--- /dev/null
+/*
+ * Copyright (c) 2007-2008 Fabrizio Frioli, Michele Pedrolli
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * --
+ *
+ * Please send your questions/suggestions to:
+ * {fabrizio.frioli, michele.pedrolli} at studenti dot unitn dot it
+ *
+ */
+
+package example.bittorrent;
+
+import peersim.core.*;
+
+/**
+ * This class defines a simple message.
+ * A simple message has its type and the reference of the sender node.
+ * @see SimpleEvent
+ */
+public class SimpleMsg extends SimpleEvent {
+
+ /**
+ * The sender of the message.
+ */
+ protected Node sender;
+
+ public SimpleMsg(){
+ }
+
+ /**
+ * Initializes the simple message with its type and sender.
+ * @param type The identifier of the type of the message
+ * @param sender The sender of the message
+ */
+ public SimpleMsg(int type, Node sender){
+ super.type = type;
+ this.sender = sender;
+ }
+
+ /**
+ * Gets the sender of the message.
+ * @return The sender of the message.
+ */
+ public Node getSender(){
+ return this.sender;
+ }
+}
