spring-batch JobLaunchingGatewayParser 源码
spring-batch JobLaunchingGatewayParser 代码
文件路径：/spring-batch-integration/src/main/java/org/springframework/batch/integration/config/xml/JobLaunchingGatewayParser.java
/*
* Copyright 2002-2013 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.config.xml;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.batch.core.launch.JobLauncher;
import org.springframework.batch.integration.launch.JobLaunchingGateway;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.config.xml.AbstractConsumerEndpointParser;
import org.springframework.integration.config.xml.IntegrationNamespaceUtils;
import org.springframework.util.StringUtils;
import org.w3c.dom.Element;
/**
* The parser for the Job-Launching Gateway, which will instantiate a
* {@link JobLaunchingGatewayParser}. If no {@link JobLauncher} reference has been
* provided, this parse will use the use the globally registered bean 'jobLauncher'.
*
* @author Gunnar Hillert
* @since 1.3
*
*/
public class JobLaunchingGatewayParser extends AbstractConsumerEndpointParser {
private static final Log logger = LogFactory.getLog(JobLaunchingGatewayParser.class);
@Override
protected String getInputChannelAttributeName() {
return "request-channel";
}
@Override
protected BeanDefinitionBuilder parseHandler(Element element, ParserContext parserContext) {
final BeanDefinitionBuilder jobLaunchingGatewayBuilder = BeanDefinitionBuilder
.genericBeanDefinition(JobLaunchingGateway.class);
final String jobLauncher = element.getAttribute("job-launcher");
if (StringUtils.hasText(jobLauncher)) {
jobLaunchingGatewayBuilder.addConstructorArgReference(jobLauncher);
}
else {
if (logger.isDebugEnabled()) {
logger.debug("No jobLauncher specified, using default 'jobLauncher' reference instead.");
}
jobLaunchingGatewayBuilder.addConstructorArgReference("jobLauncher");
}
IntegrationNamespaceUtils.setValueIfAttributeDefined(jobLaunchingGatewayBuilder, element, "reply-timeout",
"sendTimeout");
final String replyChannel = element.getAttribute("reply-channel");
if (StringUtils.hasText(replyChannel)) {
jobLaunchingGatewayBuilder.addPropertyReference("outputChannel", replyChannel);
}
return jobLaunchingGatewayBuilder;
}
}
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