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.\" ========================================================================
.\"
.IX Title "ObjectTemplate 3pm"
.TH ObjectTemplate 3pm "2022-06-11" "perl v5.34.0" "User Contributed Perl Documentation"
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.SH "NAME"
Class::ObjectTemplate \- Perl extension for an optimized template
builder base class.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 4
\&  package Foo;
\&  use Class::ObjectTemplate;
\&  require Exporter;
\&  @ISA = qw(Class::ObjectTemplate Exporter);
\&
\&  attributes(\*(Aqone\*(Aq, \*(Aqtwo\*(Aq, \*(Aqthree\*(Aq);
\&
\&  # initialize will be called by new()
\&  sub initialize {
\&    my $self = shift;
\&    $self\->three(1) unless defined $self\->three();
\&  }
\&
\&  use Foo;
\&  $foo = Foo\->new();
\&
\&  # store 27 in the \*(Aqone\*(Aq attribute
\&  $foo\->one(27);
\&
\&  # check the value in the \*(Aqtwo\*(Aq attribute
\&  die "should be undefined" if defined $foo\->two();
\&
\&  # set using the utility method
\&  $foo\->set_attribute(\*(Aqone\*(Aq,27);
\&
\&  # check using the utility method
\&  $two = $foo\->get_attribute(\*(Aqtwo\*(Aq);
\&
\&  # set more than one attribute using the named parameter style
\&  $foo\->set_attributes(\*(Aqone\*(Aq=>27, \*(Aqtwo\*(Aq=>42);
\&
\&  # or using array references
\&  $foo\->set_attributes([\*(Aqone\*(Aq,\*(Aqtwo\*(Aq],[27,42]);
\&
\&  # get more than one attribute
\&  @list = $foo\->get_attributes(\*(Aqone\*(Aq, \*(Aqtwo\*(Aq);
\&
\&  # get a list of all attributes known by an object
\&  @attrs = $foo\->get_attribute_names();
\&
\&  # check that initialize() is called properly
\&  die "initialize didn\*(Aqt set three()" unless $foo\->three();
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Class::ObjectTemplate is a utility class to assist in the building of
other Object Oriented Perl classes.
.PP
It was described in detail in the O\e'Reilly book, \*(L"Advanced Perl
Programming\*(R" by Sriram Srinivasam.
.SS "\s-1EXPORT\s0"
.IX Subsection "EXPORT"
attributes(@name_list)
.PP
This method creates a shared setter and getter methods for every name
in the list. The method also creates the class constructor, \f(CW\*(C`new()\*(C'\fR.
.PP
\&\fB\s-1WARNING\s0\fR: This method \fImust\fR be invoked within the module for every
class that inherits from Class::ObjectTemplate, even if that class
defines no attributes. For a class defining no new attributes, it
should invoke \f(CW\*(C`attributes()\*(C'\fR with no arguments.
.SH "AUTHOR"
.IX Header "AUTHOR"
Original code by Sriram Srinivasam.
.PP
Fixes and \s-1CPAN\s0 module by Jason E. Stewart (jason@openinformatics.com)
.SH "SEE ALSO"
.IX Header "SEE ALSO"
http://www.oreilly.com/catalog/advperl/
.PP
\&\fBperl\fR\|(1).
.PP
Class::ObjectTemplate::DB