--- /dev/null
+package org.simantics.document.linking.adapters;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+public interface SourceObjectAdapter {\r
+ \r
+ /**\r
+ * Returns documentable resource from selection.\r
+ * @param graph\r
+ * @param selected\r
+ * @return the documentable resource, or null.\r
+ * @throws DatabaseException\r
+ */\r
+ public Resource getDocumentableResource(ReadGraph graph, Resource selected) throws DatabaseException;\r
+\r
+}\r