--- a/flys-aft/src/main/java/de/intevation/db/SymbolicStatement.java	Wed Dec 14 17:53:15 2011 +0000
+++ b/flys-aft/src/main/java/de/intevation/db/SymbolicStatement.java	Fri Dec 16 11:26:12 2011 +0000
@@ -45,7 +45,7 @@
             }
         }
 
-        public void setInt(String key, int value)
+        public Instance setInt(String key, int value)
         throws SQLException 
         {
             List<Integer> pos = positions.get(key.toLowerCase());
@@ -54,9 +54,11 @@
                     stmnt.setInt(p, value);
                 }
             }
+
+            return this;
         }
 
-        public void setString(String key, String value)
+        public Instance setString(String key, String value)
         throws SQLException 
         {
             List<Integer> pos = positions.get(key.toLowerCase());
@@ -65,9 +67,10 @@
                     stmnt.setString(p, value);
                 }
             }
+            return this;
         }
 
-        public void setObject(String key, Object value)
+        public Instance setObject(String key, Object value)
         throws SQLException 
         {
             List<Integer> pos = positions.get(key.toLowerCase());
@@ -76,9 +79,10 @@
                     stmnt.setObject(p, value);
                 }
             }
+            return this;
         }
 
-        public void setTimestamp(String key, Timestamp value)
+        public Instance setTimestamp(String key, Timestamp value)
         throws SQLException 
         {
             List<Integer> pos = positions.get(key.toLowerCase());
@@ -87,9 +91,10 @@
                     stmnt.setTimestamp(p, value);
                 }
             }
+            return this;
         }
 
-        public void setDouble(String key, int value)
+        public Instance setDouble(String key, int value)
         throws SQLException 
         {
             List<Integer> pos = positions.get(key.toLowerCase());
@@ -98,9 +103,10 @@
                     stmnt.setDouble(p, value);
                 }
             }
+            return this;
         }
 
-        public void setNull(String key, int sqlType)
+        public Instance setNull(String key, int sqlType)
         throws SQLException 
         {
             List<Integer> pos = positions.get(key.toLowerCase());
@@ -109,16 +115,19 @@
                     stmnt.setNull(p, sqlType);
                 }
             }
+            return this;
         }
 
-        public void set(Map<String, Object> map) throws SQLException {
+        public Instance set(Map<String, Object> map) throws SQLException {
             for (Map.Entry<String, Object> entry: map.entrySet()) {
                 setObject(entry.getKey(), entry.getValue());
             }
+            return this;
         }
 
-        public void clearParameters() throws SQLException {
+        public Instance clearParameters() throws SQLException {
             stmnt.clearParameters();
+            return this;
         }
 
         public boolean execute() throws SQLException {