// get the name of the last message
String myLastMessageName = mySubscription.getLastMessageName();
logger().debug("myLastMessageName: {}", myLastMessageName);
// if last message exists
int mySendMessageRefIndex = myMessageGroup.indexOfName(myLastMessageName);
if (mySendMessageRefIndex >= 0) {
// increment to next one to get the message we should send
mySendMessageRefIndex++;
}
// if last message name was null, then start at zero