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@RequestMapping(value = "/{id}")
@ApiOperation(value = "Returns a post by id")
public Map<String, Optional<ElasticsearchPost>> findById(@PathVariable("id") long id) {
Optional<ElasticsearchPost> elasticsearchPost = elasticsearchPostRepository.findById(id);
Map<String, Optional<ElasticsearchPost>> elasticsearchPostMap = new HashMap<>();
elasticsearchPostMap.put("ElasticsearchPosts", elasticsearchPost);
return elasticsearchPostMap;
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