[Joafip-svn] SF.net SVN: joafip:[3051] trunk/joafip/doc/_todo.txt

[<luc...@us...>]

Revision: 3051
          http://joafip.svn.sourceforge.net/joafip/?rev=3051&view=rev
Author:   luc_peuvrier
Date:     2012-04-29 23:23:20 +0000 (Sun, 29 Apr 2012)
Log Message:
-----------
todo update

Modified Paths:
--------------
    trunk/joafip/doc/_todo.txt

Modified: trunk/joafip/doc/_todo.txt
===================================================================
--- trunk/joafip/doc/_todo.txt	2012-04-29 23:06:57 UTC (rev 3050)
+++ trunk/joafip/doc/_todo.txt	2012-04-29 23:23:20 UTC (rev 3051)
@@ -35,6 +35,7 @@
 - static field persistence feature removed because a non sense
 - heap file project make able to create a map in file with a comparable key
 - new joafip-pmap project, a file persisted tree map
+- heap data manager implemented in btree+
 
 minor changes:
 - added search last in red black tree manager
@@ -89,9 +90,18 @@
 currently:
 -------------------------------------------------------------------------------------
 
+btree+ implementation
+- problems with previous data record
+- management of leaf page link
+  - add to header first leaf page position
+  - check link to leaf page to next
+  - implement quick iterator
+- consistency check to add 
+
 storage in btree+
 - performance tests when use as main store, then add usage option in file persistence builder 
 - replace HeapDataFileManager direct use and option for main joafip storage
+- replace internal use of HeapFileDataManager by BtreePlusDataManager
 
 changes for garbage management because of autosave
 - tests to add
@@ -124,6 +134,10 @@
 
 collection apache and google
 
+-------------------------------------------------------------------------------------
+transactionnal:
+use of a log of changes, applies logs to main storage at commit
+-------------------------------------------------------------------------------------
 BlockDataManger
 - test performance with cache, if ok it is a good alternative but:
   - big file, do not reuse free space

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