Example usage for org.apache.solr.common.params FacetParams FACET_METHOD_enum

Introduction

In this page you can find the example usage for org.apache.solr.common.params FacetParams FACET_METHOD_enum.

Prototype

String FACET_METHOD_enum

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Document

Value for FACET_METHOD param to indicate that Solr should enumerate over terms in a field to calculate the facet counts.

Usage

From source file:org.jahia.services.search.facets.SimpleJahiaJcrFacets.java

License:Open Source License

public NamedList<Object> getTermCounts(String field, ExtendedPropertyDefinition epd, String fieldNameInIndex,
        String locale) throws IOException, RepositoryException {
    int offset = params.getFieldInt(field, FacetParams.FACET_OFFSET, 0);
    int limit = params.getFieldInt(field, FacetParams.FACET_LIMIT, 100);
    if (limit == 0)
        return new NamedList<Object>();
    Integer mincount = params.getFieldInt(field, FacetParams.FACET_MINCOUNT);
    if (mincount == null) {
        Boolean zeros = params.getFieldBool(field, FacetParams.FACET_ZEROS);
        // mincount = (zeros!=null && zeros) ? 0 : 1;
        mincount = (zeros != null && !zeros) ? 1 : 0;
        // current default is to include zeros.
    }//from w w w  . java2  s  .com
    boolean missing = params.getFieldBool(field, FacetParams.FACET_MISSING, false);
    // default to sorting if there is a limit.
    String sort = params.getFieldParam(field, FacetParams.FACET_SORT,
            limit > 0 ? FacetParams.FACET_SORT_COUNT : FacetParams.FACET_SORT_INDEX);
    String prefix = params.getFieldParam(field, FacetParams.FACET_PREFIX);

    NamedList<Object> counts;
    SchemaField sf = new SchemaField(fieldNameInIndex, getType(epd));
    FieldType ft = sf.getType();

    // determine what type of faceting method to use
    String method = params.getFieldParam(field, FacetParams.FACET_METHOD);
    boolean enumMethod = FacetParams.FACET_METHOD_enum.equals(method);
    if (method == null && ft instanceof BoolField) {
        // Always use filters for booleans... we know the number of values is very small.
        enumMethod = true;
    }
    boolean multiToken = epd.isMultiple();
    // --> added by jahia as we don't use the UnInvertedField class yet due to not using SolrIndexSearcher        
    enumMethod = enumMethod || multiToken;
    //        if (TrieField.getMainValuePrefix(ft) != null) {
    //          // A TrieField with multiple parts indexed per value... currently only
    //          // UnInvertedField can handle this case, so force it's use.
    //          enumMethod = false;
    //          multiToken = true;
    //        }

    // unless the enum method is explicitly specified, use a counting method.
    if (enumMethod) {
        // Always use filters for booleans... we know the number of values is very small.
        counts = getFacetTermEnumCounts(searcher, docs, field, fieldNameInIndex, offset, limit, mincount,
                missing, sort, prefix, epd.isInternationalized() ? (locale == null ? "" : locale) : null, epd);
    } else {
        //            if (multiToken) {
        //                UnInvertedField uif = UnInvertedField.getUnInvertedField(field, searcher);
        //                counts = uif.getCounts(searcher, base, offset, limit, mincount,missing,sort,prefix);
        //              } else {
        // TODO: future logic could use filters instead of the fieldcache if
        // the number of terms in the field is small enough.
        counts = getFieldCacheCounts(searcher, docs, fieldNameInIndex, offset, limit, mincount, missing, sort,
                prefix, epd.isInternationalized() ? (locale == null ? "" : locale) : null, epd);
        //              }
    }

    return counts;
}

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