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1 | use MooseX::Declare; |
2 | class SQL::Translator { |
3 | use MooseX::Types::Moose qw(Str); |
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4 | use TryCatch; |
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5 | use SQL::Translator::Types qw(DBIHandle Parser Producer); |
6 | |
7 | has 'parser' => ( |
8 | isa => Str, |
9 | is => 'ro', |
10 | init_arg => 'from', |
11 | required => 1, |
12 | ); |
13 | |
14 | has 'producer' => ( |
15 | isa => Str, |
16 | is => 'ro', |
17 | init_arg => 'to', |
18 | required => 1, |
19 | ); |
20 | |
21 | has '_parser' => ( |
22 | isa => Parser, |
23 | is => 'rw', |
24 | lazy_build => 1, |
25 | handles => [ qw(parse) ], |
26 | ); |
27 | |
28 | has '_producer' => ( |
29 | isa => Producer, |
30 | is => 'rw', |
31 | lazy_build => 1, |
32 | handles => [ qw(produce) ], |
33 | ); |
34 | |
35 | has 'dbh' => ( |
36 | isa => DBIHandle, |
37 | is => 'ro', |
38 | predicate => 'has_dbh', |
39 | ); |
40 | |
41 | has 'filename' => ( |
42 | isa => Str, |
43 | is => 'ro', |
44 | predicate => 'has_ddl', |
45 | ); |
46 | |
47 | method _build__parser { |
48 | my $class = 'SQL::Translator::Parser'; |
49 | |
50 | Class::MOP::load_class($class); |
51 | |
52 | my $parser = $class->new({ dbh => $self->dbh }); |
53 | |
54 | return $parser; |
55 | } |
56 | |
57 | method _build__producer { |
58 | my $class = 'SQL::Translator::Producer'; |
59 | my $role = $class . '::' . $self->producer; |
60 | |
61 | Class::MOP::load_class($class); |
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62 | try { Class::MOP::load_class($role) } catch ($e) { $role = $class . '::SQL::' . $self->producer; Class::MOP::load_class($role) } |
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63 | |
64 | my $producer = $class->new({ schema => $self->parse }); |
65 | $role->meta->apply($producer); |
66 | |
67 | return $producer; |
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68 | } |
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69 | |
70 | } |