X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FPost.java;h=5a1c2c5a5b2e0c1728de23fe521b83fd6bfd2c55;hb=e4bd9c71422dc24bacc7970f270880725bc7ee4e;hp=5269fe46f15ee9dcd796639844090b80d507bc74;hpb=45803a1c678d6811f7bbf85d50c79844031be0f0;p=Sone.git
diff --git a/src/main/java/net/pterodactylus/sone/data/Post.java b/src/main/java/net/pterodactylus/sone/data/Post.java
index 5269fe4..5a1c2c5 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 © 2010â2013 David Roden
+ * Sone - Post.java - Copyright © 2010â2016 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
@@ -17,6 +17,8 @@
package net.pterodactylus.sone.data;
+import static com.google.common.base.Optional.absent;
+
import java.util.Comparator;
import com.google.common.base.Optional;
@@ -28,10 +30,10 @@ import com.google.common.base.Predicate;
*
* @author David âBombeâ Roden
*/
-public interface Post {
+public interface Post extends Identified {
/** Comparator for posts, sorts descending by time. */
- public static final Comparator TIME_COMPARATOR = new Comparator() {
+ public static final Comparator NEWEST_FIRST = new Comparator() {
@Override
public int compare(Post leftPost, Post rightPost) {
@@ -45,7 +47,7 @@ public interface Post {
@Override
public boolean apply(Post post) {
- return post.getTime() <= System.currentTimeMillis();
+ return (post != null) && (post.getTime() <= System.currentTimeMillis());
}
};
@@ -62,19 +64,19 @@ public interface Post {
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();
+ boolean isLoaded();
/**
- * Returns whether this post has a recipient.
+ * Returns the Sone this post belongs to.
*
- * @return {@code true} if this post has a recipient, {@code false}
- * otherwise
+ * @return The Sone of this post
*/
- public boolean hasRecipient();
+ public Sone getSone();
/**
* Returns the ID of the recipient {@link Sone}, or
@@ -85,10 +87,7 @@ public interface Post {
public Optional 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
@@ -125,4 +124,65 @@ public interface Post {
*/
public Post setKnown(boolean known);
+ /**
+ * Shell for a post that has not yet been loaded.
+ *
+ * @author David âBombeâ
+ * Roden
+ */
+ 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 getRecipientId() {
+ return absent();
+ }
+
+ @Override
+ public Optional 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;
+ }
+
+ }
+
}