NAME

       Data::Stream::Bulk::Callback - Callback based bulk iterator

VERSION

       version 0.11

SYNOPSIS

               Data::Stream::Bulk::Callback->new(
                       callback => sub {
                               if ( @more_items = get_some() ) {
                                       return \@more_items;
                               } else {
                                       return; # done
                               }
                       },
               }

DESCRIPTION

       This class provides a callback based implementation of Data::Stream::Bulk.

ATTRIBUTES

       callback
           The subroutine that is called when more items are needed.

           Should return an array reference for the next block, or a false value if there is
           nothing left.

METHODS

       get_more
           See Data::Stream::Bulk::DoneFlag.

           Reinvokes "callback".

AUTHOR

       Yuval Kogman <nothingmuch@woobling.org>

COPYRIGHT AND LICENSE

       This software is copyright (c) 2012 by Yuval Kogman.

       This is free software; you can redistribute it and/or modify it under the same terms as
       the Perl 5 programming language system itself.