package net.pterodactylus.sone.data;
+import java.util.Comparator;
import java.util.UUID;
+import net.pterodactylus.util.filter.Filter;
+
/**
* A post is a short message that a user writes in his Sone to let other users
* know what is going on.
*/
public class Post {
+ /** 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();
+ }
+
+ };
+
/** The GUID of the post. */
private final UUID id;
/** The Sone this post belongs to. */
private volatile Sone sone;
+ /** The Sone of the recipient. */
+ private volatile Sone recipient;
+
/** The time of the post (in milliseconds since Jan 1, 1970 UTC). */
private volatile long time;
}
/**
+ * Returns the recipient of this post, if any.
+ *
+ * @return The recipient of this post, or {@code null}
+ */
+ public Sone getRecipient() {
+ return recipient;
+ }
+
+ /**
+ * Sets the recipient of this post.
+ *
+ * @param recipient
+ * The recipient of this post, or {@code null}
+ * @return This post (for method chaining)
+ */
+ public Post setRecipient(Sone recipient) {
+ if (!sone.equals(recipient)) {
+ this.recipient = recipient;
+ }
+ return this;
+ }
+
+ /**
* Returns the time of the post.
*
* @return The time of the post (in milliseconds since Jan 1, 1970 UTC)