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Man Pages


Manual Reference Pages  -  DATA::REMEMBER::HYBRID (3)

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NAME

Data::Remember::Hybrid - a brain for Data::Remember with multiple personalities

CONTENTS

SYNOPSIS



  use Data::Remember Hybrid =>
      [ ]                   => [ Memory ],
      config              => [ YAML => file => config.yml ],
      [ data => persist ] => [ DBM  => file => state.db   ],
      [ data => temp    ] => [ Memory ],
      ;

  my $config_opt = recall [ config => SomeOption ];

  remember [ data => persist => something ] => what?;
  remember [ data => temp    => forgetful ] => huh?;

  remember anything_else => blah;



DESCRIPTION

Sometimes (or frequently, in my case) you really need easy access to different kinds of storage in one brain. This is what the hybrid brain does. You can basically specify that any key and all subkeys are handled by a specific brain.

Arguments to the hybrid brain are basically an alternating set of ques and brain configurations. You must always at least specify the special que [], which refers to the root brain.

METHODS

    new TABLE

The TABLE argument is required. It contains a list of brains to configure with the hybrid brain. The table alternates between ques and brain configurations. The special que [] must be given to specify which brain configuration will be used when no other key set matches (the root brain).

Each pair is setup so that any que specified for remember, forget, or recall will be evaluated against the list of ques in the mount table. The longest que in the mount table matching a prefix of the que specified will be picked. If no que prefix matches, then the fallback [] will be used.

The ques may be given in any way that Data::Remember would accept them.

The configurations are given wrapped in [], but should be exactly the same otherwise.

    register_brain QUE CONFIG

This allows you to add additional sub-brains to the hybrid brain after it has been initialized. If you reuse a que that has already been registered using this method or during initialization, that brain will be completely replaced.

If you want to remove a brain you will want to see unregister_brain.

    unregister_brain QUE

Removes a brain configuration from the given QUE. This method returns true if a configuration was actually unregistered or false otherwise.

    brain_for QUE

Returns a sub-brain that would serve the given QUE.

    remember QUE, FACT

Stores the given FACT in the appropriate brain according to QUE.

    recall QUE

Recalls the fact stored at QUE in one of the hybrid’s brains.

    forget QUE

Forgets the fact stored at QUE in one of the hybrid’s brains.

SEE ALSO

Data::Remember

AUTHOR

Andrew Sterling Hanenkamp <hanenkamp@cpan.org>

COPYRIGHT AND LICENSE

Copyright 2007 Boomer Consulting, Inc. All Rights Reserved.

This program is free software and may be modified and distributed under the same terms as Perl itself.

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perl v5.20.3 DATA::REMEMBER::HYBRID (3) 2007-10-11

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