Examples with TermVectorsWriter org.apache.lucene.codecs.TermVectorsWriter used on opensource projects

Example 1 with TermVectorsWriter

use of org.apache.lucene.codecs.TermVectorsWriter in project lucene-solr by apache.

the class TermVectorsConsumerPerField method finishDocument.

void finishDocument() throws IOException {
    if (doVectors == false) {
        return;
    }
    doVectors = false;
    final int numPostings = bytesHash.size();
    final BytesRef flushTerm = termsWriter.flushTerm;
    assert numPostings >= 0;
    // This is called once, after inverting all occurrences
    // of a given field in the doc.  At this point we flush
    // our hash into the DocWriter.
    TermVectorsPostingsArray postings = termVectorsPostingsArray;
    final TermVectorsWriter tv = termsWriter.writer;
    final int[] termIDs = sortPostings();
    tv.startField(fieldInfo, numPostings, doVectorPositions, doVectorOffsets, hasPayloads);
    final ByteSliceReader posReader = doVectorPositions ? termsWriter.vectorSliceReaderPos : null;
    final ByteSliceReader offReader = doVectorOffsets ? termsWriter.vectorSliceReaderOff : null;
    for (int j = 0; j < numPostings; j++) {
        final int termID = termIDs[j];
        final int freq = postings.freqs[termID];
        // Get BytesRef
        termBytePool.setBytesRef(flushTerm, postings.textStarts[termID]);
        tv.startTerm(flushTerm, freq);
        if (doVectorPositions || doVectorOffsets) {
            if (posReader != null) {
                initReader(posReader, termID, 0);
            }
            if (offReader != null) {
                initReader(offReader, termID, 1);
            }
            tv.addProx(freq, posReader, offReader);
        }
        tv.finishTerm();
    }
    tv.finishField();
    reset();
    fieldInfo.setStoreTermVectors();
}

Example 2 with TermVectorsWriter

use of org.apache.lucene.codecs.TermVectorsWriter in project lucene-solr by apache.

the class BaseIndexFileFormatTestCase method testMultiClose.

/** Calls close multiple times on closeable codec apis */
public void testMultiClose() throws IOException {
    // first make a one doc index
    Directory oneDocIndex = applyCreatedVersionMajor(newDirectory());
    IndexWriter iw = new IndexWriter(oneDocIndex, new IndexWriterConfig(new MockAnalyzer(random())));
    Document oneDoc = new Document();
    FieldType customType = new FieldType(TextField.TYPE_STORED);
    customType.setStoreTermVectors(true);
    Field customField = new Field("field", "contents", customType);
    oneDoc.add(customField);
    oneDoc.add(new NumericDocValuesField("field", 5));
    iw.addDocument(oneDoc);
    LeafReader oneDocReader = getOnlyLeafReader(DirectoryReader.open(iw));
    iw.close();
    // now feed to codec apis manually
    // we use FSDir, things like ramdir are not guaranteed to cause fails if you write to them after close(), etc
    Directory dir = newFSDirectory(createTempDir("justSoYouGetSomeChannelErrors"));
    Codec codec = getCodec();
    SegmentInfo segmentInfo = new SegmentInfo(dir, Version.LATEST, Version.LATEST, "_0", 1, false, codec, Collections.emptyMap(), StringHelper.randomId(), new HashMap<>(), null);
    FieldInfo proto = oneDocReader.getFieldInfos().fieldInfo("field");
    FieldInfo field = new FieldInfo(proto.name, proto.number, proto.hasVectors(), proto.omitsNorms(), proto.hasPayloads(), proto.getIndexOptions(), proto.getDocValuesType(), proto.getDocValuesGen(), new HashMap<>(), proto.getPointDimensionCount(), proto.getPointNumBytes());
    FieldInfos fieldInfos = new FieldInfos(new FieldInfo[] { field });
    SegmentWriteState writeState = new SegmentWriteState(null, dir, segmentInfo, fieldInfos, null, new IOContext(new FlushInfo(1, 20)));
    SegmentReadState readState = new SegmentReadState(dir, segmentInfo, fieldInfos, IOContext.READ);
    // PostingsFormat
    try (FieldsConsumer consumer = codec.postingsFormat().fieldsConsumer(writeState)) {
        consumer.write(oneDocReader.fields());
        IOUtils.close(consumer);
        IOUtils.close(consumer);
    }
    try (FieldsProducer producer = codec.postingsFormat().fieldsProducer(readState)) {
        IOUtils.close(producer);
        IOUtils.close(producer);
    }
    // DocValuesFormat
    try (DocValuesConsumer consumer = codec.docValuesFormat().fieldsConsumer(writeState)) {
        consumer.addNumericField(field, new EmptyDocValuesProducer() {

            @Override
            public NumericDocValues getNumeric(FieldInfo field) {
                return new NumericDocValues() {

                    int docID = -1;

                    @Override
                    public int docID() {
                        return docID;
                    }

                    @Override
                    public int nextDoc() {
                        docID++;
                        if (docID == 1) {
                            docID = NO_MORE_DOCS;
                        }
                        return docID;
                    }

