# Unable to retrieve all the facet info when using Java API **URL:** \ **Category:** Elasticsearch\ **Created:** [October 1, 2013, 8:05am UTC](https://discuss.elastic.co/t/unable-to-retrieve-all-the-facet-info-when-using-java-api/13814 "2013-10-01T08:05:47Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![Amit\_Soni](https://avatars.discourse-cdn.com/v4/letter/a/c0e974/32.png) [@Amit\_Soni](https://discuss.elastic.co/u/Amit_Soni)\ **Post date:** [October 1, 2013, 8:05am UTC](https://discuss.elastic.co/t/unable-to-retrieve-all-the-facet-info-when-using-java-api/13814/1 "2013-10-01T08:05:47Z")
Hi everyone - I am using Java API client to execute my queries and the request has facets too. After the query has been executed, I receive an instance of org.elasticsearch.action.search.SeachResponse. However I am unable to retrieve all the factet information from this SearchResponse instance. I tried SearchResponse # getFacets() # getFacets()and this returns me a Map. The key of this map is the facet name which is right and using this I retrieve an instance of org.elasticsearch.search.facet.Facet and this is where I am stuck. This interface (Facet) has just two methods (Facet # getName() and Facet # getType()) and these two methods are not enough to retrieve all the facet info like the count etc. Do I need to determine the type of each facet and then type cast it to specific Facet so that I have more methods available? I am writing some generic code and hence trying not to do type casting. Thoughts? Thanks much! -Amit. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [October 1, 2013, 8:12am UTC](https://discuss.elastic.co/t/unable-to-retrieve-all-the-facet-info-when-using-java-api/13814/2 "2013-10-01T08:12:07Z")
Just cast your Facet with the right class. See: [https://github.com/dadoonet/hands-on/blob/answers/src/test/java/org/elasticsearchfr/handson/ex3/FacetTest.java#L157](https://github.com/dadoonet/hands-on/blob/answers/src/test/java/org/elasticsearchfr/handson/ex3/FacetTest.java#L157) -- David Pilato | Technical Advocate | [Elasticsearch.com](http://Elasticsearch.com) @dadoonet | @elasticsearchfr | @scrutmydocs Le 1 oct. 2013 à 10:05, Amit Soni [amitsoni29@gmail.com](mailto:amitsoni29@gmail.com) a écrit : > Hi everyone - I am using Java API client to execute my queries and the request has facets too. After the query has been executed, I receive an instance of org.elasticsearch.action.search.SeachResponse. > > However I am unable to retrieve all the factet information from this SearchResponse instance. I tried SearchResponse # getFacets() # getFacets() and this returns me a Map. The key of this map is the facet name which is right and using this I retrieve an instance of org.elasticsearch.search.facet.Facet and this is where I am stuck. This interface (Facet) has just two methods (Facet # getName() and Facet # getType()) and these two methods are not enough to retrieve all the facet info like the count etc. > > Do I need to determine the type of each facet and then type cast it to specific Facet so that I have more methods available? I am writing some generic code and hence trying not to do type casting. > > Thoughts? > > Thanks much! > > -Amit. > > -- > You received this message because you are subscribed to the Google Groups "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Amit\_Soni](https://avatars.discourse-cdn.com/v4/letter/a/c0e974/32.png) [@Amit\_Soni](https://discuss.elastic.co/u/Amit_Soni)\ **Post date:** [October 1, 2013, 8:34am UTC](https://discuss.elastic.co/t/unable-to-retrieve-all-the-facet-info-when-using-java-api/13814/3 "2013-10-01T08:34:19Z")
David - Thanks much for the prompt response! Actually on my server side (since I am writing some generic code), I am trying to understand what a right design should be since I do not know the specific Facet class. So in order to cast it, I would need to additionally store the facet name \<--\> Facet class mapping which would allow me to determine the right Facet class. Does this look like a right way? -Amit. On Tue, Oct 1, 2013 at 1:12 AM, David Pilato [david@pilato.fr](mailto:david@pilato.fr) wrote: > Just cast your Facet with the right class. > See: > [https://github.com/dadoonet/hands-on/blob/answers/src/test/java/org/elasticsearchfr/handson/ex3/FacetTest.java#L157](https://github.com/dadoonet/hands-on/blob/answers/src/test/java/org/elasticsearchfr/handson/ex3/FacetTest.java#L157) > > -- > _David Pilato_ | _Technical Advocate_ | _[Elasticsearch.com](http://Elasticsearch.com)_ > @dadoonet [https://twitter.com/dadoonet](https://twitter.com/dadoonet) | @elasticsearchfr[https://twitter.com/elasticsearchfr](https://twitter.com/elasticsearchfr) > | @scrutmydocs [https://twitter.com/scrutmydocs](https://twitter.com/scrutmydocs) > > Le 1 oct. 2013 à 10:05, Amit Soni [amitsoni29@gmail.com](mailto:amitsoni29@gmail.com) a écrit : > > Hi everyone - I am using Java API client to execute my queries and the > request has facets too. After the query has been executed, I receive an > instance of org.elasticsearch.action.search.SeachResponse. > > However I am unable to retrieve all the factet information from this > SearchResponse instance. I tried SearchResponse # getFacets() # > getFacets() and this returns me a Map. The key of this map is the facet > name which is right and using this I retrieve an instance of > org.elasticsearch.search.facet.Facet and this is where I am stuck. This > interface (Facet) has just two methods (Facet # getName() and Facet # > getType()) and these two methods are not enough to retrieve all the facet > info like the count etc. > > Do I need to determine the type of each facet and then type cast it to > specific Facet so that I have more methods available? I am writing some > generic code and hence trying not to do type casting. > > Thoughts? > > Thanks much! > > -Amit. > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![jprante](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jprante/32/44941_2.png) [@jprante](https://discuss.elastic.co/u/jprante)\ **Post date:** [October 1, 2013, 8:52am UTC](https://discuss.elastic.co/t/unable-to-retrieve-all-the-facet-info-when-using-java-api/13814/4 "2013-10-01T08:52:35Z")
No need for a class mapping. Each facet carries the facet name. Just keep a list of facet classes for iteration over getFacets() you used to build the query with the facet factories, e.g. FacetBuilders.termsFacet("facetname") Jörg -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 2:14am UTC](https://discuss.elastic.co/t/unable-to-retrieve-all-the-facet-info-when-using-java-api/13814/5 "2017-07-06T02:14:06Z")