Examples with SequentialWriter org.apache.cassandra.io.util.SequentialWriter used on opensource projects

Example 11 with SequentialWriter

use of org.apache.cassandra.io.util.SequentialWriter in project cassandra by apache.

the class TokenTreeTest method buildTree.

private static TokenTree buildTree(TokenTreeBuilder builder) throws Exception {
    builder.finish();
    final File treeFile = FileUtils.createTempFile("token-tree-", "db");
    treeFile.deleteOnExit();
    try (SequentialWriter writer = new SequentialWriter(treeFile, DEFAULT_OPT)) {
        builder.write(writer);
        writer.sync();
    }
    final RandomAccessReader reader = RandomAccessReader.open(treeFile);
    return new TokenTree(new MappedBuffer(reader));
}

Example 12 with SequentialWriter

use of org.apache.cassandra.io.util.SequentialWriter in project eiger by wlloyd.

the class SSTableWriter method maybeWriteDigest.

private void maybeWriteDigest() throws IOException {
    byte[] digest = dataFile.digest();
    if (digest == null)
        return;
    SequentialWriter out = SequentialWriter.open(new File(descriptor.filenameFor(SSTable.COMPONENT_DIGEST)), true);
    // Writting output compatible with sha1sum
    Descriptor newdesc = descriptor.asTemporary(false);
    String[] tmp = newdesc.filenameFor(SSTable.COMPONENT_DATA).split(Pattern.quote(File.separator));
    String dataFileName = tmp[tmp.length - 1];
    out.write(String.format("%s  %s", Hex.bytesToHex(digest), dataFileName).getBytes());
    out.close();
}