                    @Override
                    public int advance(int target) {
                        if (docID <= 0 && target == 0) {
                            docID = 0;
                        } else {
                            docID = NO_MORE_DOCS;
                        }
                        return docID;
                    }

                    @Override
                    public boolean advanceExact(int target) throws IOException {
                        docID = target;
                        return target == 0;
                    }

                    @Override
                    public long cost() {
                        return 1;
                    }

                    @Override
                    public long longValue() {
                        return 5;
                    }
                };
            }
        });
        IOUtils.close(consumer);
        IOUtils.close(consumer);
    }
    try (DocValuesProducer producer = codec.docValuesFormat().fieldsProducer(readState)) {
        IOUtils.close(producer);
        IOUtils.close(producer);
    }
    // NormsFormat
    try (NormsConsumer consumer = codec.normsFormat().normsConsumer(writeState)) {
        consumer.addNormsField(field, new NormsProducer() {

            @Override
            public NumericDocValues getNorms(FieldInfo field) {
                return new NumericDocValues() {

                    int docID = -1;

                    @Override
                    public int docID() {
                        return docID;
                    }

                    @Override
                    public int nextDoc() {
                        docID++;
                        if (docID == 1) {
                            docID = NO_MORE_DOCS;
                        }
                        return docID;
                    }

                    @Override
                    public int advance(int target) {
                        if (docID <= 0 && target == 0) {
                            docID = 0;
                        } else {
                            docID = NO_MORE_DOCS;
                        }
                        return docID;
                    }

                    @Override
                    public boolean advanceExact(int target) throws IOException {
                        docID = target;
                        return target == 0;
                    }

                    @Override
                    public long cost() {
                        return 1;
                    }

                    @Override
                    public long longValue() {
                        return 5;
                    }
                };
            }

            @Override
            public void checkIntegrity() {
            }

            @Override
            public void close() {
            }

            @Override
            public long ramBytesUsed() {
                return 0;
            }
        });
        IOUtils.close(consumer);
        IOUtils.close(consumer);
    }
    try (NormsProducer producer = codec.normsFormat().normsProducer(readState)) {
        IOUtils.close(producer);
        IOUtils.close(producer);
    }
    // TermVectorsFormat
    try (TermVectorsWriter consumer = codec.termVectorsFormat().vectorsWriter(dir, segmentInfo, writeState.context)) {
        consumer.startDocument(1);
        consumer.startField(field, 1, false, false, false);
        consumer.startTerm(new BytesRef("testing"), 2);
        consumer.finishTerm();
        consumer.finishField();
        consumer.finishDocument();
        consumer.finish(fieldInfos, 1);
        IOUtils.close(consumer);
        IOUtils.close(consumer);
    }
    try (TermVectorsReader producer = codec.termVectorsFormat().vectorsReader(dir, segmentInfo, fieldInfos, readState.context)) {
        IOUtils.close(producer);
        IOUtils.close(producer);
    }
    // StoredFieldsFormat
    try (StoredFieldsWriter consumer = codec.storedFieldsFormat().fieldsWriter(dir, segmentInfo, writeState.context)) {
        consumer.startDocument();
        consumer.writeField(field, customField);
        consumer.finishDocument();
        consumer.finish(fieldInfos, 1);
        IOUtils.close(consumer);
        IOUtils.close(consumer);
    }
    try (StoredFieldsReader producer = codec.storedFieldsFormat().fieldsReader(dir, segmentInfo, fieldInfos, readState.context)) {
        IOUtils.close(producer);
        IOUtils.close(producer);
    }
    IOUtils.close(oneDocReader, oneDocIndex, dir);
}

Example 3 with TermVectorsWriter

use of org.apache.lucene.codecs.TermVectorsWriter in project lucene-solr by apache.

the class SortingTermVectorsConsumer method flush.

@Override
void flush(Map<String, TermsHashPerField> fieldsToFlush, final SegmentWriteState state, Sorter.DocMap sortMap) throws IOException {
    super.flush(fieldsToFlush, state, sortMap);
    if (tmpDirectory != null) {
        if (sortMap == null) {
            // we're lucky the index is already sorted, just rename the temporary file and return
            for (Map.Entry<String, String> entry : tmpDirectory.getTemporaryFiles().entrySet()) {
                tmpDirectory.rename(entry.getValue(), entry.getKey());
            }
            return;
        }
        TermVectorsReader reader = docWriter.codec.termVectorsFormat().vectorsReader(tmpDirectory, state.segmentInfo, state.fieldInfos, IOContext.DEFAULT);
        TermVectorsReader mergeReader = reader.getMergeInstance();
        TermVectorsWriter writer = docWriter.codec.termVectorsFormat().vectorsWriter(state.directory, state.segmentInfo, IOContext.DEFAULT);
        try {
            reader.checkIntegrity();
            for (int docID = 0; docID < state.segmentInfo.maxDoc(); docID++) {
                Fields vectors = mergeReader.get(sortMap.newToOld(docID));
                writeTermVectors(writer, vectors, state.fieldInfos);
            }
            writer.finish(state.fieldInfos, state.segmentInfo.maxDoc());
        } finally {
            IOUtils.close(reader, writer);
            IOUtils.deleteFiles(tmpDirectory, tmpDirectory.getTemporaryFiles().values());
        }
    }
}