Iris/src/main/java/com/volmit/iris/util/ChronoLatch.java

package com.volmit.iris.util;

public class ChronoLatch {
    private final long interval;
    private long since;

    public ChronoLatch(long interval, boolean openedAtStart) {
        this.interval = interval;
        since = System.currentTimeMillis() - (openedAtStart ? interval * 2 : 0);
    }

    public ChronoLatch(long interval) {
        this(interval, true);
    }

    public void flipDown() {
        since = System.currentTimeMillis();
    }

    public boolean couldFlip() {
        return System.currentTimeMillis() - since > interval;
    }

    public boolean flip() {
        if (System.currentTimeMillis() - since > interval) {
            since = System.currentTimeMillis();
            return true;
        }

        return false;
    }
}