spring-batch SkipPolicy 源码

  • 2022-08-16
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spring-batch SkipPolicy 代码

文件路径:/spring-batch-core/src/main/java/org/springframework/batch/core/step/skip/SkipPolicy.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.skip;

/**
 * Policy for determining whether or not some processing should be skipped.
 *
 * @author Lucas Ward
 * @author Dave Syer
 * @author Mahmoud Ben Hassine
 * @author Taeik Lim
 */
@FunctionalInterface
public interface SkipPolicy {

	/**
	 * Returns true or false, indicating whether or not processing should continue with
	 * the given throwable. Clients may use {@code skipCount<0} to probe for exception
	 * types that are skippable, so implementations should be able to handle gracefully
	 * the case where {@code skipCount<0}. Implementations should avoid throwing any
	 * undeclared exceptions.
	 * @param t exception encountered while processing
	 * @param skipCount currently running count of skips
	 * @return true if processing should continue, false otherwise.
	 * @throws SkipLimitExceededException if a limit is breached
	 * @throws IllegalArgumentException if the exception is null
	 */
	boolean shouldSkip(Throwable t, long skipCount) throws SkipLimitExceededException;

}

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