config::model::itself::backenddetector(3pm) [debian man page]
Config::Model::Itself::BackendDetector(3pm) User Contributed Perl Documentation Config::Model::Itself::BackendDetector(3pm)NAME
Config::Model::Itself::BackendDetector - Detect available read/write backends
SYNOPSIS
# this class should be referenced in a configuration model and
# created only by Config::Model::Node
my $model = Config::Model->new() ;
$model ->create_config_class
(
name => "Test",
'element'
=> [
'backend' => { type => 'leaf',
class => 'Config::Model::Itself::BackendDetector' ,
value_type => 'enum',
# specify backends built in Config::Model
choice => [qw/cds_file perl_file ini_file augeas custom/],
help => {
cds_file => "file ...",
ini_file => "Ini file ...",
perl_file => "file perl",
custom => "Custom format",
augeas => "Experimental backend",
}
}
],
);
my $root = $model->instance(root_class_name => 'Test') -> config_root ;
my $backend = $root->fetch_element('backend') ;
my @choices = $backend->get_choice ;
DESCRIPTION
This class is derived from Config::Model::Value. It is designed to be used in a 'enum' value where the choice (the available backends) are
the backend built in Config::Model and all the plugin backends. The plugin backends are all the "Config::Model::Backend::*" classes.
This module will detect available plugin backend and query their pod documentation to provide a contextual help for config-model graphical
editor.
AUTHOR
Dominique Dumont, (ddumont at cpan dot org)
SEE ALSO
Config::Model, Config::Model::Node, Config::Model::Value
perl v5.14.2 2012-06-22 Config::Model::Itself::BackendDetector(3pm)
Check Out this Related Man Page
Config::Model::Exception(3pm) User Contributed Perl Documentation Config::Model::Exception(3pm)NAME
Config::Model::Exception - Exception mechanism for configuration model
VERSION
version 2.021
SYNOPSIS
# internal
DESCRIPTION
You must read Exception::Class before reading on.
This module creates all the exception class used by Config::Model.
All exception class name begins with "Config::Model::Exception::"
The exception classes are:
"Any"
Base class. It accepts an "object" argument. The user must pass the reference of the object where the exception occurred. The object
name will be used to generate the error message.
TODO: list all exception classes and hierarchy.
How to get trace
By default, most of the exceptions will not print out the stack trace. For debug purpose, you can force a stack trace.
For instance, if you want a stack trace for an "unknown element" error, you must add this line in your script:
Config::Model::Exception::UnknownElement->Trace(1) ;
If you're not sure which class to trace, add this line in your script:
Config::Model::Exception::Any->Trace(1) ;
AUTHOR
Dominique Dumont, (ddumont at cpan dot org)
SEE ALSO
Config::Model, Config::Model::Instance, Config::Model::Node, Config::Model::Value Exception::Class
perl v5.14.2 2012-11-09 Config::Model::Exception(3pm)
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