--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/artifact-database/src/main/java/org/dive4elements/artifactdatabase/BackendListener.java	Thu Apr 25 10:57:18 2013 +0200
@@ -0,0 +1,61 @@
+package de.intevation.artifactdatabase;
+
+import java.util.List;
+
+import de.intevation.artifacts.Artifact;
+import de.intevation.artifacts.ArtifactCollection;
+import de.intevation.artifacts.GlobalContext;
+import de.intevation.artifacts.User;
+
+import org.w3c.dom.Document;
+
+public interface BackendListener
+{
+    void setup(GlobalContext globalContext);
+
+    void createdArtifact(Artifact artifact, Backend backend);
+
+    void storedArtifact(Artifact artifact, Backend backend);
+
+    void createdUser(User user, Backend backend);
+
+    void deletedUser(String identifier, Backend backend);
+
+    void createdCollection(ArtifactCollection collection, Backend backend);
+
+    void deletedCollection(String identifier, Backend backend);
+
+    void changedCollectionAttribute(
+        String   identifier,
+        Document document,
+        Backend  backend);
+
+    void changedCollectionItemAttribute(
+        String   collectionId,
+        String   artifactId,
+        Document document,
+        Backend  backend);
+
+    void addedArtifactToCollection(
+        String  artifactId,
+        String  collectionId,
+        Backend backend);
+
+    void removedArtifactFromCollection(
+        String  artifactId,
+        String  collectionId,
+        Backend backend);
+
+    void setCollectionName(
+        String collectionId,
+        String name);
+
+    void killedCollections(
+        List<String> identifiers,
+        Backend      backend);
+
+    void killedArtifacts(
+        List<String> identifiers,
+        Backend      backend);
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :