X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;ds=inline;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2FPost.java;h=5a1c2c5a5b2e0c1728de23fe521b83fd6bfd2c55;hb=648e6f419534c315ade5a506e8ec8820872ee7c8;hp=160bb3284e330b55b646409723ab22e54be2701f;hpb=da609f721e54691f27113e877a19637bd332abc3;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 160bb32..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
@@ -17,8 +17,11 @@
package net.pterodactylus.sone.data;
+import static com.google.common.base.Optional.absent;
+
import java.util.Comparator;
+import com.google.common.base.Optional;
import com.google.common.base.Predicate;
/**
@@ -27,10 +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) {
@@ -44,7 +47,7 @@ public interface Post {
@Override
public boolean apply(Post post) {
- return post.getTime() <= System.currentTimeMillis();
+ return (post != null) && (post.getTime() <= System.currentTimeMillis());
}
};
@@ -61,6 +64,14 @@ public interface Post {
public String getId();
/**
+ * Returns whether this post has already been loaded.
+ *
+ * @return {@code true} if this post has already been loaded, {@code
+ * false} otherwise
+ */
+ boolean isLoaded();
+
+ /**
* Returns the Sone this post belongs to.
*
* @return The Sone of this post
@@ -68,11 +79,20 @@ public interface Post {
public Sone getSone();
/**
+ * Returns the ID of the recipient {@link Sone}, or
+ * {@link Optional#absent()} if this post does not have a recipient.
+ *
+ * @return The ID of the recipient, or {@link Optional#absent()}
+ */
+ public Optional getRecipientId();
+
+ /**
* Returns the recipient of this post, if any.
*
- * @return The recipient of this post, or {@code null}
+ * @return The recipient of this post, or {@link Optional#absent()} if there
+ * is no recipient
*/
- public Sone getRecipient();
+ public Optional getRecipient();
/**
* Returns the time of the post.
@@ -104,4 +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;
+ }
+
+ }
+
}