spring-batch JmsRedeliveredExtractor 源码
spring-batch JmsRedeliveredExtractor 代码
文件路径：/spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/JmsRedeliveredExtractor.java
/*
* Copyright 2009-2010 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.integration.chunk;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.messaging.handler.annotation.Header;
import org.springframework.jms.support.JmsHeaders;
/**
* @author Dave Syer
*
*/
public class JmsRedeliveredExtractor {
private static final Log logger = LogFactory.getLog(JmsRedeliveredExtractor.class);
public ChunkResponse extract(ChunkResponse input, @Header(JmsHeaders.REDELIVERED) boolean redelivered) {
if (logger.isDebugEnabled()) {
logger.debug("Extracted redelivered flag for response, value=" + redelivered);
}
return new ChunkResponse(input, redelivered);
}
}
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