Pagination with Java API for ElasticSearch

Question

I am trying to use elastic search module in the play framework for searching books and I have the following method to perform the search in the controller which returns me a list of books based upon the search string entered by the user

public static void bookList(String search){
    SearchResults<Book> searchResult =  ElasticSearch.search(QueryBuilders.queryString(search)  , Book.class);
    List<Book> bookList = searchResult.objects  ;
    render(bookList);
}

Now I need to perform pagination on the results obtained . How do I go about doing that using the Java API ?

Linh Nguyen · Accepted Answer · 2012-05-14 03:47:50Z

4

In Elasticsearch module documentation for Play:

Call ElasticSearch.query() and subsequently set query parameters (e.g. paging)

So in your case, you want to retrieve j searchresults from i:

SearchResults<Book> searchResult =  ElasticSearch.query(QueryBuilders.queryString(search), Book.class).from(i).size(j).fetch();

answered May 14, 2012 at 3:47

Linh Nguyen

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