spring-batch SkipListener 源码
spring-batch SkipListener 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/SkipListener.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;
/**
* Interface for listener to skipped items. Callbacks are called by {@link Step}
* implementations at the appropriate time in the step lifecycle. Implementers of this
* interface should not assume that any method is called immediately after an error has
* been encountered. Because there may be errors later on in processing the chunk, this
* listener is not called until just before committing.
*
* @author Dave Syer
* @author Robert Kasanicky
* @author Mahmoud Ben Hassine
*
*/
public interface SkipListener<T, S> extends StepListener {
/**
* Callback for a failure on read that is legal and, consequently, is not going to be
* re-thrown. In case a transaction is rolled back and items are re-read, this
* callback occurs repeatedly for the same cause. This happens only if read items are
* not buffered.
* @param t cause of the failure
*/
default void onSkipInRead(Throwable t) {
}
/**
* This item failed on write with the given exception, and a skip was called for.
* @param item the failed item
* @param t the cause of the failure
*/
default void onSkipInWrite(S item, Throwable t) {
}
/**
* This item failed on processing with the given exception, and a skip was called for.
* @param item the failed item
* @param t the cause of the failure
*/
default void onSkipInProcess(T item, Throwable t) {
}
}
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