ElasticSearch Java Client querying nested objects

elasticsearch, java, spring-data, spring-data-elasticsearch

Solution

The folowing Java code will generate your query

public NestedQueryBuilder nestedBoolQuery(final Map<String, String> propertyValues, final String nestedPath) {

    BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
    Iterator<String> iterator = propertyValues.keySet().iterator();

    while (iterator.hasNext()) {
        String propertyName = iterator.next();
        String propertValue = propertyValues.get(propertyName);
        MatchQueryBuilder matchQuery = QueryBuilders.matchQuery(propertyName, propertValue);
        boolQueryBuilder.must(matchQuery);
    }

    return QueryBuilders.nestedQuery(nestedPath, boolQueryBuilder);
}

The parameter `propertyValues` is:

Map<String, String> propertyValues = new HashMap<String, String>();
propertyValues.put("consultations.prescriptions", "alfuorism");
propertyValues.put("consultations.Diagnosis", "Fever");

The parameter `nestedPath` is:

consultations

Problem

How do I convert this kind of query. ``` { "query": { "nested": { "path": "consultations", "query": { "bool": { "must": [ { "match": { "consultations.prescriptions": "alfuorism" } }, { "match": { "consultations.Diagnosis": "Fever" } } ] } } } } } ``` To a Java Client query using QueryBuilders

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