+/*
+ * Sone - PostProvider.java - Copyright © 2011–2013 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
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.database;
+
+import java.util.Collection;
+
+import net.pterodactylus.sone.data.Post;
+
+/**
+ * Interface for objects that can provide {@link Post}s by their ID.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public interface PostProvider {
+
+ /**
+ * Returns the post with the given ID.
+ *
+ * @param postId
+ * The ID of the post to return
+ * @return The post with the given ID, or {@code null}
+ */
+ public Post getPost(String postId);
+
+ /**
+ * Returns all posts that have the given Sone as recipient.
+ *
+ * @see Post#getRecipient()
+ * @param recipientId
+ * The ID of the recipient of the posts
+ * @return All posts that have the given Sone as recipient
+ */
+ public Collection<Post> getDirectedPosts(String recipientId);
+
+}