Example usage for org.apache.lucene.store IndexInput readLong

Introduction

In this page you can find the example usage for org.apache.lucene.store IndexInput readLong.

Prototype

public long readLong() throws IOException 

Source Link

Document

Reads eight bytes and returns a long.

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);//w  w w . j  a va 2 s  . c  o m
    output.writeLong(1);
    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.bah.lucene.blockcache_v2.CacheIndexInputTest.java

License:Apache License

public static void readRandomDataLong(IndexInput baseInput, IndexInput testInput, Random random, int sampleSize)
        throws IOException {
    assertEquals(baseInput.length(), testInput.length());
    int fileLength = (int) baseInput.length();
    for (int i = 0; i < sampleSize; i++) {
        int position = random.nextInt(fileLength - 8);
        baseInput.seek(position);// ww  w.  jav a  2s .c  o  m
        long i1 = baseInput.readLong();
        testInput.seek(position);
        long i2 = testInput.readLong();
        assertEquals("Read [" + i + "] The position is [" + position + "]", i1, i2);
    }
}

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

License:Apache License

@Override
public IDGeoRecord readGeoRecord(IndexInput input, int recordByteCount) throws IOException {
    long highOrder = input.readLong();
    int lowOrder = input.readInt();
    int countIdBytes = recordByteCount - INTERLACE_BYTES;
    byte[] id = new byte[countIdBytes];
    input.readBytes(id, 0, countIdBytes, false);
    return new IDGeoRecord(highOrder, lowOrder, id);
}

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

License:Apache License

private void verifyData() throws IOException {
    final byte[] test = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8 };
    Assert.assertTrue(jdbcDirectory.fileExists("value1"));
    Assert.assertEquals(36, jdbcDirectory.fileLength("value1"));

    final IndexInput indexInput = jdbcDirectory.openInput("value1", new IOContext());
    Assert.assertEquals(-1, indexInput.readInt());
    Assert.assertEquals(10, indexInput.readLong());
    Assert.assertEquals(0, indexInput.readInt());
    Assert.assertEquals(0, indexInput.readInt());
    indexInput.readBytes(test, 0, 8);/*  w  ww. ja v  a 2 s  .  c  om*/
    Assert.assertEquals((byte) 1, test[0]);
    Assert.assertEquals((byte) 8, test[7]);
    indexInput.readBytes(test, 0, 5);
    Assert.assertEquals((byte) 1, test[0]);
    Assert.assertEquals((byte) 5, test[4]);

    indexInput.seek(28);
    Assert.assertEquals((byte) 1, indexInput.readByte());
    indexInput.seek(30);
    Assert.assertEquals((byte) 3, indexInput.readByte());

    indexInput.close();
}

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

License:Apache License

@Override
public void read(IndexInput input) throws IOException {
    int length = input.readInt();
    bits = new AtomicLongArray(length);
    for (int i = 0; i < length; i++) {
        bits.set(i, input.readLong());
    }/*from   w  w  w .  j a  v a  2 s. c o m*/
}

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

License:Apache License

public void read(IndexInput input) throws IOException {
    numberOfBitsDivBy2 = input.readLong();
    elementSize = input.readLong();/*from  www  .j av a  2s .  c o  m*/
    probabilityOfFalsePositives = Double.longBitsToDouble(input.readLong());
    hashes = input.readInt();
    numberOfBits = input.readInt();
    bitSet = new ThreadSafeBitSet();
    bitSet.read(input);
}

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From source file:com.nearinfinity.blur.store.compressed.CompressedFieldDataDirectory.java

License:Apache License

private int getVersion(IndexInput indexInput) throws IOException {
    long length = indexInput.length();
    indexInput.seek(length - 8);//  ww  w .j a v a 2s.  c o m
    long l = indexInput.readLong();
    if (l < 0) {
        return (int) Math.abs(l);
    } else {
        return 0;
    }
}

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From source file:com.nearinfinity.blur.store.compressed.CompressedFieldDataDirectory.java

License:Apache License

public long fileLength(String name) throws IOException {
    if (compressedFileExists(name)) {
        IndexInput input = _directory.openInput(getCompressedName(name));
        try {/*from w  w w  .ja  v a  2 s.  c  om*/
            long length = input.length();
            input.seek(length - 8);
            long fileLength = input.readLong();
            if (fileLength < 0) {
                input.seek(length - 16);
                return input.readLong();
            } else {
                return fileLength;
            }
        } finally {
            input.close();
        }
    }
    return _directory.fileLength(name);
}

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From source file:com.rocana.lucene.codec.v1.RocanaBlockTreeTermsReader.java

License:Apache License

/** Seek {@code input} to the directory offset. */
private void seekDir(IndexInput input, long dirOffset) throws IOException {
    input.seek(input.length() - CodecUtil.footerLength() - 8);
    dirOffset = input.readLong();
    input.seek(dirOffset);//from  w w  w .  jav a  2 s  .com
}

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

License:Apache License

static NumericEntry readNumericEntry(IndexInput meta) throws IOException {
    NumericEntry entry = new NumericEntry();
    entry.packedIntsVersion = meta.readVInt();
    entry.offset = meta.readLong();
    entry.count = meta.readVLong();//from w w  w.  j a  va  2  s .c  o m
    entry.blockSize = meta.readVInt();
    return entry;
}

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