From e641b6984bf4d67fb842d7a858e8521f2b34155f Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Mon, 2 Jun 2014 06:43:10 +0200
Subject: [PATCH] Use a multimap to store posts with recipienets.

---
 .../sone/database/memory/MemoryDatabase.java           | 18 ++----------------
 1 file changed, 2 insertions(+), 16 deletions(-)

diff --git a/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java b/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
index 238c533..d7e9f58 100644
--- a/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
+++ b/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
@@ -84,7 +84,7 @@ public class MemoryDatabase extends AbstractService implements Database {
 	private final Multimap<String, Post> sonePosts = HashMultimap.create();
 
 	/** All posts by their recipient. */
-	private final Map<String, Collection<Post>> recipientPosts = new HashMap<String, Collection<Post>>();
+	private final Multimap<String, Post> recipientPosts = HashMultimap.create();
 
 	/** Whether posts are known. */
 	private final Set<String> knownPosts = new HashSet<String>();
@@ -627,26 +627,12 @@ public class MemoryDatabase extends AbstractService implements Database {
 	 * @return All posts
 	 */
 	private Collection<Post> getPostsTo(String recipientId) {
-		Collection<Post> posts = null;
 		lock.readLock().lock();
 		try {
-			posts = recipientPosts.get(recipientId);
+			return recipientPosts.get(recipientId);
 		} finally {
 			lock.readLock().unlock();
 		}
-		if (posts != null) {
-			return posts;
-		}
-
-		posts = new HashSet<Post>();
-		lock.writeLock().lock();
-		try {
-			recipientPosts.put(recipientId, posts);
-		} finally {
-			lock.writeLock().unlock();
-		}
-
-		return posts;
 	}
 
 	/** Loads the known posts. */
-- 
2.7.4