public class ElasticsearchNamespaceHandler extends NamespaceHandlerSupport{
@Override
public void init() {
RepositoryConfigurationExtension extension = new ElasticsearchRepositoryConfigExtension();
RepositoryBeanDefinitionParser parser = new RepositoryBeanDefinitionParser(extension);
registerBeanDefinitionParser("repositories", parser);
registerBeanDefinitionParser("node-client", new NodeClientBeanDefinitionParser());
registerBeanDefinitionParser("transport-client", new TransportClientBeanDefinitionParser());
}