spring-batch RepeatCallback 源码
spring-batch RepeatCallback 代码
文件路径：/spring-batch-infrastructure/src/main/java/org/springframework/batch/repeat/RepeatCallback.java
/*
* Copyright 2006-2007 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.repeat;
/**
* Callback interface for batch operations. Many simple processes will be able to use
* off-the-shelf implementations of this interface, enabling the application developer to
* concentrate on business logic.
*
* @see RepeatOperations
* @author Dave Syer
*
*/
public interface RepeatCallback {
/**
* Implementations return true if they can continue processing - e.g. there is a data
* source that is not yet exhausted. Exceptions are not necessarily fatal - processing
* might continue depending on the Exception type and the implementation of the
* caller.
* @param context the current context passed in by the caller.
* @return an {@link RepeatStatus} which is continuable if there is (or may be) more
* data to process.
* @throws Exception if there is a problem with the processing.
*/
RepeatStatus doInIteration(RepeatContext context) throws Exception;
}
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