--- /dev/null
+/*
+ * Copyright (c) 2003-2005 The BISON Project
+ *
+ * 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.
+ *
+ */
+
+package peersim.cdsim;
+
+import peersim.core.*;
+
+/**
+* Shuffles the network. After shuffling, the order in which the nodes
+* are iterated over during a cycle of a cycle driven simulation
+* will be random. It has an effect only in cycle driven simulations.
+*/
+public class Shuffle implements Control {
+
+
+// ========================= fields =================================
+// ==================================================================
+
+// ==================== initialization ==============================
+// ==================================================================
+
+/** Does nothing. */
+public Shuffle(String prefix) {}
+
+
+// ===================== public methods ==============================
+// ===================================================================
+
+
+/**
+* Calls {@link Network#shuffle()}.
+* As a result, the order in which the nodes
+* are iterated over during a cycle of a cycle driven simulation
+* will be random. It has an effect only in cycle driven simulations.
+*/
+public final boolean execute() {
+ Network.shuffle();
+ return false;
+}
+
+
+}
+
+
