java - How to use Elasticsearch suggestions with Spring data? -


i'm able suggestions using curl (see code blocks). need in code can use custom endpoint tomcat_root/suggest?q=el. how can/should create query, using spring data, same result in java code.

my es mapping:

{     "textvalue": {         "properties": {             "id": {                 "type": "string",                 "index": "not_analyzed"             },             "fieldid": {                 "type": "string",                 "index": "not_analyzed"             },             "code": {                 "type": "string",                 "index": "not_analyzed"             },             "translations": {                 "type": "nested",                 "index": "not_analyzed"             },             "createdon": {                 "type": "date",                 "format": "date_hour_minute_second"             },             "lastupdatedon": {                 "type": "date",                 "format": "date_hour_minute_second"             },             "suggest": {                 "type": "completion",                 "index_analyzer": "simple",                 "search_analyzer": "simple",                 "payloads": false             }         }     } }

my pojo:

package be.smartask.service.data;  import be.smartsearch.service.language; import org.springframework.data.elasticsearch.annotations.document; import org.springframework.data.elasticsearch.annotations.mapping;  import java.util.date; import java.util.map;  /**  * @author glenn van schil  *         created on 26/01/2016  */ @document(indexname = "smartask", type = "textvalue") @mapping(mappingpath = "/es-mapping/textvalue-mapping.json") public class textvalue extends value {     private string code;     private map<language, string> translations;     private suggest suggest;      public textvalue() {     }      public textvalue(string id, string fieldid, date createdon, date lastupdatedon, string code, map<language, string> translations, suggest suggest) {         super(id, fieldid, createdon, lastupdatedon);         this.code = code;         this.translations = translations;         this.suggest = suggest;      }      public string getcode() {         return code;     }      public void setcode(string code) {         this.code = code;     }      public map<language, string> gettranslations() {         return translations;     }      public void settranslations(map<language, string> translations) {         this.translations = translations;     }      public suggest getsuggest() {         return suggest;     }      public void setsuggest(suggest suggest) {         this.suggest = suggest;     } }

my es suggest query:

{     "suggestions": {         "text": "el",         "completion": {             "field": "suggest",             "size": "10",             "fuzzy": {                 "fuzziness": "auto"             }         }     } }

my query result:

{     "_shards": {         "total": 5,         "successful": 5,         "failed": 0     },     "suggestions": [{         "text": "el",         "offset": 0,         "length": 2,         "options": [{             "text": "electrabel",             "score": 1.0         }, {             "text": "elision",             "score": 1.0         }]     }] }

i recommend use store template (https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-template-query.html#_stored_templates), lets store suggestion template in es.

then execute suggestion java code (https://www.elastic.co/guide/en/elasticsearch/client/java-api/1.6/java-search-template.html) referring template name , passing argument.


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