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From "Manoj Bist" <manoj.bi...@gmail.com>
Subject Re: load large data
Date Tue, 25 Sep 2007 18:50:29 GMT
You can use regular package inheritance(@ISA) support in perl to
extend MyModule and created YourModule, where you can add any extra
methods/override existing methods.

On 9/25/07, pennyyh@aol.co.uk <pennyyh@aol.co.uk> wrote:
> Thank you.
> Sorry that module of Mymodule is a public module from CPAN.I can't
> modify it to add the init() and data() methods.
> How to do it then?thanks again.
>
> -----Original Message-----
> From: fred@redhotpenguin.com
> To: pennyyh@aol.co.uk
> CC: modperl@perl.apache.org
> Sent: Tue, 25 Sep 2007 4.52PM
> Subject: Re: load large data
>
> pennyyh@aol.co.uk wrote:
> > Thank you.
> > I have added these directives in httpd.conf,
> > > <Perl>
> > use Mymodule;
> > our $data = Mymodule->new;
> > </Perl>
> > > Then I run bin/apachectl configtest,but got the errors,
> > > Unknown type 'Mymodule' for directive data at >
> /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi/Apache2/PerlSectio
>
> > ns.pm line 192.\n
> > > Please help.Thanks.
>
> As with all Perl code, there is more than one way to do it. Another way
> to accomplish what you are trying to do is through the use of
> startup.pl, which is run during apache startup. (I don't know why that
> error above is occurring so I'm posting this as an alternate approach).
>
> # httpd.conf
> PerlPostConfigRequire /home/pennyyh/perl/lib/startup.pl
>
> # startup.pl
> use strict;
> use warnings;
>
> use Mymodule;
> Mymodule->init;
>
> 1;
>
> ## Mymodule.pm
> package Mymodule;
>
> use strict;
> use warnings;
>
> our $data;
>
> sub new {
> ...
> }
>
> sub init {
>  my $class = shift;
>  $data = $class->new;
> }
>
> sub data {
>  my $class = shift;
>  return $data;
> }
>
> 1;
>
> then in your application you can access $data via $Mymodule::data, or
> better yet access it like so:
>
> my $data = Mymodule->data; # this returns the object created during
>  # startup
>
> HTH,
>
> Fred
>
> > > > > -----Original Message-----
> > From: frank@wiles.org
> > To: pennyyh@aol.co.uk
> > CC: modperl@perl.apache.org
> > Sent: Tue, 25 Sep 2007 1.42AM
> > Subject: Re: load large data
> > > On Mon, 24 Sep 2007 06:08:45 -0400
> > pennyyh@aol.co.uk wrote:
> > >> Hello,
> >>
> >> I have a module,which loads large data into memory.
> >>
> >> my $data = Mymodule->new;
> >>
> >> this will take some ms to be finished.
> >>
> >> So I think I can create this object at startup time,and share the
> >> $data acrosss all apache child processes.
> >>
> >> Is it possible?How can I do it?
> > > Yeah you can do this in a <Perl> section at startup and
> > your children can then use it. I'm assuming here that the
> > info in $data doesn't change or that you're ok with having
> > to restart Apache to see the changes.
> > > -------------------------------------------------------
> > Frank Wiles, Revolution Systems, LLC.
> > Personal : frank@wiles.org http://www.wiles.org
> > Work : frank@revsys.com http://www.revsys.com
> > > > >
> ________________________________________________________________________
>
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>
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