Example usage for org.apache.lucene.store IndexOutput writeInt

Introduction

In this page you can find the example usage for org.apache.lucene.store IndexOutput writeInt.

Prototype

public void writeInt(int i) throws IOException 

Source Link

Document

Writes an int as four bytes.

Usage

From source file:com.bah.lucene.BaseDirectoryTestSuite.java

License:Apache License

@Test
public void testWritingAndReadingAFile() throws IOException {

    IndexOutput output = directory.createOutput("testing.test", IOContext.DEFAULT);
    output.writeInt(12345);
    output.flush();//from  w ww  . j av a 2 s .c  o m
    output.close();

    IndexInput input = directory.openInput("testing.test", IOContext.DEFAULT);
    assertEquals(12345, input.readInt());
    input.close();

    String[] listAll = directory.listAll();
    assertEquals(1, listAll.length);
    assertEquals("testing.test", listAll[0]);

    assertEquals(4, directory.fileLength("testing.test"));

    IndexInput input1 = directory.openInput("testing.test", IOContext.DEFAULT);

    IndexInput input2 = (IndexInput) input1.clone();
    assertEquals(12345, input2.readInt());
    input2.close();

    assertEquals(12345, input1.readInt());
    input1.close();

    assertFalse(directory.fileExists("testing.test.other"));
    assertTrue(directory.fileExists("testing.test"));
    directory.deleteFile("testing.test");
    assertFalse(directory.fileExists("testing.test"));
}

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From source file:com.browseengine.bobo.geosearch.solo.impl.IDGeoRecordSerializer.java

License:Apache License

@Override
public void writeGeoRecord(IndexOutput output, IDGeoRecord record, int recordByteCount) throws IOException {
    if (record.id.length != recordByteCount - INTERLACE_BYTES) {
        throw new IllegalArgumentException(
                "Incorrect number of id bytes given.  " + "This is most likely a bug!  ExpectedBytes="
                        + (recordByteCount - INTERLACE_BYTES) + "; receivedBytes=" + record.id.length);
    }/*from www  .j  a v  a 2s  . c  om*/

    output.writeLong(record.highOrder);
    output.writeInt(record.lowOrder);
    output.writeBytes(record.id, record.id.length);
}

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From source file:com.github.lucene.store.jdbc.index.AbstractIndexInputOutputITest.java

License:Apache License

private void insertData() throws IOException {
    final byte[] test = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
    final IndexOutput indexOutput = jdbcDirectory.createOutput("value1", new IOContext());
    indexOutput.writeInt(-1);
    indexOutput.writeLong(10);/*from ww w .  ja va2 s  . c  o  m*/
    indexOutput.writeInt(0);
    indexOutput.writeInt(0);
    indexOutput.writeBytes(test, 8);
    indexOutput.writeBytes(test, 5);
    indexOutput.writeByte((byte) 8);
    indexOutput.writeBytes(new byte[] { 1, 2 }, 2);
    indexOutput.close();
}

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From source file:com.liferay.portal.search.lucene.dump.IndexCommitSerializationUtil.java

License:Open Source License

private static void writeSegmentsGen(Directory directory, long generation) throws IOException {

    if (_log.isDebugEnabled()) {
        _log.debug("Writing " + _SEGMENTS_GEN_FILE_NAME + " with generation " + generation);
    }/*from ww  w  .  j  a  v  a 2s  . c o  m*/

    IndexOutput indexOutput = directory.createOutput(_SEGMENTS_GEN_FILE_NAME);

    try {
        indexOutput.writeInt(SegmentInfos.FORMAT_LOCKLESS);
        indexOutput.writeLong(generation);
        indexOutput.writeLong(generation);
    } finally {
        indexOutput.close();
    }
}

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From source file:com.nearinfinity.bloomfilter.bitset.ThreadSafeBitSet.java

License:Apache License

@Override
public void write(IndexOutput output) throws IOException {
    int length = bits.length();
    output.writeInt(length);
    for (int i = 0; i < length; i++) {
        output.writeLong(bits.get(i));//ww  w .  j av a  2s  .co m
    }
}

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From source file:com.nearinfinity.bloomfilter.BloomFilter.java

