1 /* 2 * Written by Doug Lea with assistance from members of JCP JSR-166 3 * Expert Group and released to the public domain, as explained at 4 * http://creativecommons.org/licenses/publicdomain 5 */ 6 7 package java.util.concurrent; 8 9 import java.util.*; 10 11 /** 12 * A mix-in style interface for marking objects that should be 13 * acted upon after a given delay. 14 * 15 * <p>An implementation of this interface must define a 16 * <tt>compareTo</tt> method that provides an ordering consistent with 17 * its <tt>getDelay</tt> method. 18 * 19 * @since 1.5 20 * @author Doug Lea 21 */ 22 public interface Delayed extends Comparable<Delayed> { 23 24 /** 25 * Returns the remaining delay associated with this object, in the 26 * given time unit. 27 * 28 * @param unit the time unit 29 * @return the remaining delay; zero or negative values indicate 30 * that the delay has already elapsed 31 */ 32 long getDelay(TimeUnit unit); 33 } 34
