Acquires an explicit row lock.
Row locks are no longer supported as of HBase 0.96.
While they can still be used with earlier HBase versions,
attempting to use them with HBase 0.95 and up will cause a
UnsupportedOperationException to be thrown.
For a description of what row locks are, see
RowLock.
A note on passing
byte arrays in argument
None of the method that receive a
byte[] in argument will copy it.
For more info, please refer to the documentation of
HBaseRpc.
A note on passing
Strings in argument
All strings are assumed to use the platform's default charset.