source: src/main/java/genius/core/timeline/ContinuousTimeline.java

package genius.core.timeline;

/**
 * A time line, running from t = 0 (start) to t = 1 (deadline). The timeline
 * renormalizes real time.
 */
@SuppressWarnings("serial")
public class ContinuousTimeline extends Timeline {
        private final int totalSeconds;
        protected long startTime;

        /**
         * Creates a timeline with a deadline of {@link #totalSeconds} number of
         * seconds.
         */
        public ContinuousTimeline(int totalSecs) {
                totalSeconds = totalSecs;
                startTime = System.nanoTime();
                hasDeadline = true;
        }

        /**
         * Gets the elapsed time in seconds. Use {@link #getTime()} for a more
         * generic version.
         */
        public double getElapsedSeconds() {
                long t2 = System.nanoTime();
                return ((t2 - startTime) / 1000000000.0);
        }

        /**
         * Gets the elapsed time in seconds. Use {@link #getTime()} for a more
         * generic version.
         */
        public double getElapsedMilliSeconds() {
                long t2 = System.nanoTime();
                return ((t2 - startTime) / 1000000.0);
        }

        /**
         * Gets the total negotiation time in miliseconds
         */
        public long getTotalMiliseconds() {
                return 1000 * totalSeconds;
        }

        /**
         * Gets the total negotiation time in seconds
         */
        public long getTotalSeconds() {
                return totalSeconds;
        }

        /**
         * Gets the time, running from t = 0 (start) to t = 1 (deadline). The time
         * is normalized, so agents need not be concerned with the actual internal
         * clock.
         */
        public double getTime() {
                double t = getElapsedSeconds() / (double) totalSeconds;
                if (t > 1)
                        t = 1;
                return t;
        }

        @Override
        public double getTotalTime() {
                return getTotalSeconds();
        }

        @Override
        public double getCurrentTime() {
                return getElapsedSeconds();
        }

        public void reset() {
                startTime = System.nanoTime();
        }
}