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|
# -----------------------------------------------------------------------------
# $Id: Reload.pm 12856 2008-05-30 14:37:23Z hio $
# -----------------------------------------------------------------------------
# Tools::Reload.
# -----------------------------------------------------------------------------
package Tools::Reload;
use strict;
use warnings;
use BulletinBoard;
use Timer;
# -----------------------------------------------------------------------------
# とりあえずサンプル.
# うごくかわかんない.
# -----------------------------------------------------------------------------
our $VERSION = '0.01';
our $BBS_KEY = __PACKAGE__;
our $DEFAULT_EXPIRE = 300; # seconds.
1;
# -----------------------------------------------------------------------------
# (private)
# $bbs_val = $pkg->_get().
# $bbs_val = $pkg->_get(-no_create).
# 全部の情報が入ってるハッシュを取得.
#
sub _get
{
my $this = shift;
my $no_create = shift;
my $bbs_val = BulletinBoard->shared->get($BBS_KEY);
if( !$bbs_val && !$no_create )
{
#$runloop->notify_msg(__PACKAGE__."#_get, bbs[$BBS_KEY] initialize");
$bbs_val = {
inited_at => time,
data => {},
};
BulletinBoard->shared->set($BBS_KEY, $bbs_val);
}
$bbs_val;
}
# -----------------------------------------------------------------------------
# Reload->store($my_key, $value).
#
sub store
{
my $this = shift;
my $opts;
if( @_ >= 2 )
{
my $key = shift;
my $value = shift;
$opts = {
Key => $key,
Value => $value,
Expire => $DEFAULT_EXPIRE,
};
}else
{
$opts = shift;
}
my $key = $opts->{Key} or die __PACKAGE__."#store, no Key";
my $value = $opts->{Value} or die __PACKAGE__."#store, no Value";
my $expire = $opts->{Expire} || $DEFAULT_EXPIRE;
my $bbs_val = $this->_get();
my $ref = ref($key) || "$key";
my $timer = Timer->new(
After => $expire,
Code => sub{
if( $bbs_val->{data} )
{
delete $bbs_val->{data}{$ref};
}
},
)->install;
my $entry = {
key => $ref,
value => $value,
timer => $timer,
after => $expire,
};
$bbs_val->{data}{$ref} = $entry;
$value;
}
# -----------------------------------------------------------------------------
# my $value = Reload->get($my_key).
#
sub get
{
my $this = shift;
my $key = shift;
$key or die __PACKAGE__."#get, no key";
my $bbs_val = $this->_get();
my $ref = ref($key) || "$key";
$bbs_val->{data}{$ref} && $bbs_val->{data}{$ref}{value};
}
# -----------------------------------------------------------------------------
# my $existence = Reload->exists($my_key).
#
sub exists
{
my $this = shift;
my $key = shift;
$key or die __PACKAGE__."#exists, no key";
my $bbs_val = $this->_get();
my $ref = ref($key) || "$key";
CORE::exists($bbs_val->{data}{$ref});
}
=head1 NAME
Tools::Reload - save data for reloading.
=head1 SYNOPSIS
$my_key = __PACKAGE__;
# At destruct().
Tools::Reload->store($my_key, $value);
# At new().
my $value = Tools::Reload->fetch($my_key);
if( !$value )
{
# new loading.
}else
{
# reloading.
}
=head1 DESCRIPTION
リロード用にデータの一時保存.
リロードじゃなくてアンロードだった場合は,
タイマーで既定秒後に削除される.
=cut
|
