Item12334: lots of performance improvements

git-svn-id: http://svn.foswiki.org/trunk/DBCachePlugin@16347 0b4bb1d4-4e5a-0410-9cc4-b2b747904278

data/System/DBCachePlugin.txt

@@ -1,4 +1,4 @@
-%META:TOPICINFO{author="ProjectContributor" date="1266412704" format="1.1" version="1.3"}%
+%META:TOPICINFO{author="BaseUserMapping_999" comment="autosave" date="1356278770" format="1.1" version="4"}%
 ---+!! <nop>%TOPIC%
 %TOC%
 
@@ -399,20 +399,30 @@ This option only has an effect using speedy/perperl or fastcgi setups.
 When enabling =$$Foswiki::cfg{SecureTopicTitles}=, !TopicTitles will only be used as a link text in !WikiWords
 when the user has got view access to the target topic.
 
----++ Plugin Installation Instructions
+---++ Installation Instructions
 %$INSTALL_INSTRUCTIONS%
 
+<div class="foswikiWarningMessage">
+WARNING: before using <nop>DBCachePlugin on your site do take down your web server and run
+
+=cd <foswiki-root>/bin; ./rest /DBCachePlugin/updateCache=
+
+to generate all caches initially. Then switch on the web server again. The cache will be maintained
+automatically from there on.
+</div>
+
 ---++ Plugin Info
 <!-- 
    * Set SHORTDESCRIPTION = Lightweight frontend to the <nop>DBCacheContrib
 -->
 |  Author: | Michael Daum |
-|  Copyright &copy;: | 2005-2012, Michael Daum http://michaeldaumconsulting.com |
+|  Copyright &copy;: | 2005-2013, Michael Daum http://michaeldaumconsulting.com |
 |  License: | GPL ([[http://www.gnu.org/copyleft/gpl.html][GNU General Public License]]) |
 |  Release: | %$RELEASE% |
 |  Version: | %$VERSION% |
 |  Change History: | <!-- versions below in reverse order -->&nbsp; |
-   29 Nov 2012: | topic title of webhomes now defaults to the web name instead of the topic name |
+|  07 Jan 2013: | a lot of performance improvements |
+|  29 Nov 2012: | topic title of webhomes now defaults to the web name instead of the topic name |
 |  19 Nov 2012: | improved save performance on large webs |
 |  01 Oct 2012: | handle bad date formfields more gracefully |
 |  11 Jan 2012: | implemented !TopicTitles protected by access control rights |

lib/Foswiki/Plugins/DBCachePlugin.pm

@@ -1,6 +1,6 @@
 # Plugin for Foswiki - The Free and Open Source Wiki, http://foswiki.org/
 #
-# Copyright (C) 2005-2012 Michael Daum http://michaeldaumconsulting.com
+# Copyright (C) 2005-2013 Michael Daum http://michaeldaumconsulting.com
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -22,8 +22,8 @@ use warnings;
 #Monitor::MonitorMethod('Foswiki::Contrib::DBCachePlugin::Core');
 #Monitor::MonitorMethod('Foswiki::Contrib::DBCachePlugin::WebDB');
 
-our $VERSION = '4.30';
-our $RELEASE = '4.30';
+our $VERSION = '5.00';
+our $RELEASE = '5.00';
 our $NO_PREFS_IN_TOPIC = 1;
 our $SHORTDESCRIPTION = 'Lightweighted frontend to the DBCacheContrib';
 
@@ -89,7 +89,7 @@ sub initPlugin {
     return Foswiki::Plugins::DBCachePlugin::Core::handleTOPICTITLE(@_);
   });
 
-  Foswiki::Func::registerRESTHandler('UpdateCache', \&restUpdateCache);
+  Foswiki::Func::registerRESTHandler('updateCache', \&restUpdateCache);
 
   Foswiki::Func::registerRESTHandler('dbdump', sub {
     initCore();
@@ -122,13 +122,28 @@ sub initCore {
 }
 
 ###############################################################################
-# REST handler to allow offline cache updates
+# REST handler to create and update the dbcache
 sub restUpdateCache {
   my $session = shift;
-  my $web = $session->{webName};
 
-  my $db = getDB($web);
-  $db->load(1) if $db;
+  my $query = Foswiki::Func::getRequestObject();
+
+  my $theWeb = $query->param('web');
+  my @webs;
+
+  if ($theWeb) {
+    push @webs,$theWeb;
+  } else {
+    @webs = Foswiki::Func::getListOfWebs();
+  }
+
+  foreach my $web (sort @webs) {
+    print STDERR "### upating $web\n";
+    my $db = getDB($web);
+    $db->load(1) if $db;
+  }
+
+  return "### done\n\n";
 }
 
 ###############################################################################
@@ -236,6 +251,11 @@ sub getDB {
   return Foswiki::Plugins::DBCachePlugin::Core::getDB(@_);
 }
 
+sub unloadDB {
+  initCore();
+  return Foswiki::Plugins::DBCachePlugin::Core::unloadDB(@_);
+}
+
 sub getTopicTitle {
   initCore();
   return Foswiki::Plugins::DBCachePlugin::Core::getTopicTitle(@_);