X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdatabase%2Fmemory%2FMemoryDatabase.java;h=d7e9f58189a9456911d3c770e75f78c7409be388;hp=8b2595403ebf22d508d6cb453e22b6a428c2d479;hb=e641b6984bf4d67fb842d7a858e8521f2b34155f;hpb=9d32a0f70e14a764946ae29edcf07304f9e5f75e

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 8b25954..d7e9f58 100644
--- a/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
+++ b/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
@@ -54,6 +54,8 @@ import net.pterodactylus.util.config.Configuration;
 import net.pterodactylus.util.config.ConfigurationException;
 
 import com.google.common.base.Optional;
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.Multimap;
 import com.google.common.collect.SortedSetMultimap;
 import com.google.common.collect.TreeMultimap;
 import com.google.common.util.concurrent.AbstractService;
@@ -79,10 +81,10 @@ public class MemoryDatabase extends AbstractService implements Database {
 	private final Map<String, Post> allPosts = new HashMap<String, Post>();
 
 	/** All posts by their Sones. */
-	private final Map<String, Collection<Post>> sonePosts = new HashMap<String, Collection<Post>>();
+	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>();
@@ -256,8 +258,8 @@ public class MemoryDatabase extends AbstractService implements Database {
 		lock.writeLock().lock();
 		try {
 			/* remove all posts by the Sone. */
-			getPostsFrom(sone.getId()).clear();
-			for (Post post : posts) {
+			Collection<Post> oldPosts = getPostsFrom(sone.getId());
+			for (Post post : oldPosts) {
 				allPosts.remove(post.getId());
 				if (post.getRecipientId().isPresent()) {
 					getPostsTo(post.getRecipientId().get()).remove(post);
@@ -608,26 +610,12 @@ public class MemoryDatabase extends AbstractService implements Database {
 	 * @return All posts
 	 */
 	private Collection<Post> getPostsFrom(String soneId) {
-		Collection<Post> posts = null;
 		lock.readLock().lock();
 		try {
-			posts = sonePosts.get(soneId);
+			return sonePosts.get(soneId);
 		} finally {
 			lock.readLock().unlock();
 		}
-		if (posts != null) {
-			return posts;
-		}
-
-		posts = new HashSet<Post>();
-		lock.writeLock().lock();
-		try {
-			sonePosts.put(soneId, posts);
-		} finally {
-			lock.writeLock().unlock();
-		}
-
-		return posts;
 	}
 
 	/**
@@ -639,26 +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. */