* @param key unique record identifier
* @param bins array of bin name/value pairs
* @throws AerospikeException if prepend fails
*/
public final void prepend(WritePolicy policy, Key key, Bin... bins) throws AerospikeException {
WriteCommand command = new WriteCommand(cluster, key);
command.setWrite(policy, Operation.Type.PREPEND, key, bins);
command.execute(policy);
}