--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/Datacage.java	Mon Aug 01 08:31:09 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/Datacage.java	Mon Aug 01 14:58:15 2011 +0000
@@ -8,11 +8,15 @@
 import java.sql.Types;
 
 import de.intevation.artifacts.GlobalContext;
+import de.intevation.artifacts.ArtifactCollection;
+import de.intevation.artifacts.User;
 
 import de.intevation.artifactdatabase.db.SQL;
 import de.intevation.artifactdatabase.db.SQLExecutor;
 
 import de.intevation.artifactdatabase.LifetimeListener;
+import de.intevation.artifactdatabase.BackendListener;
+import de.intevation.artifactdatabase.Backend;
 
 import de.intevation.artifactdatabase.data.StateData;
 
@@ -32,10 +36,13 @@
 import org.w3c.dom.Document;
 
 public class Datacage
-implements   LifetimeListener
+implements   LifetimeListener, BackendListener
 {
     private static Logger log = Logger.getLogger(Datacage.class);
 
+    public static final String DATACAGE_KEY =
+        "global.datacage.instance";
+
     public static final String ARTEFACT_DATABASE_KEY =
         "global.artifact.database";
 
@@ -516,6 +523,7 @@
     public void systemUp(GlobalContext context) {
         log.debug("systemUp entered");
         initialScan(context);
+        context.put(DATACAGE_KEY, this);
         log.debug("systemUp leaved");
     }
 
@@ -571,5 +579,88 @@
     public void systemDown(GlobalContext context) {
         log.debug("systemDown");
     }
+
+    @Override
+    public void setup(GlobalContext globalContext) {
+        log.debug("setup");
+    }
+
+    @Override
+    public void createdArtifact(Artifact artifact, Backend backend) {
+        log.debug("createdArtifact");
+    }
+
+    @Override
+    public void storedArtifact(Artifact artifact, Backend backend) {
+        log.debug("storedArtifact");
+    }
+
+    @Override
+    public void createdUser(User user, Backend backend) {
+        log.debug("createdUser");
+    }
+
+    @Override
+    public void deletedUser(String identifier, Backend backend) {
+        log.debug("deletedUser");
+    }
+
+    @Override
+    public void createdCollection(
+        ArtifactCollection collection,
+        Backend            backend
+    ) {
+        log.debug("createdCollection");
+    }
+
+    @Override
+    public void deletedCollection(String identifier, Backend backend) {
+        log.debug("deletedCollection");
+    }
+
+    @Override
+    public void changedCollectionAttribute(
+        String   identifier,
+        Document document,
+        Backend  backend
+    ) {
+        log.debug("changedCollectionAttribute");
+    }
+
+    @Override
+    public void changedCollectionItemAttribute(
+        String   collectionId,
+        String   artifactId,
+        Document document,
+        Backend  backend
+    ) {
+        log.debug("changedCollectionItemAttribute");
+    }
+
+    @Override
+    public void addedArtifactToCollection(
+        String  artifactId,
+        String  collectionId,
+        Backend backend
+    ) {
+        log.debug("addedArtifactToCollection");
+    }
+
+    @Override
+    public void removedArtifactFromCollection(
+        String  artifactId,
+        String  collectionId,
+        Backend backend
+    ) {
+        log.debug("removedArtifactFromCollection");
+    }
+
+    @Override
+    public void setCollectionName(
+        String collectionId,
+        String name
+    ) {
+        log.debug("setCollectionName");
+    }
 }
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