Version 0.30

[gitmo/MooseX-Storage.git] / lib / MooseX / Storage / Deferred.pm

diff --git a/lib/MooseX/Storage/Deferred.pm b/lib/MooseX/Storage/Deferred.pm
index 586aef7..dab6f69 100644 (file)
--- a/lib/MooseX/Storage/Deferred.pm
+++ b/lib/MooseX/Storage/Deferred.pm
@@ -1,39 +1,64 @@
 package MooseX::Storage::Deferred;
 use Moose::Role;
 
-our $VERSION   = '0.03';
+our $VERSION   = '0.30';
 our $AUTHORITY = 'cpan:STEVAN';
 
 with 'MooseX::Storage::Basic';
 
+sub __get_method {
+    my ( $self, $basename, $value, $method_name ) = @_;
+
+    my $role   = MooseX::Storage->_expand_role($basename => $value)->meta;
+    my $method = $role->get_method($method_name)->body;
+}
+
 sub thaw {
     my ( $class, $packed, $type, @args ) = @_;
-    
-    (exists $type->{format}) 
+
+    (exists $type->{format})
         || confess "You must specify a format type to thaw from";
 
-    my $class_to_load = 'MooseX::Storage::Format::' . $type->{format};
-    Class::MOP::load_class($class_to_load);
-    
-    my $method_to_call = $class_to_load . '::thaw';
-    
-    $class->$method_to_call($packed, @args);
+    my $code = $class->__get_method(Format => $type->{format} => 'thaw');
+
+    $class->$code($packed, @args);
 }
 
 sub freeze {
     my ( $self, $type, @args ) = @_;
-    
-    (exists $type->{format}) 
-        || confess "You must specify a format type to freeze into";    
-    
-    my $class_to_load = 'MooseX::Storage::Format::' . $type->{format};
-    Class::MOP::load_class($class_to_load);
-
-    my $method_to_call = $class_to_load . '::freeze';
-        
-    $self->$method_to_call(@args);    
+
+    (exists $type->{format})
+        || confess "You must specify a format type to freeze into";
+
+    my $code = $self->__get_method(Format => $type->{format} => 'freeze');
+
+    $self->$code(@args);
+}
+
+sub load {
+    my ( $class, $filename, $type, @args ) = @_;
+
+    (exists $type->{io})
+        || confess "You must specify an I/O type to load with";
+
+    my $code = $class->__get_method(IO => $type->{io} => 'load');
+
+    $class->$code($filename, $type, @args);
+}
+
+sub store {
+    my ( $self, $filename, $type, @args ) = @_;
+
+    (exists $type->{io})
+        || confess "You must specify an I/O type to store with";
+
+    my $code = $self->__get_method(IO => $type->{io} => 'store');
+
+    $self->$code($filename, $type, @args);
 }
 
+no Moose::Role;
+
 1;
 
 __END__
@@ -49,39 +74,74 @@ MooseX::Storage::Deferred - A role for undecisive programmers
   package Point;
   use Moose;
   use MooseX::Storage;
-  
+
   our $VERSION = '0.01';
-  
+
   with 'MooseX::Storage::Deferred';
-  
+
   has 'x' => (is => 'rw', isa => 'Int');
   has 'y' => (is => 'rw', isa => 'Int');
-  
+
   1;
-  
+
   my $p = Point->new(x => 10, y => 10);
-  
-  ## methods to freeze/thaw into 
+
+  ## methods to freeze/thaw into
   ## a specified serialization format
   ## (in this case JSON)
-  
+
   # pack the class into a JSON string
   $p->freeze({ format => 'JSON' }); # { "__CLASS__" : "Point", "x" : 10, "y" : 10 }
-  
+
+  # pack the class into a JSON string using parameterized JSONpm role
+  $p->freeze({ format => [ JSONpm => { json_opts => { pretty => 1 } } ] });
+
   # unpack the JSON string into a class
   my $p2 = Point->thaw(
       '{ "__CLASS__" : "Point", "x" : 10, "y" : 10 }',
       { format => 'JSON' }
-  );  
+  );
 
 =head1 DESCRIPTION
 
-This role is designed for those times when you need to 
-serialize into many different formats or I/O options. 
-It basically allows you to choose the format and IO 
-options only when you actually use them (see the 
+This role is designed for those times when you need to
+serialize into many different formats or I/O options.
+
+It basically allows you to choose the format and IO
+options only when you actually use them (see the
 SYNOPSIS for more info)
 
+=head1 SUPPORTED FORMATS
+
+=over 4
+
+=item I<JSON>
+
+=item I<JSONpm>
+
+=item I<YAML>
+
+=item I<Storable>
+
+=back
+
+=head1 SUPPORTED I/O
+
+=over 4
+
+=item I<File>
+
+=item I<AtomicFile>
+
+=back
+
+B<NOTE:> The B<StorableFile> I/O option is not supported,
+this is because it does not mix well with options who also
+have a C<thaw> and C<freeze> methods like this. It is possible
+to probably work around this issue, but I don't currently
+have the need for it. If you need this supported, talk to me
+and I will see what I can do.
+
 =head1 METHODS
 
 =over 4
@@ -90,6 +150,10 @@ SYNOPSIS for more info)
 
 =item B<thaw ($data, $type_desc)>
 
+=item B<load ($filename, $type_desc)>
+
+=item B<store ($filename, $type_desc)>
+
 =back
 
 =head2 Introspection
@@ -102,7 +166,7 @@ SYNOPSIS for more info)
 
 =head1 BUGS
 
-All complex software has bugs lurking in it, and this module is no 
+All complex software has bugs lurking in it, and this module is no
 exception. If you find a bug please either email me, or add the bug
 to cpan-RT.