Remove the shell stuff, make objects mutable.

[Sone.git] / src / main / java / net / pterodactylus / sone / data / ShellCache.java

diff --git a/src/main/java/net/pterodactylus/sone/data/ShellCache.java b/src/main/java/net/pterodactylus/sone/data/ShellCache.java
deleted file mode 100644 (file)
index 7e28285..0000000
--- a/src/main/java/net/pterodactylus/sone/data/ShellCache.java
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Sone - ShellCache.java - Copyright © 2010 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.data;
-
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * {@link Shell}-aware cache that will replace {@link Shell}s with the real
- * objects but not the other way around.
- *
- * @param <T>
- *            The type of the cached objects
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
- */
-public class ShellCache<T> {
-
-       /** The object cache. */
-       private final Map<String, T> objectCache = new HashMap<String, T>();
-
-       /** The shell cache. */
-       private final Map<String, Shell<T>> shellCache = new HashMap<String, Shell<T>>();
-
-       /** The shell creator. */
-       private final ShellCreator<T> shellCreator;
-
-       /**
-        * Creates a new shell cache.
-        *
-        * @param shellCreator
-        *            The creator for new shells
-        */
-       public ShellCache(ShellCreator<T> shellCreator) {
-               this.shellCreator = shellCreator;
-       }
-
-       //
-       // ACCESSORS
-       //
-
-       /**
-        * Stores the given object in this cache. If the given object is not a
-        * {@link Shell}, it is stored. If it is a {@link Shell} it is only stored
-        * if there is no object stored for the given ID.
-        *
-        * @param id
-        *            The ID of the object
-        * @param object
-        *            The object to store
-        * @return The real object, or the shell if there is no real object yet
-        */
-       @SuppressWarnings("unchecked")
-       public T put(String id, T object) {
-               if (!(object instanceof Shell<?>)) {
-                       objectCache.put(id, object);
-                       shellCache.remove(id);
-                       return object;
-               }
-               if (objectCache.containsKey(id)) {
-                       return objectCache.get(id);
-               }
-               shellCache.put(id, (Shell<T>) object);
-               return object;
-       }
-
-       /**
-        * Returns the post with the given ID.
-        *
-        * @param id
-        *            The ID of the post
-        * @return The post with the given ID, or {@code null} if there is no post
-        *         with the given ID
-        */
-       public T get(String id) {
-               if (!objectCache.containsKey(id)) {
-                       if (!shellCache.containsKey(id)) {
-                               Shell<T> shell = shellCreator.createShell(id);
-                               shellCache.put(id, shell);
-                       }
-                       return shellCache.get(id).getShelled();
-               }
-               return objectCache.get(id);
-       }
-
-       /**
-        * Returns all cached shells.
-        *
-        * @return All cached shells
-        */
-       public Collection<Shell<T>> getShells() {
-               return shellCache.values();
-       }
-
-}