change Undef to an empty ArrayRef and remove auto_deref

[dbsrgits/SQL-Translator-2.0-ish.git] / lib / SQL / Translator / Object / Constraint.pm

diff --git a/lib/SQL/Translator/Object/Constraint.pm b/lib/SQL/Translator/Object/Constraint.pm
index b3b0674..91e8cee 100644 (file)
--- a/lib/SQL/Translator/Object/Constraint.pm
+++ b/lib/SQL/Translator/Object/Constraint.pm
@@ -1,25 +1,76 @@
-package SQL::Translator::Object::Constraint;
-use Moose;
-use MooseX::Types::Moose qw(HashRef Str);
-use SQL::Translator::Types qw(Column);
-extends 'SQL::Translator::Object';
-
-has 'name' => (
-  is => 'rw',
-  isa => Str,
-  required => 1
-);
-
-has 'columns' => (
-  is => 'rw',
-  isa => HashRef[Column],
-  required => 1
-);
-
-has 'type' => (
-  is => 'rw',
-  isa => Str,
-  required => 1
-);
-
-1;
+use MooseX::Declare;
+class SQL::Translator::Object::Constraint extends SQL::Translator::Object {
+    use MooseX::Types::Moose qw(ArrayRef Bool HashRef Maybe Str Undef);
+    use SQL::Translator::Types qw(Column Table);
+
+    has 'table' => (
+        is => 'rw',
+        isa => Table,
+        required => 1,
+        weak_ref => 1,
+    );
+    
+    has 'name' => (
+        is => 'rw',
+        isa => Maybe[Str],
+        required => 1
+    );
+    
+    has 'columns' => (
+        traits => ['Hash'],
+        is => 'rw',
+        isa => HashRef[Column],
+        handles => {
+            exists_column => 'exists',
+            column_ids    => 'keys',
+            get_columns   => 'values',
+            get_column    => 'get',
+            add_column    => 'set',
+
+            ## compat
+            get_fields    => 'values',
+            fields        => 'keys',
+        },
+        default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash },
+    );
+    
+    has 'type' => (
+        is => 'rw',
+        isa => Str,
+        required => 1
+    );
+
+    has 'deferrable' => (
+        is => 'rw',
+        isa => Bool,
+        default => 1
+    );
+
+    has 'expression' => (
+        is => 'rw',
+        isa => Str,
+    );
+
+    has 'reference_table' => (
+        isa => Maybe[Str],
+        is => 'rw',
+    );
+
+    has 'reference_columns' => (
+        isa => ArrayRef,
+        traits => ['Array'],
+        handles => {
+            reference_columns => 'elements',
+        },
+        default => sub { [] },
+    );
+
+    has 'match_type' => (
+        isa => Str,
+        is => 'rw'
+    );
+
+    around add_column(Column $column) { $self->$orig($column->name, $column) }
+
+    method reference_fields { $self->reference_columns }
+}