/*
- * FreenetSone - StatusUpdate.java - Copyright © 2010 David Roden
+ * Sone - Post.java - Copyright © 2010 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
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 final long time;
+ private volatile long time;
/** The text of the post. */
- private final String text;
+ 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(long time, String text) {
+ 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
+ //
+
+ /**
+ * Returns the ID of the post.
+ *
+ * @return The ID of the post
+ */
+ public String getId() {
+ return id.toString();
+ }
+
+ /**
+ * Returns the Sone this post belongs to.
+ *
+ * @return The Sone of this post
+ */
+ public Sone getSone() {
+ return sone;
+ }
+
+ /**
+ * Sets the Sone of this post.
+ *
+ * @param sone
+ * The Sone of this post
+ * @return This post (for method chaining)
+ */
+ public Post setSone(Sone sone) {
+ this.sone = sone;
+ return this;
+ }
+
+ /**
+ * 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.
*
}
/**
+ * 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;
+ }
+
+ /**
* Returns the text of the post.
*
* @return The text of the post
return text;
}
+ /**
+ * Sets the text of this post.
+ *
+ * @param text
+ * The text of this post
+ * @return This post (for method chaining)
+ */
+ public Post setText(String text) {
+ this.text = text;
+ return this;
+ }
+
//
// OBJECT METHODS
//
*/
@Override
public int hashCode() {
- return text.hashCode() ^ (int) (time >> 32) ^ (int) (time & 0xffffffff);
+ return id.hashCode();
}
/**
return false;
}
Post post = (Post) object;
- return (post.time == time) && (post.text.equals(text));
+ return post.id.equals(id);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String toString() {
+ return getClass().getName() + "[id=" + id + ",sone=" + sone + ",time=" + time + ",text=" + text + "]";
}
}