MessageHandler.java

import java.util.Arrays;
import java.util.List;
import org.apache.thrift.TException;

public class MessageHandler implements Message.Iface {

  public MessageHandler() {
    msg_index = 0;
  }

  @Override
  public String motd() throws TException {
    System.out.println("Call count: " + ++msg_index);
    return msgs.get(Math.abs(msg_index % 3));
  }
  private int msg_index;
  private static List<String> msgs = Arrays.asList("Apache Thrift!!", 
                                                   "Childhood is a short season", 
                                                   "'Twas brillig");
}