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Persistent::Base 0.52

  Date Added: March 16, 2010  |  Visits: 801

Persistent::Base

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Persistent::Base is an Abstract Persistent Base Class. SYNOPSIS ### we are a subclass of ... ### use Persistent::Base; @ISA = qw(Persistent::Base); ABSTRACT This is an abstract class used by the Persistent framework of classes to implement persistence with various types of data stores. This class provides the methods and interface for implementing Persistent classes. Refer to the Persistent documentation for a very thorough introduction to using the Persistent framework of classes. This class is part of the Persistent base package which is available from: http://www.bigsnow.org/persistent ftp://ftp.bigsnow.org/pub/persistent Before we get started describing the methods in detail, it should be noted that all error handling in this class is done with exceptions. So you should wrap an eval block around all of your code. Please see the Persistent documentation for more information on exception handling in Perl. ABSTRACT METHODS THAT NEED TO BE OVERRIDDEN IN THE SUBCLASS datastore -- Sets/Returns the Data Store Parameters eval { ### set the data store ### $person->datastore(@args); ### get the data store ### $href = $person->datastore(); }; croak "Exception caught: $@" if $@; Returns (and optionally sets) the data store of the object. This method throws Perl execeptions so use it with an eval block. Setting the data store can involve anything from initializing a connection to opening a file. Getting a data store usually means returning information pertaining to the data store in a useful form, such as a connection to a database or a location of a file..

Requirements: No special requirements
Platforms: Linux
Keyword: Abstract Abstract Persistent Base Class Base Class Data Data Store Libraries Persistent Persistentbase Programming Store
Users rating: 0/10

License: Freeware Size: 38.91 KB
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