the normal value. Return
* {@code null} to leave the old value unchanged.
*/
@Nullable
ExitStatus afterStep(StepExecution stepExecution);
}