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1 | use MooseX::Declare; |
2 | class SQL::Translator { |
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3 | use TryCatch; |
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4 | use MooseX::Types::Moose qw(Bool HashRef Str); |
5 | use SQL::Translator::Types qw(DBIHandle Parser Producer Schema); |
6 | use SQL::Translator::Object::Schema; |
7 | |
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8 | has 'parser' => ( |
9 | isa => Str, |
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10 | is => 'rw', |
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11 | init_arg => 'from', |
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12 | ); |
13 | |
14 | has 'producer' => ( |
15 | isa => Str, |
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16 | is => 'rw', |
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17 | init_arg => 'to', |
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18 | ); |
19 | |
20 | has '_parser' => ( |
21 | isa => Parser, |
22 | is => 'rw', |
23 | lazy_build => 1, |
24 | handles => [ qw(parse) ], |
25 | ); |
26 | |
27 | has '_producer' => ( |
28 | isa => Producer, |
29 | is => 'rw', |
30 | lazy_build => 1, |
31 | handles => [ qw(produce) ], |
32 | ); |
33 | |
34 | has 'dbh' => ( |
35 | isa => DBIHandle, |
36 | is => 'ro', |
37 | predicate => 'has_dbh', |
38 | ); |
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39 | |
40 | has 'schema' => ( |
41 | isa => Schema, |
42 | is => 'rw', |
43 | default => sub { SQL::Translator::Object::Schema->new } |
44 | ); |
45 | |
46 | has 'parser_args' => ( |
47 | isa => HashRef, |
48 | is => 'rw', |
49 | ); |
50 | |
51 | has 'producer_args' => ( |
52 | isa => HashRef, |
53 | is => 'rw', |
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54 | ); |
55 | |
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56 | has 'add_drop_table' => (isa => Bool, is => 'rw', default => 0); |
57 | has 'no_comments' => (isa => Bool, is => 'rw', default => 0); |
58 | has 'show_warnings' => (isa => Bool, is => 'rw', default => 1); |
59 | has 'trace' => (isa => Bool, is => 'rw', default => 0); |
60 | has 'version' => (isa => Str, is => 'rw'); |
61 | has 'filename' => (isa => Str, is => 'rw'); |
62 | |
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63 | method _build__parser { |
64 | my $class = 'SQL::Translator::Parser'; |
65 | |
66 | Class::MOP::load_class($class); |
67 | |
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68 | my $parser; |
69 | if ($self->has_dbh) { |
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70 | $parser = $class->new({ translator => $self, dbh => $self->dbh }); |
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71 | } else { |
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72 | $parser = $class->new({ translator => $self, type => $self->parser || '' }); |
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73 | } |
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74 | |
75 | return $parser; |
76 | } |
77 | |
78 | method _build__producer { |
79 | my $class = 'SQL::Translator::Producer'; |
80 | my $role = $class . '::' . $self->producer; |
81 | |
82 | Class::MOP::load_class($class); |
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83 | try { Class::MOP::load_class($role) } catch ($e) { warn "ERROR: $e"; $role = $class . '::SQL::' . $self->producer; Class::MOP::load_class($role) } |
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84 | |
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85 | my $producer = $class->new({ translator => $self }); |
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86 | $role->meta->apply($producer); |
87 | |
88 | return $producer; |
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89 | } |
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90 | |
91 | method translate(:$data, :$producer?, :$producer_args?, :$parser?, :$parser_args?) { |
92 | if ($parser) { |
93 | $self->_clear_parser; |
94 | $self->parser($parser); |
95 | $self->schema($self->parse($data)); |
96 | } elsif ($producer) { |
97 | $self->_clear_producer; |
98 | $self->schema($self->parse($data)) if $data; |
99 | $self->producer($producer); |
100 | return $self->produce; |
101 | } |
102 | } |
103 | |
104 | method parser_type { return $self->parser } |
105 | method producer_type { return $self->producer } |
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106 | } |