Manual Reference Pages - TREE::BINARY::VISITORFACTORY (3)
Tree::Binary::VisitorFactory - A factory object for dispensing Visitor objects
my $tf = Tree::Binary::VisitorFactory->new();
my $visitor = $tf->get("InOrderTraveral");
# or call it as a class method
my $visitor = Tree::Binary::VisitorFactory->getVisitor("PostOrderTraveral");
This object is really just a factory for dispensing Tree::Binary::Visitor::* objects. It is not required to use this package in order to use all the Visitors, it is just a somewhat convienient way to avoid having to type thier long class names.
I considered making this a Singleton, but I did not because I thought that some people might not want that. I know that I am very picky about using Singletons, especially in multiprocess environments like mod_perl, so I implemented the smallest instance I knew how to, and made sure all other methods could be called as class methods too.
Returns an minimal instance of this object, basically just a reference back to the package (literally, see the source if you care).
Attempts to load the $visitor_type and returns an instance of it if successfull. If no $visitor_type is specified an exception is thrown, if $visitor_type fails to load, and exception is thrown.
This is an alias of get.
None that I am aware of. Of course, if you find a bug, let me know, and I will be sure to fix it.
See the CODE COVERAGE section of Tree::Binary for details.
stevan little, <email@example.com>
COPYRIGHT AND LICENSE
Copyright 2004, 2005 by Infinity Interactive, Inc.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
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