Change perm interface to be add/commit based

1 files changed, 16 insertions, 1 deletions

diff --git a/src/plop_sup.erl b/src/plop_sup.erl
index 87316f4..442eabc 100644
--- a/src/plop_sup.erl
+++ b/src/plop_sup.erl
@@ -26,9 +26,24 @@ permanent_worker(Name, StartFunc, Modules) ->
      10000,
      worker, Modules}.
 
+perm_database_children(DB) ->
+    lists:filtermap(fun ({Name, DBName, ConfigName}) ->
+                            case application:get_env(plop, ConfigName) of
+                                {ok, Path} ->
+                                    {true, permanent_worker(Name, {perm, start_link, [DBName, Path]})};
+                                undefined ->
+                                    false
+                            end
+                    end, DB).
+
 %% Supervisor callback
 init([]) ->
     Services = application:get_env(plop, services, []),
+    DBChildren = perm_database_children([
+                                         {the_entryhash_db, entryhash_db, entryhash_root_path},
+                                         {the_indexforhash_db, indexforhash_db, indexforhash_root_path},
+                                         {the_entry_db, entry_db, entry_root_path}
+                                        ]),
     Children = [permanent_worker(the_db, {db, start_link, []}, [db]),
                 permanent_worker(the_storagedb, {storagedb, start_link, []}),
                 permanent_worker(fsync, {fsyncport, start_link, []})],
@@ -41,5 +56,5 @@ init([]) ->
                                          end
                                  end, Services),
     {ok, {{one_for_one, 3, 10},
-          Children ++ OptionalChildren
+          DBChildren ++ Children ++ OptionalChildren
          }}.