1 files changed, 16 insertions, 1 deletions
diff --git a/businesslayer/businesslayer.php b/businesslayer/businesslayer.php
index 4ce6f1625..54b64d6a2 100644
--- a/businesslayer/businesslayer.php
+++ b/businesslayer/businesslayer.php
@@ -40,12 +40,27 @@ abstract class BusinessLayer {
 	}
 
 
+	/**
+	 * Delete an entity
+	 * @param int $id the id of the entity
+	 * @param string $userId the name of the user for security reasons
+	 * @throws DoesNotExistException if the entity does not exist
+	 * @throws MultipleObjectsReturnedException if more than one entity exists
+	 */
 	public function delete($id, $userId){
 		$entity = $this->find($id, $userId);
 		$this->mapper->delete($entity);
 	}
 
 
+	/**
+	 * Finds an entity by id
+	 * @param int $id the id of the entity
+	 * @param string $userId the name of the user for security reasons
+	 * @throws DoesNotExistException if the entity does not exist
+	 * @throws MultipleObjectsReturnedException if more than one entity exists
+	 * @return Entity the entity
+	 */
 	public function find($id, $userId){
 		try {
 			return $this->mapper->find($id, $userId);
@@ -56,4 +71,4 @@ abstract class BusinessLayer {
 		}
 	}
 
-}
-\ No newline at end of file
+}