make "is_unique" an attribute

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

diff --git a/lib/SQL/Translator/Object/Index.pm b/lib/SQL/Translator/Object/Index.pm
index 931ca0c..4fad2fe 100644 (file)
--- a/lib/SQL/Translator/Object/Index.pm
+++ b/lib/SQL/Translator/Object/Index.pm
@@ -1,33 +1,44 @@
-package SQL::Translator::Object::Index;
-use Moose;
-use MooseX::Types::Moose qw(HashRef Str);
-use MooseX::AttributeHelpers;
-use SQL::Translator::Types qw(Column);
-extends 'SQL::Translator::Object';
+use MooseX::Declare;
+class SQL::Translator::Object::Index extends SQL::Translator::Object {
+    use MooseX::Types::Moose qw(HashRef Str);
+    use MooseX::MultiMethods;
+    use SQL::Translator::Types qw(Column Table);
 
-has 'name' => (
-  is => 'rw',
-  isa => Str,
-  required => 1
-);
+    has 'table' => (
+        is => 'rw',
+        isa => Table,
+        weak_ref => 1,
+    );
+    
+    has 'name' => (
+        is => 'rw',
+        isa => Str,
+        required => 1
+    );
 
-has 'columns' => (
-  metaclass => 'Collection::Hash',
-  is => 'rw',
-  isa => HashRef[Column],
-  provides => {
-    exists => 'exists_column',
-    keys   => 'column_ids',
-    get    => 'get_column',
-    set    => 'set_column',
-  },
-  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',
+            clear_columns => 'clear',
+        },
+        default => sub { my %hash = (); tie %hash, 'Tie::IxHash'; return \%hash },
+    );
 
-has 'type' => (
-  is => 'rw',
-  isa => Str,
-  required => 1
-);
+    has 'type' => (
+        is => 'rw',
+        isa => Str,
+        required => 1,
+        default => 'NORMAL',
+    );
 
-1;
+    around add_column(Column $column) { $self->$orig($column->name, $column) }
+
+    method is_valid { $self->table && scalar $self->get_columns ? 1 : undef }
+}