ResequencerParser.java

/*
 * Copyright 2002-2016 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
 *
 *      http://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.integration.config.xml;

import org.w3c.dom.Element;

import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.integration.aggregator.ResequencingMessageGroupProcessor;
import org.springframework.integration.aggregator.ResequencingMessageHandler;

/**
 * Parser for the <resequencer> element.
 *
 * @author Marius Bogoevici
 * @author Dave Syer
 * @author Iwein Fuld
 * @author Oleg Zhurakousky
 */
public class ResequencerParser extends AbstractCorrelatingMessageHandlerParser {

	private static final String RELEASE_PARTIAL_SEQUENCES_ATTRIBUTE = "release-partial-sequences";

	@Override
	protected BeanDefinitionBuilder parseHandler(Element element, ParserContext parserContext) {

		BeanDefinitionBuilder builder = BeanDefinitionBuilder.genericBeanDefinition(ResequencingMessageHandler.class);
		BeanDefinitionBuilder processorBuilder = BeanDefinitionBuilder.genericBeanDefinition(ResequencingMessageGroupProcessor.class);

		builder.addConstructorArgValue(processorBuilder.getBeanDefinition());

		this.doParse(builder, element, processorBuilder.getBeanDefinition(), parserContext);

		IntegrationNamespaceUtils.setValueIfAttributeDefined(builder, element, RELEASE_PARTIAL_SEQUENCES_ATTRIBUTE);

		return builder;
	}
}