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

Example 11 with FieldsConsumer

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

the class IDVersionPostingsFormat method fieldsConsumer.

@Override
public FieldsConsumer fieldsConsumer(SegmentWriteState state) throws IOException {
    PostingsWriterBase postingsWriter = new IDVersionPostingsWriter(state.liveDocs);
    boolean success = false;
    try {
        FieldsConsumer ret = new VersionBlockTreeTermsWriter(state, postingsWriter, minTermsInBlock, maxTermsInBlock);
        success = true;
        return ret;
    } finally {
        if (!success) {
            IOUtils.closeWhileHandlingException(postingsWriter);
        }
    }
}

Example 12 with FieldsConsumer

use of org.apache.lucene.codecs.FieldsConsumer 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 13 with FieldsConsumer

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

the class BlockTreeOrdsPostingsFormat method fieldsConsumer.

@Override
public FieldsConsumer fieldsConsumer(SegmentWriteState state) throws IOException {
    PostingsWriterBase postingsWriter = new Lucene50PostingsWriter(state);
    boolean success = false;
    try {
        FieldsConsumer ret = new OrdsBlockTreeTermsWriter(state, postingsWriter, minTermBlockSize, maxTermBlockSize);
        success = true;
        return ret;
    } finally {
        if (!success) {
            IOUtils.closeWhileHandlingException(postingsWriter);
        }
    }
}

Example 14 with FieldsConsumer

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

the class FSTPostingsFormat method fieldsConsumer.

@Override
public FieldsConsumer fieldsConsumer(SegmentWriteState state) throws IOException {
    PostingsWriterBase postingsWriter = new Lucene50PostingsWriter(state);
    boolean success = false;
    try {
        FieldsConsumer ret = new FSTTermsWriter(state, postingsWriter);
        success = true;
        return ret;
    } finally {
        if (!success) {
            IOUtils.closeWhileHandlingException(postingsWriter);
        }
    }
}