Robert Barta > TM > TM::ResourceAble::MemCached

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NAME ^

TM::ResourceAble::MemCached - Topic Maps, Memcached server backend

SYNOPSIS ^

    use TM::ResourceAble::MemCached;
    use Fcntl;
    # create/reset new map
    my $tm = new TM::ResourceAble::MemCached (
                baseuri => 'http://whereever/', 
                servers => [ localhost:11211 ],
                mode    => O_TRUNC | O_CREAT,
             );

    # use TM interface
    
    # open existing map
    my $tm = new TM::ResourceAble::MemCached (
                 baseuri => 'http://whereever/', 
                 servers => [ localhost:11211 ],
             );

DESCRIPTION ^

This package implements TM using a memcached server farm as backend. You should be able (without much testing, mind you, so it is EXPERIMENTAL) to perform all operations according to the TM interface.

NOTE: The implementation is using the TIE technique (perltie via Tie::StdHash), so maybe there are problems lurking.

Of course, a set of memcacheds can store any number of maps. To keep them separate, the baseuri is used, so make sure every map gets its own baseuri.

INTERFACE ^

Constructor

The constructor expects a hash with the following keys:

servers (default: none)

The value must be a reference to an array of strings, each of the form host:port. If there is no such list, then the constructor will fail.

mode (default: O_CREAT)

The value must be a value from Fcntl to control

  • whether the map should be created (O_CREAT) when it does not exist, and/or
  • whether the map should be cleared (O_TRUNC) when it existed before.

All other options are passed to the constructor chain of traits (TM::ResourceAble) and superclasses (TM).

SEE ALSO ^

TM, TM::ResourceAble

AUTHOR INFORMATION ^

Copyright 2010, Robert Barta <drrho@cpan.org>, All rights reserved.

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. http://www.perl.com/perl/misc/Artistic.html

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