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

Introduction

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

Prototype

public void writeLong(long i) throws IOException 

Source Link

Document

Writes a long as eight bytes.

Usage

From source file:com.bah.lucene.blockcache_v2.CacheDirectoryTest.java

License:Apache License

@Test
public void test1() throws IOException {
    IndexOutput output = _cacheDirectory.createOutput("test.file", IOContext.DEFAULT);
    output.writeLong(0);
    output.writeLong(1);//  w  ww.j ava2 s  .  c o m
    output.writeLong(2);
    output.close();

    IndexInput input = _cacheDirectory.openInput("test.file", IOContext.DEFAULT);
    assertEquals(0, input.readLong());
    assertEquals(1, input.readLong());
    assertEquals(2, input.readLong());
    input.close();
}

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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  w  w  w.j  a  va2  s .com

    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);/*from   w  w w .  j  av  a 2s . c  o  m*/
    indexOutput.writeLong(10);
    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);
    }// www .  j a va2s  .  c om

    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);//w w  w.ja  va  2 s . c o  m
    for (int i = 0; i < length; i++) {
        output.writeLong(bits.get(i));
    }
}

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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);//  www  .j a  v a  2 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.zimbra.cs.index.LuceneIndexRepair.java

License:Open Source License

private void commit(long gen) throws IOException {
    IndexOutput output = directory.createOutput(SEGMENTS_GEN);
    try {//  w ww. j av  a 2 s .c o  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:org.apache.blur.filter.IndexFileBitSet.java

License:Apache License

public void create(DocIdSetIterator it) throws IOException {
    String fileName = getFileName();
    if (_directory.fileExists(getFileName())) {
        LOG.warn("Filter [{0}] in directory [{1}] being recreated due to incorrect size.", fileName,
                _directory);/*from w  w  w  .  j  av  a 2  s .  co m*/
        _directory.deleteFile(fileName);
    }
    IndexOutput output = _directory.createOutput(fileName, IOContext.READ);
    int index;
    int currentWordNum = 0;
    long wordValue = 0;
    while ((index = it.nextDoc()) < _numBits) {
        int wordNum = index >> 6; // div 64
        if (currentWordNum > wordNum) {
            throw new IOException("We got a problem here!");
        }
        while (currentWordNum < wordNum) {
            output.writeLong(wordValue);
            currentWordNum++;
            wordValue = 0;
        }
        int bit = index & 0x3f; // mod 64
        long bitmask = 1L << bit;
        wordValue |= bitmask;
    }
    if (_numBits > 0) {
        int totalWords = (_numBits / 64) + 1;
        while (currentWordNum < totalWords) {
            output.writeLong(wordValue);
            currentWordNum++;
            wordValue = 0;
        }
    }
    output.close();
}

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From source file:org.apache.blur.mapreduce.lib.GenericRecordReader.java

License:Apache License

private static Directory copyFilesLocally(Configuration configuration, Directory dir, String table,
        Path shardDir, Path localCachePath, Collection<String> files) throws IOException {
    LOG.info("Copying files need to local cache for faster reads [{0}].", shardDir);
    Path localShardPath = new Path(new Path(localCachePath, table), shardDir.getName());
    HdfsDirectory localDir = new HdfsDirectory(configuration, localShardPath, null, files);
    for (String name : files) {
        if (!isValidFileToCache(name)) {
            continue;
        }/*from  w ww . j a v a2  s .co  m*/
        LOG.info("Valid file for local copy [{0}].", name);
        if (!isValid(localDir, dir, name)) {
            LastModified lastModified = (LastModified) dir;
            long fileModified = lastModified.getFileModified(name);

            IndexInput input = dir.openInput(name, IOContext.READONCE);
            IndexOutput output = localDir.createOutput(name, IOContext.READONCE);
            output.copyBytes(input, input.length());
            output.close();
            IndexOutput lastMod = localDir.createOutput(name + LASTMOD, IOContext.DEFAULT);
            lastMod.writeLong(fileModified);
            lastMod.close();
        }
    }
    return localDir;
}

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From source file:org.apache.blur.store.hdfs.HdfsDirectorySymlinkTest.java

License:Apache License

@Test
public void testSymlink() throws IOException {
    HdfsDirectory dir1 = new HdfsDirectory(_configuration, new Path(_base, "dir1"));
    IndexOutput output = dir1.createOutput("file1", IOContext.DEFAULT);
    output.writeLong(12345);
    output.close();// ww w .j a va 2s.co  m

    assertTrue(dir1.fileExists("file1"));

    HdfsDirectory dir2 = new HdfsDirectory(_configuration, new Path(_base, "dir2"));
    dir1.copy(dir2, "file1", "file2", IOContext.DEFAULT);

    assertTrue(dir2.fileExists("file2"));
    assertEquals(8, dir2.fileLength("file2"));

    String[] listAll = dir2.listAll();
    assertEquals(1, listAll.length);
    assertEquals("file2", listAll[0]);

    IndexInput input = dir2.openInput("file2", IOContext.DEFAULT);
    assertEquals(12345, input.readLong());
    input.close();

    dir2.deleteFile("file2");

    assertFalse(dir2.fileExists("file2"));
    assertTrue(dir1.fileExists("file1"));

    dir2.close();
    dir1.close();
}

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