License:Apache License

public void write(IndexOutput output) throws IOException {
    output.writeLong(numberOfBitsDivBy2);
    output.writeLong(elementSize);/*from  www . j ava2  s . c o m*/
    output.writeLong(Double.doubleToLongBits(probabilityOfFalsePositives));
    output.writeInt(hashes);
    output.writeInt(numberOfBits);
    bitSet.write(output);
}

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From source file:com.sindicetech.siren.index.codecs.siren10.Siren10PostingsWriter.java

License:Open Source License

@Override
public void init(final IndexOutput termsOut) throws IOException {
    CodecUtil.writeHeader(termsOut, CODEC, VERSION_CURRENT);
    termsOut.writeInt(blockSkipInterval); // write skipInterval
    termsOut.writeInt(maxSkipLevels); // write maxSkipLevels
    termsOut.writeInt(blockSkipMinimum); // write skipMinimum
    termsOut.writeInt(maxBlockSize); // write maxBlockSize
}

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From source file:com.zimbra.cs.index.LuceneIndexRepair.java

License:Open Source License

private void commit(long gen) throws IOException {
    IndexOutput output = directory.createOutput(SEGMENTS_GEN);
    try {//  ww  w  .  ja va2 s .  co  m
        output.writeInt(SegmentInfos.FORMAT_LOCKLESS);
        output.writeLong(gen);
        output.writeLong(gen);
    } finally {
        output.close();
    }
    directory.sync(Collections.singleton(SEGMENTS_GEN));
}

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From source file:di.uniba.it.wsd.dsm.Text2Bin.java

License:Open Source License

/** 
 * Convert a WordSpace text matrix to a bin WordSpace file
 * Text matrix format:/*w  w w . jav a  2 s .c  om*/
 * - the first line contains the matrix dimensions N
 * - each line contains the word vector information: word d1 d2 ... dN
 * Text2Bin text_matrix_file bin_matrix_file
 * @param args the command line arguments
 */
public static void main(String[] args) {
    try {
        BufferedReader in = new BufferedReader(new FileReader(args[0]));
        File file = new File(args[1]);
        FSDirectory fs = FSDirectory.open(file.getParentFile());
        IndexOutput output = fs.createOutput(file.getName());
        String header = in.readLine();
        output.writeString("-dimensions");
        output.writeInt(Integer.parseInt(header));
        while (in.ready()) {
            String line = in.readLine();
            String[] split = line.split("\t");
            output.writeString(split[0]);
            for (int i = 1; i < split.length; i++) {
                output.writeInt(Float.floatToIntBits(Float.parseFloat(split[i])));
            }
        }
        in.close();
        output.close();
    } catch (IOException ex) {
        Logger.getLogger(Text2Bin.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:org.apache.blur.lucene.codec.Blur022SegmentInfoWriter.java

License:Apache License

@Override
public void write(Directory dir, SegmentInfo si, FieldInfos fis, IOContext ioContext) throws IOException {
    final String fileName = IndexFileNames.segmentFileName(si.name, "", Blur022SegmentInfoFormat.SI_EXTENSION);
    si.addFile(fileName);//from   ww  w. j  a v  a  2  s .  c  o  m

    final IndexOutput output = dir.createOutput(fileName, ioContext);

    boolean success = false;
    try {
        CodecUtil.writeHeader(output, Blur022SegmentInfoFormat.CODEC_NAME,
                Blur022SegmentInfoFormat.VERSION_CURRENT);
        output.writeString(si.getVersion());
        output.writeInt(si.getDocCount());

        output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
        output.writeStringStringMap(si.getDiagnostics());
        Map<String, String> attributes = si.attributes();
        TreeMap<String, String> newAttributes = new TreeMap<String, String>();
        if (attributes != null) {
            newAttributes.putAll(attributes);
        }
        newAttributes.put(Blur022StoredFieldsFormat.STORED_FIELDS_FORMAT_CHUNK_SIZE,
                Integer.toString(_compressionChunkSize));
        newAttributes.put(Blur022StoredFieldsFormat.STORED_FIELDS_FORMAT_COMPRESSION_MODE, _compressionMode);
        output.writeStringStringMap(newAttributes);
        output.writeStringSet(si.files());

        success = true;
    } finally {
        if (!success) {
            IOUtils.closeWhileHandlingException(output);
            si.dir.deleteFile(fileName);
        } else {
            output.close();
        }
    }
}

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