NAME

PerlBean::Attribute::Single - contains SINGLE bean attribute information

SYNOPSIS

use strict;
use PerlBean::Attribute::Single;
my $attr = PerlBean::Attribute::Single->new ({
	attribute_name => 'name',
	short_description => 'my name',
});

use IO::File;
-d 'tmp' || mkdir ('tmp');
my $fh = IO::File->new ('> tmp/PerlBean_Attribute_Single.pl.out');
$attr->writeMethods ($fh);
$attr->writeDocMethods ($fh);

ABSTRACT

SINGLE bean attribute information

DESCRIPTION

PerlBean::Attribute::Single contains SINGLE bean attribute information. It is a subclass of PerlBean::Attribute. The code and documentation methods are implemented.

CONSTRUCTOR

new (OPT_HASH_REF)

Creates a new PerlBean::Attribute::Single object. OPT_HASH_REF is a hash reference used to pass initialization options. OPT_HASH_REF is mandatory. On error an exception Error::Simple is thrown.

Options for OPT_HASH_REF may include:

allow_empty: Passed to "setAllowEmpty ()". Defaults to 1.
allow_isa: Passed to "setAllowIsa ()". Must be an ARRAY reference.
allow_ref: Passed to "setAllowRef ()". Must be an ARRAY reference.
allow_rx: Passed to "setAllowRx ()". Must be an ARRAY reference.
allow_value: Passed to "setAllowValue ()". Must be an ARRAY reference.

Options for OPT_HASH_REF inherited through package PerlBean::Attribute may include:

attribute_name: Passed to "setAttributeName ()". Mandatory option.
default_value: Passed to "setDefaultValue ()".
exception_class: Passed to "setExceptionClass ()". Defaults to Error::Simple.
mandatory: Passed to "setMandatory ()". Defaults to 0.
method_base: Passed to "setMethodBase ()".
perl_bean: Passed to "setPerlBean ()".
short_description: Passed to "setShortDescription ()".

METHODS

setAllowEmpty (VALUE): State that the attribute is allowed to be empty. VALUE is the value. Default value at initialization is 1. On error an exception Error::Simple is thrown.
isAllowEmpty (): Returns whether the attribute is allowed to be empty or not.
setAllowIsa (ARRAY): Set the list of allowed classes absolutely. ARRAY is the list value. Each element in the list is allowed to occur only once. Multiple occurences of the same element yield in the last occuring element to be inserted and the rest to be ignored. On error an exception Error::Simple is thrown.
addAllowIsa (ARRAY): Add additional values on the list of allowed classes. ARRAY is the list value. The addition may not yield to multiple identical elements in the list. Hence, multiple occurences of the same element cause the last occurence to be inserted. On error an exception Error::Simple is thrown.
deleteAllowIsa (ARRAY): Delete elements from the list of allowed classes. Returns the number of deleted elements. On error an exception Error::Simple is thrown.
existsAllowIsa (ARRAY): Returns the count of items in ARRAY that are in the list of allowed classes.
valuesAllowIsa (): Returns an ARRAY containing all values of the list of allowed classes.
setAllowRef (ARRAY): Set the list of allowed references absolutely. ARRAY is the list value. Each element in the list is allowed to occur only once. Multiple occurences of the same element yield in the last occuring element to be inserted and the rest to be ignored. On error an exception Error::Simple is thrown.
addAllowRef (ARRAY): Add additional values on the list of allowed references. ARRAY is the list value. The addition may not yield to multiple identical elements in the list. Hence, multiple occurences of the same element cause the last occurence to be inserted. On error an exception Error::Simple is thrown.
deleteAllowRef (ARRAY): Delete elements from the list of allowed references. Returns the number of deleted elements. On error an exception Error::Simple is thrown.
existsAllowRef (ARRAY): Returns the count of items in ARRAY that are in the list of allowed references.
valuesAllowRef (): Returns an ARRAY containing all values of the list of allowed references.
setAllowRx (ARRAY): Set the list of allow regular expressions absolutely. ARRAY is the list value. Each element in the list is allowed to occur only once. Multiple occurences of the same element yield in the last occuring element to be inserted and the rest to be ignored. On error an exception Error::Simple is thrown.
addAllowRx (ARRAY): Add additional values on the list of allow regular expressions. ARRAY is the list value. The addition may not yield to multiple identical elements in the list. Hence, multiple occurences of the same element cause the last occurence to be inserted. On error an exception Error::Simple is thrown.
deleteAllowRx (ARRAY): Delete elements from the list of allow regular expressions. Returns the number of deleted elements. On error an exception Error::Simple is thrown.
existsAllowRx (ARRAY): Returns the count of items in ARRAY that are in the list of allow regular expressions.
valuesAllowRx (): Returns an ARRAY containing all values of the list of allow regular expressions.
setAllowValue (ARRAY): Set allowed values absolutely. ARRAY is the list value. Each element in the list is allowed to occur only once. Multiple occurences of the same element yield in the last occuring element to be inserted and the rest to be ignored. On error an exception Error::Simple is thrown.
addAllowValue (ARRAY): Add additional values on allowed values. ARRAY is the list value. The addition may not yield to multiple identical elements in the list. Hence, multiple occurences of the same element cause the last occurence to be inserted. On error an exception Error::Simple is thrown.
deleteAllowValue (ARRAY): Delete elements from allowed values. Returns the number of deleted elements. On error an exception Error::Simple is thrown.
existsAllowValue (ARRAY): Returns the count of items in ARRAY that are in allowed values.
valuesAllowValue (): Returns an ARRAY containing all values of allowed values.
writeAllowIsa (FILEHANDLE): Write %ALLOW_ISA line for the attribute. FILEHANDLE is an IO::Handle object.
writeAllowRef (FILEHANDLE): Write %ALLOW_REF line for the attribute. FILEHANDLE is an IO::Handle object.
writeAllowRx (FILEHANDLE): Write %ALLOW_RX line for the attribute. FILEHANDLE is an IO::Handle object.
writeAllowValue (FILEHANDLE): Write %ALLOW_VALUE line for the attribute. FILEHANDLE is an IO::Handle object.
writeMethods (FILEHANDLE): Writes code for set and get methods.
writeDocMethods (FILEHANDLE): Writes documenation for set and get methods.

INHERITED METHODS FROM PerlBean::Attribute

To access attribute named attribute_name:: setAttributeName (), getAttributeName ()
To access attribute named default_value:: setDefaultValue (), getDefaultValue ()
To access attribute named exception_class:: setExceptionClass (), getExceptionClass ()
To access attribute named mandatory:: setMandatory (), isMandatory ()
To access attribute named method_base:: setMethodBase (), getMethodBase ()
To access attribute named perl_bean:: setPerlBean (), getPerlBean ()
To access attribute named short_description:: setShortDescription (), getShortDescription ()

BUGS

None known (yet.)

HISTORY

First development: November 2002

AUTHOR

Vincenzo Zocca

COPYRIGHT

LICENSE

This file is part of the PerlBean module hierarchy for Perl by Vincenzo Zocca.

The PerlBean module hierarchy is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

The PerlBean module hierarchy is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with the PerlBean module hierarchy; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

To install PerlBean, copy and paste the appropriate command in to your terminal.

cpanm

cpanm PerlBean

CPAN shell

perl -MCPAN -e shell
install PerlBean

For more information on module installation, please visit the detailed CPAN module installation guide.

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