X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FPost.java;h=991418595864c6dfa0272383a86ad15c40e57e41;hb=ee39c03a6a811300728183552afcede1d9f8e79a;hp=160bb3284e330b55b646409723ab22e54be2701f;hpb=da609f721e54691f27113e877a19637bd332abc3;p=Sone.git

diff --git a/src/main/java/net/pterodactylus/sone/data/Post.java b/src/main/java/net/pterodactylus/sone/data/Post.java
index 160bb32..9914185 100644
--- a/src/main/java/net/pterodactylus/sone/data/Post.java
+++ b/src/main/java/net/pterodactylus/sone/data/Post.java
@@ -1,5 +1,5 @@
 /*
- * Sone - Post.java - Copyright © 2010–2013 David Roden
+ * Sone - Post.java - Copyright © 2010–2020 David Roden
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -17,20 +17,20 @@
 
 package net.pterodactylus.sone.data;
 
+import static com.google.common.base.Optional.absent;
+
 import java.util.Comparator;
 
-import com.google.common.base.Predicate;
+import com.google.common.base.Optional;
 
 /**
  * A post is a short message that a user writes in his Sone to let other users
  * know what is going on.
- *
- * @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>() {
+	public static final Comparator<Post> NEWEST_FIRST = new Comparator<Post>() {
 
 		@Override
 		public int compare(Post leftPost, Post rightPost) {
@@ -39,16 +39,6 @@ public interface Post {
 
 	};
 
-	/** Filter for posts with timestamps from the future. */
-	public static final Predicate<Post> FUTURE_POSTS_FILTER = new Predicate<Post>() {
-
-		@Override
-		public boolean apply(Post post) {
-			return post.getTime() <= System.currentTimeMillis();
-		}
-
-	};
-
 	//
 	// ACCESSORS
 	//
@@ -61,6 +51,14 @@ public interface Post {
 	public String getId();
 
 	/**
+	 * Returns whether this post has already been loaded.
+	 *
+	 * @return {@code true} if this post has already been loaded, {@code
+	 * false} otherwise
+	 */
+	boolean isLoaded();
+
+	/**
 	 * Returns the Sone this post belongs to.
 	 *
 	 * @return The Sone of this post
@@ -68,11 +66,20 @@ public interface Post {
 	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.
@@ -104,4 +111,62 @@ public interface Post {
 	 */
 	public Post setKnown(boolean known);
 
+	/**
+	 * Shell for a post that has not yet been loaded.
+	 */
+	public static class EmptyPost implements Post {
+
+		private final String id;
+
+		public EmptyPost(String id) {
+			this.id = id;
+		}
+
+		@Override
+		public String getId() {
+			return id;
+		}
+
+		@Override
+		public boolean isLoaded() {
+			return false;
+		}
+
+		@Override
+		public Sone getSone() {
+			return null;
+		}
+
+		@Override
+		public Optional<String> getRecipientId() {
+			return absent();
+		}
+
+		@Override
+		public Optional<Sone> getRecipient() {
+			return absent();
+		}
+
+		@Override
+		public long getTime() {
+			return 0;
+		}
+
+		@Override
+		public String getText() {
+			return null;
+		}
+
+		@Override
+		public boolean isKnown() {
+			return false;
+		}
+
+		@Override
+		public Post setKnown(boolean known) {
+			return this;
+		}
+
+	}
+
 }