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User::Identity::Item(3) |
User Contributed Perl Documentation |
User::Identity::Item(3) |
User::Identity::Item - general base class for User::Identity
User::Identity::Item is extended by
Mail::Identity
User::Identity
User::Identity::Archive
User::Identity::Collection
User::Identity::Location
User::Identity::System
The "User::Identity::Item" base class is
extended into useful modules: it has no use by its own.
- User::Identity::Item->new( [$name], %options )
-
-Option --Default
description undef
name <required>
parent undef
- description => STRING
- Free format description on the collected item.
- name => STRING
- A simple name for this item. Try to give a useful name in the context of
the item time. Each time when you lookup items, you need to specify this
name, so it should be unique and not to hard to handle in your program.
For instance, when a person is addressed, you usually will give him/her
this a nickname.
- parent => OBJECT
- The encapsulating object: the object which collects this one.
- $obj->description()
- Free format description on this item. Please do not add any significance
to the content of this field: if you are in need for an extra attribute,
please contact the author of the module to implement it, or extend the
object to suit your needs.
- $obj->name( [$newname] )
- The name of this item. Names are unique within a collection... a second
object with the same name within any collection will destroy the already
existing object with that name.
Changing the name of an item is quite dangerous. You probably
want to call User::Identity::Collection::renameRole()
instead.
- $obj->add($collection, $role)
- The $role is added to the
$collection. The
$collection is the name of a collection, which
will be created automatically with addCollection() if needed. The
$collection can also be specified as existing
collection object.
The $role is anything what is
acceptable to User::Identity::Collection::addRole() of the
collection at hand, and is returned. $role
typically is a list of parameters for one role, or a reference to an
array containing these values.
example:
my $ui = User::Identity->new(...);
my $home = $ui->add(location => [home => street => '27 Roadstreet', ...] );
my $work = $ui->add(location => work, tel => '+31-2231-342-13', ... );
my $travel = User::Identity::Location->new(travel => ...);
$ui->add(location => $travel);
my $system = User::Identity::Collection::System->new(...);
$ui->add($system => 'localhost');
- $obj->addCollection( $object | <[$type], %options> )
- Add a new collection of roles to an item. This can be achieved in two
ways: either create an User::Identity::Collection
$object yourself and then pass that to this
method, or supply all the %options needed to
create such an object and it will be created for you. The object which is
added is returned, and can be used for many methods directly.
For %options, see the specific type of
collection. Additional options are listed below.
-Option--Default
type <required>
- type => STRING|CLASS
- The nickname of a collection class or the CLASS name itself of the object
to be created. Required if an object has to be created. Predefined type
nicknames are "email",
"system", and
"location".
example:
my $me = User::Identity->new(...);
my $locs = User::Identity::Collection::Locations->new();
$me->addCollection($locs);
my $email = $me->addCollection(type => 'email');
my $email = $me->addCollection('email');
- $obj->collection($name)
- In scalar context the collection object with the
$name is returned. In list context, all the roles
within the collection are returned.
example:
my @roles = $me->collection('email'); # list of collected items
my @roles = $me->collection('email')->roles; # same of collected items
my $coll = $me->collection('email'); # a User::Identity::Collection
- $obj->parent( [$parent] )
- Returns the parent of an Item (the enclosing item). This may return
"undef" if the object is
stand-alone.
- $obj->removeCollection($object|$name)
- $obj->type()
- User::Identity::Item->type()
- Returns a nice symbolic name for the type.
- $obj->user()
- Go from this object to its parent, to its parent, and so on, until a
User::Identity is found or the top of the object tree has been reached.
example:
print $email->user->fullName;
- $obj->find($collection, $role)
- Returns the object with the specified $role within
the named collection. The collection can be specified as name or object.
example:
my $role = $me->find(location => 'work'); # one location
my $role = $me->collection('location')->find('work'); # same
my $email = $me->addCollection('email');
$me->find($email => 'work');
$email->find('work'); # same
- Error: $object is not a collection.
- The first argument is an object, but not of a class which extends
User::Identity::Collection.
- Error: Cannot load collection module for $type ($class).
- Either the specified $type does not exist, or that
module named $class returns compilation errors. If
the type as specified in the warning is not the name of a package, you
specified a nickname which was not defined. Maybe you forgot the 'require'
the package which defines the nickname.
- Error: Creation of a collection via $class failed.
- The $class did compile, but it was not possible to
create an object of that class using the options you specified.
- Error: Don't know what type of collection you want to add.
- If you add a collection, it must either by a collection object or a list
of options which can be used to create a collection object. In the latter
case, the type of collection must be specified.
- Error: Each item requires a name
- You have to specify a name for each item. These names need to be unique
within one collection, but feel free to give the same name to an e-mail
address and a location.
- Warning: No collection $name
- The collection with $name does not exist and can
not be created.
- Warning: Unknown option $name for a $class
- One used option is not defined. Check the manual page of the class to see
which options are accepted.
- Warning: Unknown options @names for a $class
- More than one option is not defined.
This module is part of User-Identity distribution version 1.01, built on
February 11, 2022. Website: http://perl.overmeer.net/CPAN/
Copyrights 2003-2022 by [Mark Overmeer <markov@cpan.org>]. For other
contributors see ChangeLog.
This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself. See
http://dev.perl.org/licenses/
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