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Class::AlzaboWrapper::Cursor(3) User Contributed Perl Documentation Class::AlzaboWrapper::Cursor(3)

Class::AlzaboWrapper::Cursor - Higher level wrapper around Alzabo cursor objects

  my $cursor = Class::AlzaboWrapper::Cursor->new( cursor => $cursor );

This module works with "Class::AlzaboWrapper" to make sure that objects returned from cursors are of the appropriate "Class::AlzaboWrapper" subclass, not raw "Alzabo::Runtime::Cursor" objects.

THIS MODULE IS STILL AN ALPHA RELEASE. THE INTERFACE MAY CHANGE IN FUTURE RELEASES.

This module provides the following methods:
  • new

    This method expects a "cursor" parameter, which should be an "Alzabo::Runtime::Cursor" object. This is the cursor being wrapped by this class.

    It also takes an "args" parameter. This is an optional array reference. If given, then the arguments specified will be passed when calling "new()" for the appropriate subclass(es).

    The "constructor_method" argument allows you to specify what method to call when fetching the next object via "next()". This defaults to "new".

  • next

    This method is called to get the next object (or objects) in the cursor. Internally, it calls "new()" on the appropriate "Class::AlzaboWrapper" subclass for each "Alzabo::Runtime::Row" object returned by the wrapped cursor. It can be called in scalar or array context, but in scalar context it will only return the first object when there are more than one, so be careful.

  • next_as_hash

    Wrapper for the cursor's "next_as_hash()" method, it behaves the same as "next" in that each row is returned as an appropriate "Class::AlzaboWrapper" subclass object. Returns a hash keyed to the table name(s).

  • all

    Returns an array containing all the remaining objects in the cursor. If the wrapped cursor just returned single rows, then it returns an array of objects. Otherwise, it returns an array of array references, with each reference containing one set of objects.

  • count

    A simple wrapper around the underlying cursor's "count()" method.

The Alzabo docs are conveniently located online at http://www.alzabo.org/docs/.

There is also a mailing list. You can sign up at http://lists.sourceforge.net/lists/listinfo/alzabo-general.

Please don't email me directly. Use the list instead so others can see your questions.

Copyright (c) 2002-2005 David Rolsky. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

The full text of the license can be found in the LICENSE file included with this module.

Dave Rolsky, <autarch@urth.org>
2022-04-08 perl v5.32.1

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