Example usage for org.apache.lucene.search SortField getMissingValue

Introduction

In this page you can find the example usage for org.apache.lucene.search SortField getMissingValue.

Prototype

public Object getMissingValue() 

Source Link

Document

Return the value to use for documents that don't have a value.

Usage

From source file:org.apache.solr.schema.AbstractEnumField.java

License:Apache License

@Override
public SortField getSortField(SchemaField field, boolean top) {
    SortField result = getSortField(field, SortField.Type.INT, top, Integer.MIN_VALUE, Integer.MAX_VALUE);
    if (null == result.getMissingValue()) {
        // special case default behavior: assume missing values are "below" all enum values
        result.setMissingValue(Integer.MIN_VALUE);
    }//from  w w w  .  j a  v  a 2s  .c  om
    return result;
}

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From source file:org.codelibs.elasticsearch.common.lucene.Lucene.java

License:Apache License

public static void writeTopDocs(StreamOutput out, TopDocs topDocs) throws IOException {
    if (topDocs instanceof TopFieldDocs) {
        out.writeBoolean(true);//w w  w .  java 2s.com
        TopFieldDocs topFieldDocs = (TopFieldDocs) topDocs;

        out.writeVInt(topDocs.totalHits);
        out.writeFloat(topDocs.getMaxScore());

        out.writeVInt(topFieldDocs.fields.length);
        for (SortField sortField : topFieldDocs.fields) {
            if (sortField.getClass() == GEO_DISTANCE_SORT_TYPE_CLASS) {
                // for geo sorting, we replace the SortField with a SortField that assumes a double field.
                // this works since the SortField is only used for merging top docs
                SortField newSortField = new SortField(sortField.getField(), SortField.Type.DOUBLE);
                newSortField.setMissingValue(sortField.getMissingValue());
                sortField = newSortField;
            }
            if (sortField.getClass() != SortField.class) {
                throw new IllegalArgumentException("Cannot serialize SortField impl [" + sortField + "]");
            }
            if (sortField.getField() == null) {
                out.writeBoolean(false);
            } else {
                out.writeBoolean(true);
                out.writeString(sortField.getField());
            }
            if (sortField.getComparatorSource() != null) {
                IndexFieldData.XFieldComparatorSource comparatorSource = (IndexFieldData.XFieldComparatorSource) sortField
                        .getComparatorSource();
                writeSortType(out, comparatorSource.reducedType());
                writeMissingValue(out, comparatorSource.missingValue(sortField.getReverse()));
            } else {
                writeSortType(out, sortField.getType());
                writeMissingValue(out, sortField.getMissingValue());
            }
            out.writeBoolean(sortField.getReverse());
        }

        out.writeVInt(topDocs.scoreDocs.length);
        for (ScoreDoc doc : topFieldDocs.scoreDocs) {
            writeFieldDoc(out, (FieldDoc) doc);
        }
    } else {
        out.writeBoolean(false);
        out.writeVInt(topDocs.totalHits);
        out.writeFloat(topDocs.getMaxScore());

        out.writeVInt(topDocs.scoreDocs.length);
        for (ScoreDoc doc : topDocs.scoreDocs) {
            writeScoreDoc(out, doc);
        }
    }
}

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