view release on metacpan or  search on metacpan

lib/Abstract/Meta/Attribute/Method.pm  view on Meta::CPAN

Takes obj reference.

=cut

    sub start_association_process {
    my ($self) = @_;
        $pending_association{$self} = 1;
    }


=item has_pending_association

Returns true is object is during association process.

=cut

    sub has_pending_association {
        my ($self) = @_;
        $pending_association{$self}; 
    }


=item end_association_process

Compleetes association process.

=cut

    sub end_association_process {
        my ($self) = @_;
        delete $pending_association{$self};
    }

}


=item associate_the_other_end

Associate current object reference to the the other end associated class.

TODO

=cut

sub associate_the_other_end {
    my ($attr, $self, $value) = @_;
    my $the_other_end = $attr->the_other_end;
    my $name = $attr->name;
    return if ! $the_other_end || has_pending_association($self);
    my $associated_class = $attr->associated_class;
    my $the_other_end_attribute = $associated_class->meta->attribute($the_other_end);

    confess "missing other end attribute on ". ref($value) . "::" . $the_other_end
        unless $the_other_end_attribute;

    confess "invalid definition for " . ref($self) ."::". $name
    . " - associatied class not defined on " . ref($value) ."::" . $the_other_end
        unless $the_other_end_attribute->associated_class;

    start_association_process($value);
    eval {
            my $association_call = 'associate_' . lc($the_other_end_attribute->perl_type) . '_as_the_other_end';
            $attr->$association_call($self, $value);
    };
    end_association_process($value);
    die $@ if $@;
}



=item associate_scalar_as_the_other_end

=cut

sub associate_scalar_as_the_other_end {
    my ($attr, $self, $value) = @_;
    my $the_other_end = $attr->the_other_end;
    $value->$the_other_end($self);
}


=item associate_hash_as_the_other_end

=cut

sub associate_hash_as_the_other_end {
    my ($attr, $self, $value) = @_;
    my $the_other_end = $attr->the_other_end;
    my $associated_class = $attr->associated_class;
    my $the_other_end_attribute = $associated_class->meta->attribute($the_other_end);
    my $item_accessor = $the_other_end_attribute->item_accessor;
    my $index_by = $the_other_end_attribute->index_by;
    if ($index_by) {
        $value->$item_accessor($self->$index_by, $self);
    } else {
        $value->$item_accessor($self . "", $self);
    }
}


=item associate_array_as_the_other_end

=cut

sub associate_array_as_the_other_end {
    my ($attr, $self, $value) = @_;
    my $the_other_end = $attr->the_other_end;
    my $associated_class = $attr->associated_class;    
    my $the_other_end_attribute = $associated_class->meta->attribute($the_other_end);
    my $other_end_accessor = $the_other_end_attribute->accessor;
    my $setter = "push_${other_end_accessor}";
    $value->$setter($self);
}


=item deassociate

Deassociates assoication values

=cut