X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FCursor.pm;h=ded8b565cca815e51272201a166c6ad5e3ffda1c;hb=9901aad73ff9dc45b426534fe406c102fb9fb77c;hp=5d935c778221344c4af9da4b2fbac0e37164539a;hpb=28927b50e8ea9dbdf08a3ffeb9f1701f7b9fb99a;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Cursor.pm b/lib/DBIx/Class/Cursor.pm index 5d935c7..ded8b56 100644 --- a/lib/DBIx/Class/Cursor.pm +++ b/lib/DBIx/Class/Cursor.pm @@ -3,16 +3,75 @@ package DBIx::Class::Cursor; use strict; use warnings; +=head1 NAME + +DBIx::Class::Cursor - Abstract object representing a query cursor on a +resultset. + +=head1 SYNOPSIS + + my $cursor = $schema->resultset('CD')->cursor(); + my $first_cd = $cursor->next; + +=head1 DESCRIPTION + +A Cursor represents a query cursor on a L object. It +allows for traversing the result set with L, retrieving all results with +L and resetting the cursor with L. + +Usually, you would use the cursor methods built into L +to traverse it. See L, +L and L for more +information. + +=head1 METHODS + +=head2 new + +Virtual method. Returns a new L object. + +=cut + sub new { die "Virtual method!"; } +=head2 next + +Virtual method. Advances the cursor to the next row. Returns an array of +column values (the result of L method). + +=cut + sub next { die "Virtual method!"; } +=head2 reset + +Virtual method. Resets the cursor to the beginning. + +=cut + sub reset { die "Virtual method!"; } +=head2 all + +Virtual method. Returns all rows in the L. + +=cut + +sub all { + my ($self) = @_; + $self->reset; + my @all; + while (my @row = $self->next) { + push(@all, \@row); + } + $self->reset; + return @all; +} + 1;