10-09-2008
...then at that point it is up to the programmer to determine if 'frequently' warrants the register class or not.
If you don't like the register class, fine, don't use it, in an instance such as this.
I felt that it might very well improve the performance of the function, hence the inclusion.
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LEARN ABOUT MOJAVE
tap::parser::resultfactory5.18
TAP::Parser::ResultFactory(3pm) Perl Programmers Reference Guide TAP::Parser::ResultFactory(3pm)
NAME
TAP::Parser::ResultFactory - Factory for creating TAP::Parser output objects
SYNOPSIS
use TAP::Parser::ResultFactory;
my $token = {...};
my $factory = TAP::Parser::ResultFactory->new;
my $result = $factory->make_result( $token );
VERSION
Version 3.26
DESCRIPTION
This is a simple factory class which returns a TAP::Parser::Result subclass representing the current bit of test data from TAP (usually a
single line). It is used primarily by TAP::Parser::Grammar. Unless you're subclassing, you probably won't need to use this module
directly.
METHODS
Class Methods
"new"
Creates a new factory class. Note: You currently don't need to instantiate a factory in order to use it.
"make_result"
Returns an instance the appropriate class for the test token passed in.
my $result = TAP::Parser::ResultFactory->make_result($token);
Can also be called as an instance method.
"class_for"
Takes one argument: $type. Returns the class for this $type, or "croak"s with an error.
"register_type"
Takes two arguments: $type, $class
This lets you override an existing type with your own custom type, or register a completely new type, eg:
# create a custom result type:
package MyResult;
use strict;
use vars qw(@ISA);
@ISA = 'TAP::Parser::Result';
# register with the factory:
TAP::Parser::ResultFactory->register_type( 'my_type' => __PACKAGE__ );
# use it:
my $r = TAP::Parser::ResultFactory->( { type => 'my_type' } );
Your custom type should then be picked up automatically by the TAP::Parser.
SUBCLASSING
Please see "SUBCLASSING" in TAP::Parser for a subclassing overview.
There are a few things to bear in mind when creating your own "ResultFactory":
1. The factory itself is never instantiated (this may change in the future). This means that "_initialize" is never called.
2. "TAP::Parser::Result->new" is never called, $tokens are reblessed. This will change in a future version!
3. TAP::Parser::Result subclasses will register themselves with TAP::Parser::ResultFactory directly:
package MyFooResult;
TAP::Parser::ResultFactory->register_type( foo => __PACKAGE__ );
Of course, it's up to you to decide whether or not to ignore them.
Example
package MyResultFactory;
use strict;
use vars '@ISA';
use MyResult;
use TAP::Parser::ResultFactory;
@ISA = qw( TAP::Parser::ResultFactory );
# force all results to be 'MyResult'
sub class_for {
return 'MyResult';
}
1;
SEE ALSO
TAP::Parser, TAP::Parser::Result, TAP::Parser::Grammar
perl v5.18.2 2014-01-06 TAP::Parser::ResultFactory(3pm)