X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMooseX%2FStorage%2FDeferred.pm;h=dab6f69c895ed0b2a0a0d3b9bd0691c23a767280;hb=3e13f37e59d9e944364e51af35894a1dc744bc81;hp=586aef770d2cc26351f8d6f53a1df4ce758e19b9;hpb=1f3074ea2b80c4c8dfc081414f87285bc7892c82;p=gitmo%2FMooseX-Storage.git diff --git a/lib/MooseX/Storage/Deferred.pm b/lib/MooseX/Storage/Deferred.pm index 586aef7..dab6f69 100644 --- 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 + +=item I + +=item I + +=item I + +=back + +=head1 SUPPORTED I/O + +=over 4 + +=item I + +=item I + +=back + +B The B I/O option is not supported, +this is because it does not mix well with options who also +have a C and C 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 +=item B + +=item B + =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.