+ /** Comparator for posts, sorts descending by time. */
+ public static final Comparator<Post> TIME_COMPARATOR = new Comparator<Post>() {
+
+ @Override
+ public int compare(Post leftPost, Post rightPost) {
+ return (int) Math.max(Integer.MIN_VALUE, Math.min(Integer.MAX_VALUE, rightPost.getTime() - leftPost.getTime()));
+ }
+
+ };
+
+ /** Filter for posts with timestamps from the future. */
+ public static final Filter<Post> FUTURE_POSTS_FILTER = new Filter<Post>() {
+
+ @Override
+ public boolean filterObject(Post post) {
+ return post.getTime() <= System.currentTimeMillis();
+ }
+
+ };
+