X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FPost.java;h=d4d34e676cdaf12568366f898806b38e518cc7ff;hp=6523e9b8cfcf848b062aa32d9b7ff185bdd47246;hb=HEAD;hpb=6bdcd41b92f9a6acd014612d35a54e54e41a9dd0

diff --git a/src/main/java/net/pterodactylus/sone/data/Post.java b/src/main/java/net/pterodactylus/sone/data/Post.java
index 6523e9b..d4d34e6 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
@@ -17,38 +17,15 @@
 
 package net.pterodactylus.sone.data;
 
-import java.util.Comparator;
+import static com.google.common.base.Optional.absent;
 
 import com.google.common.base.Optional;
-import com.google.common.base.Predicate;
 
 /**
  * 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 {
-
-	/** 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 Predicate<Post> FUTURE_POSTS_FILTER = new Predicate<Post>() {
-
-		@Override
-		public boolean apply(Post post) {
-			return post.getTime() <= System.currentTimeMillis();
-		}
-
-	};
+public interface Post extends Identified {
 
 	//
 	// ACCESSORS
@@ -62,6 +39,14 @@ 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
@@ -77,10 +62,7 @@ public interface Post {
 	public Optional<String> getRecipientId();
 
 	/**
-	 * Returns the recipient of this post, if any. As this method can return
-	 * {@link Optional#absent()} if the post has a recipient which has not yet
-	 * been loaded, it is recommended to use {@link #hasRecipient()} to check
-	 * for the presence of a recipient.
+	 * Returns the recipient of this post, if any.
 	 *
 	 * @return The recipient of this post, or {@link Optional#absent()} if there
 	 *         is no recipient
@@ -117,4 +99,62 @@ 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;
+		}
+
+	}
+
 }