From: Stevan Little <stevan.little@iinteractive.com>
Date: Fri, 30 Mar 2007 20:13:20 +0000 (+0000)
Subject: adding atomic file
X-Git-Tag: 0_02~30
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMooseX-Storage.git;a=commitdiff_plain;h=12145c6eb1fafe979d96846a4df4607928918b8c

adding atomic file
---

diff --git a/lib/MooseX/Storage/Engine/IO/AtomicFile.pm b/lib/MooseX/Storage/Engine/IO/AtomicFile.pm
new file mode 100644
index 0000000..89fc8cf
--- /dev/null
+++ b/lib/MooseX/Storage/Engine/IO/AtomicFile.pm
@@ -0,0 +1,87 @@
+
+package MooseX::Storage::Engine::IO::AtomicFile;
+use Moose;
+
+use IO::AtomicFile;
+
+has 'file' => (
+	is       => 'ro',
+	isa      => 'Str',	
+	required => 1,
+);
+
+sub load { 
+	my ($self) = @_;
+	# NOTE:
+	# AtomicFile gives us no real 
+	# benefit when reading, so why
+	# bother
+	# - SL
+	my $fh = IO::File->new($self->file, 'r');
+	return do { local $/; <$fh>; };
+}
+
+sub store {
+	my ($self, $data) = @_;
+	my $fh = IO::AtomicFile->new($self->file, 'w');
+	print $fh $data;
+	$fh->close() 
+	    || confess "Could not write atomic file (" . $self->file . ") because: $!";
+}
+
+1;
+
+__END__
+
+=pod
+
+=head1 NAME
+
+MooseX::Storage::Engine::IO::File
+
+=head1 SYNOPSIS
+
+=head1 DESCRIPTION
+
+=head1 METHODS
+
+=over 4
+
+=item B<file>
+
+=item B<load>
+
+=item B<store ($data)>
+
+=back
+
+=head2 Introspection
+
+=over 4
+
+=item B<meta>
+
+=back
+
+=head1 BUGS
+
+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.
+
+=head1 AUTHOR
+
+Chris Prather E<lt>chris.prather@iinteractive.comE<gt>
+
+Stevan Little E<lt>stevan.little@iinteractive.comE<gt>
+
+=head1 COPYRIGHT AND LICENSE
+
+Copyright 2007 by Infinity Interactive, Inc.
+
+L<http://www.iinteractive.com>
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
+=cut