package net.pterodactylus.sone.data;
+import java.util.Collections;
import java.util.Comparator;
+import java.util.List;
+import java.util.Set;
+import com.google.common.base.Function;
+import com.google.common.base.Optional;
import com.google.common.base.Predicate;
/**
*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public interface Post {
+public interface Post extends Identified {
/** Comparator for posts, sorts descending by time. */
public static final Comparator<Post> TIME_COMPARATOR = new Comparator<Post>() {
@Override
public boolean apply(Post post) {
- return post.getTime() <= System.currentTimeMillis();
+ return (post == null) ? false : post.getTime() <= System.currentTimeMillis();
}
};
+ public static final Function<Post, List<PostReply>> TO_REPLIES = new Function<Post, List<PostReply>>() {
+ @Override
+ public List<PostReply> apply(Post post) {
+ return (post == null) ? Collections.<PostReply>emptyList() : post.getReplies();
+ }
+ };
+
//
// ACCESSORS
//
public Sone getSone();
/**
+ * Returns the ID of the recipient {@link Sone}, or
+ * {@link Optional#absent()} if this post does not have a recipient.
+ *
+ * @return The ID of the recipient, or {@link Optional#absent()}
+ */
+ public Optional<String> getRecipientId();
+
+ /**
* Returns the recipient of this post, if any.
*
- * @return The recipient of this post, or {@code null}
+ * @return The recipient of this post, or {@link Optional#absent()} if there
+ * is no recipient
*/
- public Sone getRecipient();
+ public Optional<Sone> getRecipient();
/**
* Returns the time of the post.
*/
public Post setKnown(boolean known);
+ void like(Sone localSone);
+ void unlike(Sone localSone);
+
+ boolean isLiked(Sone sone);
+ Set<Sone> getLikes();
+
+ List<PostReply> getReplies();
+
}