--- /dev/null
+/*
+ * Sone - PostDatabase.java - Copyright © 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 net.pterodactylus.util.config.Configuration;
+import net.pterodactylus.util.config.ConfigurationException;
+
+/**
+ * Combines a {@link PostProvider}, a {@link PostBuilderFactory}, and a
+ * {@link PostStore} into a complete post database.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public interface PostDatabase extends PostProvider, PostBuilderFactory, PostStore {
+
+ /*
+ * these methods have to be here until the database knows how to save its
+ * own stuff. all the configuration-specific stuff will have to leave!
+ */
+
+ /**
+ * Loads the knows posts.
+ *
+ * @param configuration
+ * The configuration to load the known posts from
+ * @param prefix
+ * The prefix for the configuration keys
+ */
+ public void loadKnownPosts(Configuration configuration, String prefix);
+
+ /**
+ * Saves the knows posts.
+ *
+ * @param configuration
+ * The configuration to save the known posts to
+ * @param prefix
+ * The prefix for the configuration keys
+ * @throws ConfigurationException
+ * if a value can not be stored in the configuration
+ */
+ public void saveKnownPosts(Configuration configuration, String prefix) throws ConfigurationException;
+
+}