--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/access/Access.java	Thu Nov 15 14:22:12 2012 +0100
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/access/Access.java	Thu Nov 15 14:23:03 2012 +0100
@@ -37,6 +37,8 @@
         this.artifact = artifact;
     }
 
+
+    /** Get a data entry as string. */
     protected String getString(String key) {
         StateData sd = artifact.getData(key);
         if (sd == null) {
@@ -46,6 +48,7 @@
         return (String)sd.getValue();
     }
 
+    /** Get a data entry as double, returns null if string not double valueoffable. */
     protected Double getDouble(String key) {
         StateData sd = artifact.getData(key);
         if (sd == null) {