/*
- * Sone - Reply.java - Copyright © 2011–2012 David Roden
+ * Sone - Reply.java - Copyright © 2010–2016 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 com.google.common.base.Predicate;
/**
- * Abstract base class for all replies.
+ * 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 abstract class Reply<T extends Reply<T>> {
+public interface Reply<T extends Reply<T>> extends Identified {
/** Comparator that sorts replies ascending by time. */
- public static final Comparator<Reply<?>> TIME_COMPARATOR = new Comparator<Reply<?>>() {
+ public static final Comparator<? super Reply<?>> TIME_COMPARATOR = new Comparator<Reply<?>>() {
/**
* {@inheritDoc}
*/
@Override
public boolean apply(Reply<?> reply) {
- return reply.getTime() <= System.currentTimeMillis();
+ return (reply != null) && (reply.getTime() <= System.currentTimeMillis());
}
};
- /** The ID of the reply. */
- private final String id;
-
- /** The Sone that created this reply. */
- private volatile Sone sone;
-
- /** The time of the reply. */
- private volatile long time;
-
- /** The text of the reply. */
- private volatile String text;
-
- /** Whether the reply is known. */
- private volatile boolean known;
-
- /**
- * Creates a new reply with the given ID.
- *
- * @param id
- * The ID of the reply
- */
- protected Reply(String id) {
- this(id, null, 0, null);
- }
-
- /**
- * Creates a new reply with a new random ID.
- *
- * @param sone
- * The Sone of the reply
- * @param time
- * The time of the reply
- * @param text
- * The text of the reply
- */
- protected Reply(Sone sone, long time, String text) {
- this(UUID.randomUUID().toString(), sone, time, text);
- }
-
- /**
- * Creates a new reply.
- *
- * @param id
- * The ID of the reply
- * @param sone
- * The Sone of the reply
- * @param time
- * The time of the reply
- * @param text
- * The text of the reply
- */
- protected Reply(String id, Sone sone, long time, String text) {
- this.id = id;
- this.sone = sone;
- this.time = time;
- this.text = text;
- }
-
/**
* Returns the ID of the reply.
*
* @return The ID of the reply
*/
- public String getId() {
- return id;
- }
+ public String getId();
/**
* 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)
- */
- @SuppressWarnings("unchecked")
- public T setSone(Sone sone) {
- this.sone = sone;
- return (T) this;
- }
+ public 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)
- */
- @SuppressWarnings("unchecked")
- public T setTime(long time) {
- this.time = time;
- return (T) this;
- }
+ public long getTime();
/**
* Returns the text of the reply.
*
* @return The text of the reply
*/
- public String getText() {
- return text;
- }
-
- /**
- * Sets the text of this reply.
- *
- * @param text
- * The text of this reply
- * @return This reply (for method chaining)
- */
- @SuppressWarnings("unchecked")
- public T setText(String text) {
- this.text = text;
- return (T) this;
- }
+ public String getText();
/**
* Returns whether this reply is known.
*
* @return {@code true} if this reply is known, {@code false} otherwise
*/
- public boolean isKnown() {
- return known;
- }
+ public boolean isKnown();
/**
* Sets whether this reply is known.
* {@code true} if this reply is known, {@code false} otherwise
* @return This reply
*/
- @SuppressWarnings("unchecked")
- public T setKnown(boolean known) {
- this.known = known;
- return (T) this;
- }
-
- //
- // OBJECT METHODS
- //
-
- /**
- * {@inheritDoc}
- */
- @Override
- public int hashCode() {
- return id.hashCode();
- }
-
- /**
- * {@inheritDoc}
- */
- @Override
- public boolean equals(Object object) {
- if (!(object instanceof Reply<?>)) {
- return false;
- }
- Reply<?> reply = (Reply<?>) object;
- return reply.id.equals(id);
- }
-
- /**
- * {@inheritDoc}
- */
- @Override
- public String toString() {
- return getClass().getName() + "[id=" + id + ",sone=" + sone + ",time=" + time + ",text=" + text + "]";
- }
+ public T setKnown(boolean known);
}