X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdatabase%2Fmemory%2FMemoryDatabase.java;h=691b604bde9367bdab6696193c272f0b5726f890;hb=24a1147058b1a8e4c3021dd61b0b24d4e350eabb;hp=01b78398c0dfdfeb57471c2d718d7ea5396830bd;hpb=95638f1b175255f63ca23f8292d71b8ee1a93de7;p=Sone.git

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 01b7839..691b604 100644
--- a/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
+++ b/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
@@ -95,6 +95,8 @@ public class MemoryDatabase extends AbstractService implements Database {
 
 	/** All post replies by their ID. */
 	private final Map<String, PostReply> allPostReplies = new HashMap<String, PostReply>();
+	private final SetMultimap<String, String> likedPostRepliesBySone = HashMultimap.create();
+	private final SetMultimap<String, String> postReplyLikingSones = HashMultimap.create();
 
 	/** Replies sorted by Sone. */
 	private final SortedSetMultimap<String, PostReply> sonePostReplies = TreeMultimap.create(new Comparator<String>() {
@@ -442,6 +444,48 @@ public class MemoryDatabase extends AbstractService implements Database {
 		}
 	}
 
+	@Override
+	public void likePostReply(PostReply postReply, Sone localSone) {
+		lock.writeLock().lock();
+		try {
+			likedPostRepliesBySone.put(localSone.getId(), postReply.getId());
+			postReplyLikingSones.put(postReply.getId(), localSone.getId());
+		} finally {
+			lock.writeLock().unlock();
+		}
+	}
+
+	@Override
+	public void unlikePostReply(PostReply postReply, Sone localSone) {
+		lock.writeLock().lock();
+		try {
+			likedPostRepliesBySone.remove(localSone.getId(), postReply.getId());
+			postReplyLikingSones.remove(postReply.getId(), localSone.getId());
+		} finally {
+			lock.writeLock().unlock();
+		}
+	}
+
+	@Override
+	public boolean isLiked(PostReply postReply, Sone sone) {
+		lock.readLock().lock();
+		try {
+			return postReplyLikingSones.containsEntry(postReply.getId(), sone.getId());
+		} finally {
+			lock.readLock().unlock();
+		}
+	}
+
+	@Override
+	public Set<Sone> getLikes(PostReply postReply) {
+		lock.readLock().lock();
+		try {
+			return from(postReplyLikingSones.get(postReply.getId())).transform(getSone()).transformAndConcat(this.<Sone>unwrap()).toSet();
+		} finally {
+			lock.readLock().unlock();
+		}
+	}
+
 	//
 	// POSTREPLYSTORE METHODS
 	//