/*
- * Sone - Reply.java - Copyright © 2010 David Roden
+ * Sone - Reply.java - Copyright © 2010–2013 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;
+import com.google.common.base.Predicate;
+import com.google.common.primitives.Longs;
/**
- * A reply is like a {@link Post} but can never be posted on its own, it always
- * refers to another {@link Post}.
+ * Defines methods common for all replies.
*
+ * @param <T>
+ * The type of the reply
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public class Reply {
+public interface Reply<T extends Reply<T>> {
/** Comparator that sorts replies ascending by time. */
- public static final Comparator<Reply> TIME_COMPARATOR = new Comparator<Reply>() {
-
+ Comparator<? super Reply<?>> TIME_COMPARATOR = new Comparator<Reply<?>>() {
@Override
- public int compare(Reply leftReply, Reply rightReply) {
- return (int) Math.max(Integer.MIN_VALUE, Math.min(Integer.MAX_VALUE, leftReply.getTime() - rightReply.getTime()));
+ public int compare(Reply<?> leftReply, Reply<?> rightReply) {
+ return Longs.compare(leftReply.getTime(), rightReply.getTime());
}
-
};
/** Filter for replies with timestamps from the future. */
- public static final Filter<Reply> FUTURE_REPLIES_FILTER = new Filter<Reply>() {
-
+ Predicate<Reply<?>> FUTURE_REPLY_FILTER = new Predicate<Reply<?>>() {
@Override
- public boolean filterObject(Reply reply) {
- return reply.getTime() <= System.currentTimeMillis();
+ public boolean apply(Reply<?> reply) {
+ return (reply != null) && (reply.getTime() <= System.currentTimeMillis());
}
-
};
- /** The ID of the reply. */
- private final UUID id;
-
- /** The Sone that posted this reply. */
- private volatile Sone sone;
-
- /** The Post this reply refers to. */
- private volatile Post post;
-
- /** The time of the reply. */
- private volatile long time;
-
- /** The text of the reply. */
- private volatile String text;
-
- /**
- * Creates a new reply.
- *
- * @param id
- * The ID of the reply
- */
- public Reply(String id) {
- this(id, null, null, 0, null);
- }
-
- /**
- * Creates a new reply.
- *
- * @param sone
- * The sone that posted the reply
- * @param post
- * The post to reply to
- * @param text
- * The text of the reply
- */
- public Reply(Sone sone, Post post, String text) {
- this(sone, post, System.currentTimeMillis(), text);
- }
-
- /**
- * Creates a new reply-
- *
- * @param sone
- * The sone that posted the reply
- * @param post
- * The post to reply to
- * @param time
- * The time of the reply
- * @param text
- * The text of the reply
- */
- public Reply(Sone sone, Post post, long time, String text) {
- this(UUID.randomUUID().toString(), sone, post, time, text);
- }
-
- /**
- * Creates a new reply-
- *
- * @param sone
- * The sone that posted the reply
- * @param id
- * The ID of the reply
- * @param post
- * The post to reply to
- * @param time
- * The time of the reply
- * @param text
- * The text of the reply
- */
- public Reply(String id, Sone sone, Post post, long time, String text) {
- this.id = UUID.fromString(id);
- this.sone = sone;
- this.post = post;
- this.time = time;
- this.text = text;
- }
-
- //
- // ACCESSORS
- //
-
/**
* Returns the ID of the reply.
*
* @return The ID of the reply
*/
- public String getId() {
- return id.toString();
- }
+ String getId();
+ String getInternalId();
/**
* Returns the Sone that posted this reply.
*
* @return The Sone that posted this reply
*/
- public Sone getSone() {
- return sone;
- }
-
- /**
- * Sets the Sone that posted this reply.
- *
- * @param sone
- * The Sone that posted this reply
- * @return This reply (for method chaining)
- */
- public Reply setSone(Sone sone) {
- this.sone = sone;
- return this;
- }
-
- /**
- * Returns the post this reply refers to.
- *
- * @return The post this reply refers to
- */
- public Post getPost() {
- return post;
- }
-
- /**
- * Sets the post this reply refers to.
- *
- * @param post
- * The post this reply refers to
- * @return This reply (for method chaining)
- */
- public Reply setPost(Post post) {
- this.post = post;
- return this;
- }
+ Sone getSone();
/**
* Returns the time of the reply.
*
* @return The time of the reply (in milliseconds since Jan 1, 1970 UTC)
*/
- public long getTime() {
- return time;
- }
-
- /**
- * Sets the time of this reply.
- *
- * @param time
- * The time of this reply (in milliseconds since Jan 1, 1970 UTC)
- * @return This reply (for method chaining)
- */
- public Reply setTime(long time) {
- this.time = time;
- return this;
- }
+ long getTime();
/**
* Returns the text of the reply.
*
* @return The text of the reply
*/
- public String getText() {
- return text;
- }
+ String getText();
/**
- * Sets the text of this reply.
+ * Returns whether this reply is known.
*
- * @param text
- * The text of this reply
- * @return This reply (for method chaining)
- */
- public Reply setText(String text) {
- this.text = text;
- return this;
- }
-
- //
- // OBJECT METHODS
- //
-
- /**
- * {@inheritDoc}
- */
- @Override
- public int hashCode() {
- return id.hashCode();
- }
-
- /**
- * {@inheritDoc}
+ * @return {@code true} if this reply is known, {@code false} otherwise
*/
- @Override
- public boolean equals(Object object) {
- if (!(object instanceof Reply)) {
- return false;
- }
- Reply reply = (Reply) object;
- return reply.id.equals(id);
- }
+ boolean isKnown();
/**
- * {@inheritDoc}
+ * Sets whether this reply is known.
+ *
+ * @param known
+ * {@code true} if this reply is known, {@code false} otherwise
+ * @return This reply
*/
- @Override
- public String toString() {
- return getClass().getName() + "[id=" + id + ",sone=" + sone + ",post=" + post + ",time=" + time + ",text=" + text + "]";
- }
+ T setKnown(boolean known);
}