Example usage for org.springframework.data.solr.core.query StatsOptions getFields

Introduction

In this page you can find the example usage for org.springframework.data.solr.core.query StatsOptions getFields.

Prototype

public Collection<Field> getFields() 

Source Link

Usage

From source file:org.springframework.data.solr.core.DefaultQueryParser.java

private void processStatsOptions(SolrQuery solrQuery, Query query) {
    StatsOptions statsOptions = query.getStatsOptions();

    if (statsOptions == null || (CollectionUtils.isEmpty(statsOptions.getFields())
            && CollectionUtils.isEmpty(statsOptions.getFacets())
            && CollectionUtils.isEmpty(statsOptions.getSelectiveFacets()))) {
        return;//from   w w  w . j ava2  s  .  c  o m
    }

    solrQuery.set(StatsParams.STATS, true);

    for (Field field : statsOptions.getFields()) {
        solrQuery.add(StatsParams.STATS_FIELD, field.getName());

        String selectiveCalcDistinctParam = CommonParams.FIELD + "." + field.getName() + "."
                + StatsParams.STATS_CALC_DISTINCT;
        Boolean selectiveCountDistincts = statsOptions.isSelectiveCalcDistincts(field);

        if (selectiveCountDistincts != null) {
            solrQuery.add(selectiveCalcDistinctParam, String.valueOf(selectiveCountDistincts.booleanValue()));
        }

    }

    for (Field field : statsOptions.getFacets()) {
        solrQuery.add(StatsParams.STATS_FACET, field.getName());
    }

    for (Entry<Field, Collection<Field>> entry : statsOptions.getSelectiveFacets().entrySet()) {

        Field field = entry.getKey();
        String prefix = CommonParams.FIELD + "." + field.getName() + ".";

        String paramName = prefix + StatsParams.STATS_FACET;
        for (Field facetField : entry.getValue()) {
            solrQuery.add(paramName, facetField.getName());
        }

    }

}

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