ClockDriver.java

Uncle Bob's Agile Development Corner
Observer—Evolving into a pattern, Part 1
by Robert C. Martin
Listing 4. ClockDriver.java.


public class ClockDriver
{
    private TimeSink itsSink;

    public ClockDriver(TimeSource source, TimeSink sink)
    {
        source.setDriver(this);
        itsSink = sink;
    }

    public void update(int hours, int minutes, int seconds)
    {
        itsSink.setTime(hours, minutes, seconds);
    }
}

About the Author

Robert C. Martin is president of Object Mentor Inc., a firm that offers high-level, OO software design consulting, training, and development services. He is the author of Designing Object Oriented C++ Applications Using the Booch Method. He can be contacted at rmartin@objectmentor.com.

Featured

Upcoming Events

AppTrends

Sign up for our newsletter.

I agree to this site's Privacy Policy.