Index: Classes/DomainObject/AbstractDomainObject.php
===================================================================
--- Classes/DomainObject/AbstractDomainObject.php	(revision 2709)
+++ Classes/DomainObject/AbstractDomainObject.php	(working copy)
@@ -203,5 +203,14 @@
 		$this->_isClone = TRUE;
 	}
 	
+	/**
+	 * Returns the class name and the uid of the object as string
+	 *
+	 * @return string
+	 */
+	public function __toString() {
+		return get_class($this) . ':' . (string)$this->uid;
+	}
+	
 }
 ?>
\ No newline at end of file