1 files changed, 30 insertions, 0 deletions
diff --git a/instance-calculator/src/Instances.java b/instance-calculator/src/Instances.java
new file mode 100644
index 0000000..5d6ec8b
--- /dev/null
+++ b/instance-calculator/src/Instances.java
@@ -0,0 +1,30 @@
+import java.util.*;
+
+public class Instances
+{
+   private static final Map<Integer, String> instances;
+
+   static
+   {
+      instances = new HashMap<Integer, String>();
+   }
+
+   public static String get_id_for (final int i)
+   {
+      final Integer j;
+      String result;
+
+      j = new Integer(i);
+
+      result = instances.get(j);
+
+      if (result == null)
+      {
+         result = (Main.get_parameters().get_id_prefix() + i);
+
+         instances.put(j, result);
+      }
+
+      return result;
+   }
+}