allow counter to reset from a start

Change-Id: Ibcc6fdb66bc758450fd75c70960b481692e06bfe
Reviewed-on: https://asterix-gerrit.ics.uci.edu/270
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Ian Maxon <imaxon@uci.edu>
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/Counter.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/Counter.java
index 70819a6..3dd4704 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/Counter.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/algebra/base/Counter.java
@@ -31,4 +31,8 @@
     public void inc() {
         ++counter;
     }
+
+    public void set(int newStart) {
+        counter = newStart;
+    }
 }