--- a/artifact-database/src/main/java/de/intevation/artifactdatabase/DefaultArtifact.java	Sat Sep 12 10:45:28 2009 +0000
+++ b/artifact-database/src/main/java/de/intevation/artifactdatabase/DefaultArtifact.java	Sun Sep 13 14:50:53 2009 +0000
@@ -3,6 +3,7 @@
 import org.w3c.dom.Document;
 
 import de.intevation.artifacts.Artifact;
+import de.intevation.artifacts.CallContext;
 import de.intevation.artifacts.ArtifactFactory;
 
 import org.apache.log4j.Logger;
@@ -31,22 +32,22 @@
         return String.valueOf(hashCode());
     }
 
-    public Document describe(Object context) {
+    public Document describe(CallContext context) {
         return XMLUtils.newDocument();
     }
 
-    public Document advance(Document target, Object context) {
+    public Document advance(Document target, CallContext context) {
         return XMLUtils.newDocument();
     }
 
-    public Document feed(Document target, Object context) {
+    public Document feed(Document target, CallContext context) {
         return XMLUtils.newDocument();
     }
 
     public void out(
         Document     format,
         OutputStream out,
-        Object       context
+        CallContext  context
     )
     throws IOException
     {