Example usage for org.springframework.data.elasticsearch.core SearchResultMapper SearchResultMapper

Introduction

In this page you can find the example usage for org.springframework.data.elasticsearch.core SearchResultMapper SearchResultMapper.

Prototype

SearchResultMapper

Source Link

Usage

From source file:org.bisen.chatamari.service.BlogService.java

@Transactional(readOnly = true)
public Page<ElasticBlog> search(String query, Pageable pageable) throws DataAccessException {

    SearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(QueryBuilders.queryString(query))
            .withPageable(pageable).withHighlightFields(new HighlightBuilder.Field("strippedContent"),
                    new HighlightBuilder.Field("title"))
            .build();/*from  ww  w  . j  a v  a  2  s . c o m*/
    Page<ElasticBlog> pageResult = elasticsearchTemplate.queryForPage(searchQuery, ElasticBlog.class,
            new SearchResultMapper() {

                @Override
                public <T> FacetedPage<T> mapResults(SearchResponse response, Class<T> clazz,
                        Pageable pageable) {
                    List<ElasticBlog> blogs = new ArrayList<>();
                    for (SearchHit hit : response.getHits()) {
                        if (response.getHits().getHits().length <= 0) {
                            return null;
                        }
                        ElasticBlog blog = new ElasticBlog();
                        blog.setId(Integer.parseInt(hit.getId()));
                        blog.setContent((String) hit.getSource().get("content"));
                        blog.setCreatedByEmail((String) hit.getSource().get("createdByEmail"));
                        blog.setCreatedDate(hit.getSource().get("createdDate") != null
                                ? new Date((long) hit.getSource().get("createdDate"))
                                : null);
                        blog.setLastModifiedByEmail((String) hit.getSource().get("createdModifiedEmail"));
                        blog.setLastModifiedDate(hit.getSource().get("lastModifiedDate") != null
                                ? new Date((long) hit.getSource().get("lastModifiedDate"))
                                : null);
                        blog.setTags((ArrayList<String>) hit.getSource().get("tags"));
                        blog.setTitle((String) hit.getSource().get("title"));
                        if (hit.getHighlightFields() != null) {
                            if (hit.getHighlightFields().get("strippedContent") != null) {
                                blog.setHighlightedString(
                                        hit.getHighlightFields().get("strippedContent").fragments()[0]
                                                .toString());
                            } else {
                                blog.setHighlightedString(
                                        hit.getHighlightFields().get("title").fragments()[0].toString());
                            }

                        }

                        blogs.add(blog);
                    }
                    if (blogs.size() > 0) {
                        FacetedPage<T> page = new FacetedPageImpl<>((List<T>) blogs);
                        return page;
                    }
                    return null;
                }
            });
    return pageResult;
}

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