Examples with FieldInfo org.apache.lucene.index.FieldInfo used on opensource projects

Example 11 with FieldInfo

use of org.apache.lucene.index.FieldInfo in project lucene-solr by apache.

the class Lucene50FieldInfosFormat method read.

@Override
public FieldInfos read(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, IOContext context) throws IOException {
    final String fileName = IndexFileNames.segmentFileName(segmentInfo.name, segmentSuffix, EXTENSION);
    try (ChecksumIndexInput input = directory.openChecksumInput(fileName, context)) {
        Throwable priorE = null;
        FieldInfo[] infos = null;
        try {
            CodecUtil.checkIndexHeader(input, Lucene50FieldInfosFormat.CODEC_NAME, Lucene50FieldInfosFormat.FORMAT_START, Lucene50FieldInfosFormat.FORMAT_CURRENT, segmentInfo.getId(), segmentSuffix);
            //read in the size
            final int size = input.readVInt();
            infos = new FieldInfo[size];
            // previous field's attribute map, we share when possible:
            Map<String, String> lastAttributes = Collections.emptyMap();
            for (int i = 0; i < size; i++) {
                String name = input.readString();
                final int fieldNumber = input.readVInt();
                if (fieldNumber < 0) {
                    throw new CorruptIndexException("invalid field number for field: " + name + ", fieldNumber=" + fieldNumber, input);
                }
                byte bits = input.readByte();
                boolean storeTermVector = (bits & STORE_TERMVECTOR) != 0;
                boolean omitNorms = (bits & OMIT_NORMS) != 0;
                boolean storePayloads = (bits & STORE_PAYLOADS) != 0;
                final IndexOptions indexOptions = getIndexOptions(input, input.readByte());
                // DV Types are packed in one byte
                final DocValuesType docValuesType = getDocValuesType(input, input.readByte());
                final long dvGen = input.readLong();
                Map<String, String> attributes = input.readMapOfStrings();
                // just use the last field's map if its the same
                if (attributes.equals(lastAttributes)) {
                    attributes = lastAttributes;
                }
                lastAttributes = attributes;
                try {
                    infos[i] = new FieldInfo(name, fieldNumber, storeTermVector, omitNorms, storePayloads, indexOptions, docValuesType, dvGen, attributes, 0, 0);
                    infos[i].checkConsistency();
                } catch (IllegalStateException e) {
                    throw new CorruptIndexException("invalid fieldinfo for field: " + name + ", fieldNumber=" + fieldNumber, input, e);
                }
            }
        } catch (Throwable exception) {
            priorE = exception;
        } finally {
            CodecUtil.checkFooter(input, priorE);
        }
        return new FieldInfos(infos);
    }
}

Example 12 with FieldInfo

use of org.apache.lucene.index.FieldInfo in project lucene-solr by apache.

the class Lucene60PointsWriter method finish.

@Override
public void finish() throws IOException {
    if (finished) {
        throw new IllegalStateException("already finished");
    }
    finished = true;
    CodecUtil.writeFooter(dataOut);
    String indexFileName = IndexFileNames.segmentFileName(writeState.segmentInfo.name, writeState.segmentSuffix, Lucene60PointsFormat.INDEX_EXTENSION);
    // Write index file
    try (IndexOutput indexOut = writeState.directory.createOutput(indexFileName, writeState.context)) {
        CodecUtil.writeIndexHeader(indexOut, Lucene60PointsFormat.META_CODEC_NAME, Lucene60PointsFormat.INDEX_VERSION_CURRENT, writeState.segmentInfo.getId(), writeState.segmentSuffix);
        int count = indexFPs.size();
        indexOut.writeVInt(count);
        for (Map.Entry<String, Long> ent : indexFPs.entrySet()) {
            FieldInfo fieldInfo = writeState.fieldInfos.fieldInfo(ent.getKey());
            if (fieldInfo == null) {
                throw new IllegalStateException("wrote field=\"" + ent.getKey() + "\" but that field doesn't exist in FieldInfos");
            }
            indexOut.writeVInt(fieldInfo.number);
            indexOut.writeVLong(ent.getValue());
        }
        CodecUtil.writeFooter(indexOut);
    }
}

Example 13 with FieldInfo

use of org.apache.lucene.index.FieldInfo in project lucene-solr by apache.

the class Lucene70DocValuesConsumer method addNumericField.

@Override
public void addNumericField(FieldInfo field, DocValuesProducer valuesProducer) throws IOException {
    meta.writeInt(field.number);
    meta.writeByte(Lucene70DocValuesFormat.NUMERIC);
    writeValues(field, new EmptyDocValuesProducer() {

        @Override
        public SortedNumericDocValues getSortedNumeric(FieldInfo field) throws IOException {
            return DocValues.singleton(valuesProducer.getNumeric(field));
        }
    });
}

Example 14 with FieldInfo

use of org.apache.lucene.index.FieldInfo in project lucene-solr by apache.

the class LatLonPointDistanceComparator method getLeafComparator.

@Override
public LeafFieldComparator getLeafComparator(LeafReaderContext context) throws IOException {
    LeafReader reader = context.reader();
    FieldInfo info = reader.getFieldInfos().fieldInfo(field);
    if (info != null) {
        LatLonDocValuesField.checkCompatible(info);
    }
    currentDocs = DocValues.getSortedNumeric(reader, field);
    valuesDocID = -1;
    return this;
}

Example 15 with FieldInfo

use of org.apache.lucene.index.FieldInfo in project lucene-solr by apache.

the class FieldCacheImpl method getDocsWithField.

@Override
public Bits getDocsWithField(LeafReader reader, String field, Parser parser) throws IOException {
    final FieldInfo fieldInfo = reader.getFieldInfos().fieldInfo(field);
    if (fieldInfo == null) {
        // field does not exist or has no value
        return new Bits.MatchNoBits(reader.maxDoc());
    }
    if (fieldInfo.getDocValuesType() != DocValuesType.NONE) {
    // doc values case
    } else if (parser instanceof PointParser) {
    // points case
    } else {
        // postings case
        if (fieldInfo.getIndexOptions() == IndexOptions.NONE) {
            return new Bits.MatchNoBits(reader.maxDoc());
        }
    }
    BitsEntry bitsEntry = (BitsEntry) caches.get(DocsWithFieldCache.class).get(reader, new CacheKey(field, parser));
    return bitsEntry.bits;
}