subscribe-bookmark

Including the basic AMPS library:

import com.crankuptheamps.client.*;
import com.crankuptheamps.client.exception.*;

Constructing the command:

Command cmd = new Command(Message.Command.Subscribe)
                   .setTopic(topic)

                   // consistent ID for recovery purposes
                   .setSubId(subId)

                   // Recover from the bookmark store's
                   // replay point, or the beginning of the
                   // txlog if there is no existing recovery point 
                   .setBookmark(Client.Bookmarks.MOST_RECENT)
                   ;

The command can now be used in execute or executeAsync.