try {
            boolean empty;
            try {
                empty = client.admin().indices().prepareGetMappings(actualIndex).execute().actionGet(settings.getIndicesTimeout())
                        .getMappings().isEmpty();
            } catch (final IndexNotFoundException e) {
                empty = true;
                final CreateIndexResponse response = client.admin().indices().prepareCreate(actualIndex)

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PostMapping;

@Controller
public class MyProductAdminController {

    @GetMapping("/admin")
    public String adminForm(Model model) {
        model.addAttribute("versionRange", new VersionRange());

        this.task = task;
        this.mapping = new HashMap<>();
        this.constantDependentsConsumer = constantDependentsConsumer;
    }

    public Map<String, Collection<String>> getMapping() {
        return mapping;
    }

    @Override
    public void started(TaskEvent e) {

    }

    @Override
    public void finished(TaskEvent e) {
        if (e.getKind() == Kind.ANALYZE) {

        delegate.addTaskListener(constantsCollector);
        try {
            return delegate.call();
        } finally {
            classNameConsumer.accept(classNameCollector.getMapping());
        }
    }

        this.relativize = relativize;
        this.classBackupService = classBackupService;
        this.elements = elements;
    }

    public Map<String, Set<String>> getMapping() {
        return mapping;
    }

    @Override
    public void started(TaskEvent e) {
        JavaFileObject sourceFile = e.getSourceFile();
        if (isSourceFile(sourceFile)) {