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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', |
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43 | lazy => 1, |
44 | default => sub { SQL::Translator::Object::Schema->new }, |
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45 | ); |
46 | |
47 | has 'parser_args' => ( |
48 | isa => HashRef, |
49 | is => 'rw', |
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50 | predicate => 'has_parser_args', |
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51 | ); |
52 | |
53 | has 'producer_args' => ( |
54 | isa => HashRef, |
55 | is => 'rw', |
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56 | predicate => 'has_producer_args', |
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57 | ); |
58 | |
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59 | has 'add_drop_table' => (isa => Bool, is => 'rw', default => 0); |
60 | has 'no_comments' => (isa => Bool, is => 'rw', default => 0); |
61 | has 'show_warnings' => (isa => Bool, is => 'rw', default => 1); |
62 | has 'trace' => (isa => Bool, is => 'rw', default => 0); |
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63 | has 'quote_table_names' => (isa => Bool, is => 'rw', default => 0); |
64 | has 'quote_field_names' => (isa => Bool, is => 'rw', default => 0); |
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65 | has 'version' => (isa => Str, is => 'rw'); |
66 | has 'filename' => (isa => Str, is => 'rw'); |
67 | |
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68 | method _build__parser { |
69 | my $class = 'SQL::Translator::Parser'; |
70 | |
71 | Class::MOP::load_class($class); |
72 | |
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73 | my $parser; |
74 | if ($self->has_dbh) { |
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75 | $parser = $class->new({ translator => $self, dbh => $self->dbh }); |
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76 | } else { |
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77 | $parser = $class->new({ translator => $self, type => $self->parser || '' }); |
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78 | } |
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79 | |
80 | return $parser; |
81 | } |
82 | |
83 | method _build__producer { |
84 | my $class = 'SQL::Translator::Producer'; |
85 | my $role = $class . '::' . $self->producer; |
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86 | |
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87 | Class::MOP::load_class($class); |
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88 | try { |
89 | Class::MOP::load_class($role) |
90 | } catch ($e) { |
91 | $role = $class . '::SQL::' . $self->producer; |
92 | Class::MOP::load_class($role) |
93 | } |
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94 | |
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95 | my $producer = $class->new({ translator => $self }); |
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96 | $role->meta->apply($producer); |
97 | |
98 | return $producer; |
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99 | } |
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100 | |
101 | method translate(:$data, :$producer?, :$producer_args?, :$parser?, :$parser_args?) { |
102 | if ($parser) { |
103 | $self->_clear_parser; |
104 | $self->parser($parser); |
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105 | $self->parse($data); |
106 | $self->schema; |
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107 | } elsif ($producer) { |
108 | $self->_clear_producer; |
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109 | $self->parse($data) if $data; |
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110 | $self->producer($producer); |
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111 | $self->produce; |
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112 | } |
113 | } |
114 | |
115 | method parser_type { return $self->parser } |
116 | method producer_type { return $self->producer } |
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117 | } |