X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FPost.java;h=b6648e213da87a60554a5a7b82657a2142b4dbe1;hp=a28bf9f7623b3020139b07e1d470f0de8c509c4d;hb=179e7da4d8d8a474d0b622d60b5f5d32d6ab4052;hpb=d0ae5f106a59d7ac808e03287af2e5a33e50ba8b

diff --git a/src/main/java/net/pterodactylus/sone/data/Post.java b/src/main/java/net/pterodactylus/sone/data/Post.java
index a28bf9f..b6648e2 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 David Roden
+ * Sone - Post.java - Copyright © 2010–2019 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
@@ -17,21 +17,21 @@
 
 package net.pterodactylus.sone.data;
 
+import static com.google.common.base.Optional.absent;
+
 import java.util.Comparator;
-import java.util.UUID;
 
-import net.pterodactylus.util.filter.Filter;
+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 class 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) {
@@ -41,85 +41,15 @@ public class Post {
 	};
 
 	/** Filter for posts with timestamps from the future. */
-	public static final Filter<Post> FUTURE_POSTS_FILTER = new Filter<Post>() {
+	public static final Predicate<Post> FUTURE_POSTS_FILTER = new Predicate<Post>() {
 
 		@Override
-		public boolean filterObject(Post post) {
-			return post.getTime() <= System.currentTimeMillis();
+		public boolean apply(Post post) {
+			return (post != null) && (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;
-
-	/** The text of the post. */
-	private volatile String text;
-
-	/**
-	 * Creates a new post.
-	 *
-	 * @param id
-	 *            The ID of the post
-	 */
-	public Post(String id) {
-		this(id, null, 0, null);
-	}
-
-	/**
-	 * Creates a new post.
-	 *
-	 * @param sone
-	 *            The Sone this post belongs to
-	 * @param text
-	 *            The text of the post
-	 */
-	public Post(Sone sone, String text) {
-		this(sone, System.currentTimeMillis(), text);
-	}
-
-	/**
-	 * Creates a new post.
-	 *
-	 * @param sone
-	 *            The Sone this post belongs to
-	 * @param time
-	 *            The time of the post (in milliseconds since Jan 1, 1970 UTC)
-	 * @param text
-	 *            The text of the post
-	 */
-	public Post(Sone sone, long time, String text) {
-		this(UUID.randomUUID().toString(), sone, time, text);
-	}
-
-	/**
-	 * Creates a new post.
-	 *
-	 * @param id
-	 *            The ID of the post
-	 * @param sone
-	 *            The Sone this post belongs to
-	 * @param time
-	 *            The time of the post (in milliseconds since Jan 1, 1970 UTC)
-	 * @param text
-	 *            The text of the post
-	 */
-	public Post(String id, Sone sone, long time, String text) {
-		this.id = UUID.fromString(id);
-		this.sone = sone;
-		this.time = time;
-		this.text = text;
-	}
-
 	//
 	// ACCESSORS
 	//
@@ -129,126 +59,125 @@ public class Post {
 	 *
 	 * @return The ID of the post
 	 */
-	public String getId() {
-		return id.toString();
-	}
+	public String getId();
 
 	/**
-	 * Returns the Sone this post belongs to.
+	 * Returns whether this post has already been loaded.
 	 *
-	 * @return The Sone of this post
+	 * @return {@code true} if this post has already been loaded, {@code
+	 * false} otherwise
 	 */
-	public Sone getSone() {
-		return sone;
-	}
+	boolean isLoaded();
 
 	/**
-	 * Sets the Sone of this post.
+	 * Returns the Sone this post belongs to.
 	 *
-	 * @param sone
-	 *            The Sone of this post
-	 * @return This post (for method chaining)
+	 * @return The Sone of this post
 	 */
-	public Post setSone(Sone sone) {
-		this.sone = sone;
-		return this;
-	}
+	public Sone getSone();
 
 	/**
-	 * Returns the recipient of this post, if any.
+	 * Returns the ID of the recipient {@link Sone}, or
+	 * {@link Optional#absent()} if this post does not have a recipient.
 	 *
-	 * @return The recipient of this post, or {@code null}
+	 * @return The ID of the recipient, or {@link Optional#absent()}
 	 */
-	public Sone getRecipient() {
-		return recipient;
-	}
+	public Optional<String> getRecipientId();
 
 	/**
-	 * Sets the recipient of this post.
+	 * Returns the recipient of this post, if any.
 	 *
-	 * @param recipient
-	 *            The recipient of this post, or {@code null}
-	 * @return This post (for method chaining)
+	 * @return The recipient of this post, or {@link Optional#absent()} if there
+	 *         is no recipient
 	 */
-	public Post setRecipient(Sone recipient) {
-		if (!sone.equals(recipient)) {
-			this.recipient = recipient;
-		}
-		return this;
-	}
+	public Optional<Sone> getRecipient();
 
 	/**
 	 * Returns the time of the post.
 	 *
 	 * @return The time of the post (in milliseconds since Jan 1, 1970 UTC)
 	 */
-	public long getTime() {
-		return time;
-	}
-
-	/**
-	 * Sets the time of this post.
-	 *
-	 * @param time
-	 *            The time of this post (in milliseconds since Jan 1, 1970 UTC)
-	 * @return This post (for method chaining)
-	 */
-	public Post setTime(long time) {
-		this.time = time;
-		return this;
-	}
+	public long getTime();
 
 	/**
 	 * Returns the text of the post.
 	 *
 	 * @return The text of the post
 	 */
-	public String getText() {
-		return text;
-	}
+	public String getText();
 
 	/**
-	 * Sets the text of this post.
+	 * Returns whether this post is known.
 	 *
-	 * @param text
-	 *            The text of this post
-	 * @return This post (for method chaining)
+	 * @return {@code true} if this post is known, {@code false} otherwise
 	 */
-	public Post setText(String text) {
-		this.text = text;
-		return this;
-	}
-
-	//
-	// OBJECT METHODS
-	//
+	public boolean isKnown();
 
 	/**
-	 * {@inheritDoc}
+	 * Sets whether this post is known.
+	 *
+	 * @param known
+	 *            {@code true} if this post is known, {@code false} otherwise
+	 * @return This post
 	 */
-	@Override
-	public int hashCode() {
-		return id.hashCode();
-	}
+	public Post setKnown(boolean known);
 
 	/**
-	 * {@inheritDoc}
+	 * Shell for a post that has not yet been loaded.
 	 */
-	@Override
-	public boolean equals(Object object) {
-		if (!(object instanceof Post)) {
+	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;
 		}
-		Post post = (Post) object;
-		return post.id.equals(id);
-	}
 
-	/**
-	 * {@inheritDoc}
-	 */
-	@Override
-	public String toString() {
-		return getClass().getName() + "[id=" + id + ",sone=" + sone + ",time=" + time + ",text=" + text + "]";
+		@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;
+		}
+
 	}
 
 }