Sergey Lepenkov
and 1 contributors

NAME

MPMinus::Store::MultiStore - Multistoring

VERSION

Version 1.04

SYNOPSIS

    use MPMinus::Store::MultiStore;

    # Multistoring
    my $mso = new MPMinus::Store::MultiStore (
            -m   => $m, # OPTIONAL
            -mso => {
                
                foo => {
                    -dsn    => 'DBI:mysql:database=TEST;host=192.168.1.1',
                    -user   => 'login',
                    -pass   => 'password',
                    -attr   => {
                        mysql_enable_utf8 => 1,
                        RaiseError => 0,
                        PrintError => 0,
                    },
                },
                
                bar => {
                    -dsn    => 'DBI:Oracle:SID',
                    -user   => 'login',
                    -pass   => 'password',
                    -attr   => {
                        RaiseError => 0,
                        PrintError => 0,
                    },
                }, 
            },
        );

    my @stores = $mso->stores; # foo, bar
    
    $mso->set(baz => new MPMinus::Store::DBI( {
                -dsn    => 'DBI:Oracle:BAZSID',
                -user   => 'login',
                -pass   => 'password',
                -attr   => {
                    RaiseError => 0,
                    PrintError => 0,
                },
            })
        );
        
    my @stores = $mso->stores; # foo, bar, baz
    
    my $foo = $mso->get('foo');
    my $foo = $mso->store('foo');
    my $foo = $mso->foo;

DESCRIPTION

Multistoring Database independent interface for MPMinus on MPMinus::Store::DBI based.

See MPMinus::Store::DBI

METHODS

get, store
    my $foo = $mso->get('foo');
    my $foo = $mso->store('foo');
    my $foo = $mso->foo;

Getting specified connection by name

set
    $mso->set(baz => new MPMinus::Store::DBI( {
                -dsn    => 'DBI:Oracle:BAZSID',
                -user   => 'login',
                -pass   => 'password',
                -attr   => {
                    RaiseError => 0,
                    PrintError => 0,
                },
            })
        );

Setting specified connection by name and returns state of operation

stores
    my @stores = $mso->stores; # foo, bar, baz

Returns current connections as list (array)

EXAMPLE

    package MPM::foo::Handlers;
    use strict;

    use MPMinus::Store::MultiStore;
    use MPMinus::MainTools qw/ msoconf2args /;
    
    sub InitHandler {
        my $pkg = shift;
        my $m = shift;

        # MSO Database Nodes
        if ($m->multistore) {
            my $mso = $m->multistore;
            foreach ($mso->stores) {
                $mso->get($_)->reconnect unless $mso->get($_)->ping;
            }
        } else {
            $m->set( multistore => new MPMinus::Store::MultiStore (
                -m   => $m,
                -mso => { msoconf2args($m->conf('store')) },
                )
            );
        }
    
        return __PACKAGE__->SUPER::InitHandler($m);
    }
    
    ...
    
    package MPM::foo::Test;
    use strict;

    sub response {
        my $m = shift;
        
        my $mso = $m->multistore;
        
        my $data = $mso->foo->errstr 
            ? $mso->foo->errstr
            : $mso->foo->field('select sysdate() from dual');
        
        ...
        
        return Apache2::Const::OK;
    }

In conf/mso.conf file:

    <store foo>
        dsn   DBI:mysql:database=TEST;host=192.168.1.1
        user  login
        pass  password
        <Attr>
            mysql_enable_utf8 1
            RaiseError        0
            PrintError        0
        </Attr>
    </store>
    <store bar>
        dsn   DBI:Oracle:FOOSID
        user  login
        pass  password
        connect_to    10
        request_to    50
        <Attr>
            RaiseError        0
            PrintError        0
        </Attr>
    </store>
    <store baz>
        dsn   DBI:Oracle:BARSID
        user  login
        pass  password
        <Attr>
            RaiseError        0
            PrintError        0
        </Attr>
    </store>

HISTORY

1.00 / 13.11.2010

Init version

1.01 / 22.12.2010

Added method for getting list of stores

1.02 / Wed Apr 24 14:53:38 2013 MSK

General refactoring

SEE ALSO

MPMinus::Store::DBI, CTK::DBI, Apache::DBI, DBI

AUTHOR

Serz Minus (Lepenkov Sergey) http://serzik.ru <minus@mail333.com>

COPYRIGHT

Copyright (C) 1998-2013 D&D Corporation. All Rights Reserved

LICENSE

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

See LICENSE file