--- /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.util;
+
+/**
+* This class provides iterations over the set of integers [0...k-1].
+*/
+public interface IndexIterator {
+
+ /**
+ * This resets the iteration. The set of integers will be 0,..,k-1.
+ */
+ public void reset(int k);
+
+ /**
+ * Returns next index.
+ */
+ public int next();
+
+ /**
+ * Returns true if {@link #next} can be called at least one more time.
+ * Note that {@link #next} can be called k times after {@link #reset}.
+ */
+ public boolean hasNext();
+}
+
