import org.springframework.beans.factory.parsing.ParseState; //导入依赖的package包/类
@Override
protected void doParse(Element element, ParserContext parserContext,
		BeanDefinitionBuilder builder) {
	this.parserContext = parserContext;
	this.parseState = new ParseState();

	String name = element.getAttribute(NAME_ATTRIBUTE);
	BeanDefinition grpRegistryDef = createGroupRegistryDefinition(name,
			element);

	AbstractBeanDefinition txMgrBeanDefinition = builder
			.getBeanDefinition();

	// Bean creation is delegated to a factory
	txMgrBeanDefinition.setFactoryBeanName(element
			.getAttribute(FACTORY_BEAN_ATTRIBUTE));

	if (element.hasAttribute(FACTORY_METHOD_ATTRIBUTE)) {
		txMgrBeanDefinition.setFactoryMethodName(element
				.getAttribute(FACTORY_METHOD_ATTRIBUTE));
	} else {
		txMgrBeanDefinition
				.setFactoryMethodName(DEFAULT_FACTORY_METHOD_NAME);
	}

	// Factory creation method expects 2 arguments :
	// * arg n�1 : transaction manager name
	// * arg n�2 : a ParticipantsGroupRegistry instance
	ConstructorArgumentValues cav = txMgrBeanDefinition
			.getConstructorArgumentValues();
	cav.addGenericArgumentValue(name);
	cav.addGenericArgumentValue(grpRegistryDef);
}
 

import org.springframework.beans.factory.parsing.ParseState; //导入依赖的package包/类
public BlueprintParser(ParseState parseState, Collection<String> usedNames) {
	this.parseState = (parseState != null ? parseState : new ParseState());
	this.usedNames = (usedNames != null ? usedNames : new LinkedHashSet<String>());
}