2 * Sone - PostProvider.java - Copyright © 2011–2013 David Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.sone.database;
20 import java.util.Collection;
22 import net.pterodactylus.sone.data.Post;
23 import net.pterodactylus.sone.database.memory.MemoryDatabase;
25 import com.google.common.base.Optional;
26 import com.google.inject.ImplementedBy;
29 * Interface for objects that can provide {@link Post}s by their ID.
31 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
33 @ImplementedBy(MemoryDatabase.class)
34 public interface PostProvider {
37 * Returns the post with the given ID.
40 * The ID of the post to return
41 * @return The post with the given ID, or {@code null}
43 public Optional<Post> getPost(String postId);
46 * Returns all posts from the given Sone.
50 * @return All posts from the given Sone
52 public Collection<Post> getPosts(String soneId);
55 * Returns all posts that have the given Sone as recipient.
57 * @see Post#getRecipient()
59 * The ID of the recipient of the posts
60 * @return All posts that have the given Sone as recipient
62 public Collection<Post> getDirectedPosts(String recipientId);