Added expiration timer to sessions. Sessions will now last up to 10 minutes (by default) before removed, so you can quickly disconnect (or crash) and come back and still maintain your history.

src/main/java/com/sk89q/worldedit/SessionCheck.java

@@ -0,0 +1,37 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010, 2011 sk89q <http://www.sk89q.com>
+ *
+ * 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 com.sk89q.worldedit;
+
+/**
+ * Used to discard old sessions.
+ *
+ * @author sk89q
+ */
+public interface SessionCheck {
+    
+    /**
+     * Checks if a player is online.
+     * 
+     * @param name
+     * @return
+     */
+    public boolean isOnlinePlayer(String name);
+    
+}