--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/EDU/oswego/cs/dl/util/concurrent/BrokenBarrierException.java	Sat Mar 21 11:00:06 2009 +0000
@@ -0,0 +1,43 @@
+/*
+  File: BrokenBarrierException.java
+
+  Originally written by Doug Lea and released into the public domain.
+  This may be used for any purposes whatsoever without acknowledgment.
+  Thanks for the assistance and support of Sun Microsystems Labs,
+  and everyone contributing, testing, and using this code.
+
+  History:
+  Date       Who                What
+  29Jun1998  dl               Create public version
+*/
+
+package EDU.oswego.cs.dl.util.concurrent;
+
+/**
+ * Thrown by Barrier upon interruption of participant threads
+ **/
+
+public class BrokenBarrierException extends RuntimeException {
+
+  /** 
+   * The index that barrier would have returned upon
+   * normal return;
+   **/
+
+  public final int index;
+  /**
+   * Constructs a BrokenBarrierException with given index
+   **/
+  public BrokenBarrierException(int idx) {
+    index = idx;
+  }
+
+  /**
+     * Constructs a BrokenBarrierException with the
+     * specified index and detail message.
+     */
+  public BrokenBarrierException(int idx, String message) {
+    super(message);
+    index = idx;
+  }
+}