Examples with Slice org.rocksdb.Slice used on opensource projects

Example 1 with Slice

use of org.rocksdb.Slice in project alluxio by Alluxio.

the class RocksBlockStore method getLocations.

@Override
public List<BlockLocation> getLocations(long id) {
    byte[] startKey = RocksUtils.toByteArray(id, 0);
    byte[] endKey = RocksUtils.toByteArray(id, Long.MAX_VALUE);
    // Ref: https://docs.oracle.com/javase/tutorial/essential/exceptions/tryResourceClose.html
    try (final Slice slice = new Slice(endKey);
        final ReadOptions readOptions = new ReadOptions().setIterateUpperBound(slice);
        final RocksIterator iter = db().newIterator(mBlockLocationsColumn.get(), readOptions)) {
        iter.seek(startKey);
        List<BlockLocation> locations = new ArrayList<>();
        for (; iter.isValid(); iter.next()) {
            try {
                locations.add(BlockLocation.parseFrom(iter.value()));
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
        return locations;
    }
}