From 1b53b3ea48254d51bfe8c9389066fc9628efab4b Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Mon, 4 Nov 2013 06:27:03 +0100
Subject: [PATCH] Add method to expose a Post loader.

---
 .../java/net/pterodactylus/sone/database/PostDatabase.java     |  3 +++
 .../net/pterodactylus/sone/database/memory/MemoryDatabase.java | 10 ++++++++++
 2 files changed, 13 insertions(+)

diff --git a/src/main/java/net/pterodactylus/sone/database/PostDatabase.java b/src/main/java/net/pterodactylus/sone/database/PostDatabase.java
index 7bfa33a..9480071 100644
--- a/src/main/java/net/pterodactylus/sone/database/PostDatabase.java
+++ b/src/main/java/net/pterodactylus/sone/database/PostDatabase.java
@@ -22,6 +22,7 @@ import java.util.Collection;
 import net.pterodactylus.sone.data.Post;
 import net.pterodactylus.sone.data.Sone;
 
+import com.google.common.base.Function;
 import com.google.common.base.Optional;
 
 /**
@@ -31,6 +32,8 @@ import com.google.common.base.Optional;
  */
 public interface PostDatabase {
 
+	Function<String, Optional<Post>> getPost();
+
 	/**
 	 * Returns the post with the given ID.
 	 *
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 02ca290..8343caf 100644
--- a/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
+++ b/src/main/java/net/pterodactylus/sone/database/memory/MemoryDatabase.java
@@ -244,6 +244,16 @@ public class MemoryDatabase extends AbstractService implements Database {
 	//
 
 	@Override
+	public Function<String, Optional<Post>> getPost() {
+		return new Function<String, Optional<Post>>() {
+			@Override
+			public Optional<Post> apply(String postId) {
+				return (postId == null) ? Optional.<Post>absent() : getPost(postId);
+			}
+		};
+	}
+
+	@Override
 	public Optional<Post> getPost(String postId) {
 		lock.readLock().lock();
 		try {
-- 
2.7.4