my $qty = $transfer->{qty};
my $src_bin = $objectify->($transfer, 'src_bin', 'SL::DB::Bin');
my $dst_bin = $objectify->($transfer, 'dst_bin', 'SL::DB::Bin');
my $qty = $transfer->{qty};
my $src_bin = $objectify->($transfer, 'src_bin', 'SL::DB::Bin');
my $dst_bin = $objectify->($transfer, 'dst_bin', 'SL::DB::Bin');