Example usage for org.apache.cassandra.utils ByteBufferUtil hexToBytes

Introduction

In this page you can find the example usage for org.apache.cassandra.utils ByteBufferUtil hexToBytes.

Prototype

public static ByteBuffer hexToBytes(String str) 

Source Link

Usage

From source file:com.stratio.cassandra.index.schema.ColumnMapperBlobTest.java

License:Apache License

@Test
public void testValueByteBuffer() {
    ColumnMapperBlob mapper = new ColumnMapperBlob();
    ByteBuffer bb = ByteBufferUtil.hexToBytes("f1");
    String parsed = mapper.indexValue("test", bb);
    Assert.assertEquals("f1", parsed);
}

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From source file:com.stratio.cassandra.lucene.schema.mapping.BlobMapperTest.java

License:Apache License

@Test
public void testValueByteBuffer() {
    BlobMapper mapper = new BlobMapper("field", null, null);
    ByteBuffer bb = ByteBufferUtil.hexToBytes("f1");
    String parsed = mapper.base("test", bb);
    assertEquals("f1", parsed);
}

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From source file:net.imagini.cassandra.DumpSSTables.SSTableExport.java

License:Apache License

/**
 * Export specific rows from an SSTable and write the resulting JSON to a
 * PrintStream./*from  w w w. ja v a2  s  .  com*/
 * 
 * @param desc
 *            the descriptor of the sstable table to read from
 * @param outs
 *            PrintStream to write the output to
 * @param toExport
 *            the keys corresponding to the rows to export
 * @param excludes
 *            keys to exclude from export
 * @throws IOException
 *             on failure to read/write input/output
 */
public static void export(Descriptor desc, PrintStream outs, Collection<String> toExport, String[] excludes)
        throws IOException {
    SSTableReader reader = SSTableReader.open(desc);
    SSTableScanner scanner = reader.getDirectScanner();

    IPartitioner<?> partitioner = reader.partitioner;

    if (excludes != null)
        toExport.removeAll(Arrays.asList(excludes));

    int i = 0;

    // last key to compare order
    DecoratedKey lastKey = null;

    for (String key : toExport) {
        DecoratedKey decoratedKey = partitioner.decorateKey(ByteBufferUtil.hexToBytes(key));

        if (lastKey != null && lastKey.compareTo(decoratedKey) > 0)
            throw new IOException("Key out of order! " + lastKey + " > " + decoratedKey);

        lastKey = decoratedKey;

        scanner.seekTo(decoratedKey);

        if (!scanner.hasNext())
            continue;

        SSTableIdentityIterator row = (SSTableIdentityIterator) scanner.next();
        if (!row.getKey().equals(decoratedKey))
            continue;

        serializeRow(row, decoratedKey, outs);

        if (i != 0)
            outs.println(",");

        i++;
    }

    outs.println("\n");
    outs.flush();

    scanner.close();
}

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