Examples with NumberType org.apache.solr.schema.NumberType used on opensource projects

Example 6 with NumberType

use of org.apache.solr.schema.NumberType in project lucene-solr by apache.

the class FacetField method createFacetProcessor.

@Override
public FacetProcessor createFacetProcessor(FacetContext fcontext) {
    SchemaField sf = fcontext.searcher.getSchema().getField(field);
    FieldType ft = sf.getType();
    boolean multiToken = sf.multiValued() || ft.multiValuedFieldCache();
    if (fcontext.facetInfo != null) {
        // refinement... we will end up either skipping the entire facet, or doing calculating only specific facet buckets
        return new FacetFieldProcessorByArrayDV(fcontext, this, sf);
    }
    NumberType ntype = ft.getNumberType();
    // ensure we can support the requested options for numeric faceting:
    if (ntype != null) {
        if (prefix != null) {
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "Doesn't make sense to set facet prefix on a numeric field");
        }
        if (mincount == 0) {
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "Numeric fields do not support facet mincount=0; try indexing as terms");
        // TODO if indexed=true then we could add support
        }
    }
    // TODO auto-pick ENUM/STREAM SOLR-9351 when index asc and DocSet cardinality is *not* much smaller than term cardinality
    if (method == FacetMethod.ENUM) {
        // at the moment these two are the same
        method = FacetMethod.STREAM;
    }
    if (method == FacetMethod.STREAM && sf.indexed() && "index".equals(sortVariable) && sortDirection == SortDirection.asc) {
        return new FacetFieldProcessorByEnumTermsStream(fcontext, this, sf);
    }
    if (!multiToken) {
        if (mincount > 0 && prefix == null && (ntype != null || method == FacetMethod.DVHASH)) {
            //   or if we don't know cardinality but DocSet size is very small
            return new FacetFieldProcessorByHashDV(fcontext, this, sf);
        } else if (ntype == null) {
            // single valued string...
            return new FacetFieldProcessorByArrayDV(fcontext, this, sf);
        } else {
            throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Couldn't pick facet algorithm for field " + sf);
        }
    }
    if (sf.hasDocValues() || method == FacetMethod.DV) {
        // single and multi-valued string docValues
        return new FacetFieldProcessorByArrayDV(fcontext, this, sf);
    }
    // Top-level multi-valued field cache (UIF)
    return new FacetFieldProcessorByArrayUIF(fcontext, this, sf);
}