NAME

IOC::Service - An IOC Service object

SYNOPSIS

  use IOC::Service;
  
  my $container = IOC::Container->new();
  $container->register(IOC::Service::Literal->new('log_file' => "logfile.log"));
  $container->register(IOC::Service->new('logger' => sub { 
      my $c = shift; 
      return FileLogger->new($c->get('log_file'));
  }));
  $container->register(IOC::Service->new('application' => sub {
      my $c = shift; 
      my $app = Application->new();
      $app->logger($c->get('logger'));
      return $app;
  }));

  $container->get('application')->run();   

DESCRIPTION

In this IOC framework, the IOC::Service object holds instances of components to be managed.

   +--------------+                 +-------------------------+
   | IOC::Service |---(instance)--->| <Your Component/Object> |
   +--------------+                 +-------------------------+ 
          |
  (parent_container)
          |
          V
 +------------------+                  
 |  IOC::Container  |
 +------------------+

METHODS

new ($name, $block)

Creates a service with a $name, and uses the $block argument to initialize the service on demand.

name

Returns the name of the service instance.

setContainer ($container)

Given a $container, which is an instance of IOC::Container or a subclass of it, this method will associate the service instance with that container object.

removeContainer

This will break the connection between a service and a container. This method is usually only called by the unregister method in IOC::Container.

instance

This method returns the component held by the service object, the is basically the value returned by the $block constructor argument.

deferred

This method returns an IOC::Service::Deferred wrapper which will lazy load the service. This is used for handling circular dependencies, and rarely used directly.

TO DO

Work on the documentation

BUGS

None that I am aware of. Of course, if you find a bug, let me know, and I will be sure to fix it.

CODE COVERAGE

I use Devel::Cover to test the code coverage of my tests, see the CODE COVERAGE section of IOC for more information.

SEE ALSO

AUTHOR

stevan little, <stevan@iinteractive.com>

COPYRIGHT AND LICENSE

Copyright 2004-2007 by Infinity Interactive, Inc.

http://www.iinteractive.com

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.