Adding cached attribute support to resources.

The Catalog is the expirer, which means that a resource
with no catalog will not cache data.

Also switching files to use a cached attribute for its stat.

And modifying catalogs to expire data at the end of every
transaction.

Signed-off-by: Luke Kanies <luke@madstop.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/lib/puppet/node/catalog.rb b/lib/puppet/node/catalog.rb
index 8862d0cc9..a438a4764 100644
--- a/lib/puppet/node/catalog.rb
+++ b/lib/puppet/node/catalog.rb
@@ -2,6 +2,8 @@ require 'puppet/indirector'
 require 'puppet/simple_graph'
 require 'puppet/transaction'
 
+require 'puppet/util/cacher'
+
 require 'puppet/util/tagging'
 
 # This class models a node catalog.  It is the thing
@@ -15,6 +17,7 @@ class Puppet::Node::Catalog < Puppet::SimpleGraph
     indirects :catalog, :terminus_class => :compiler
 
     include Puppet::Util::Tagging
+    include Puppet::Util::Cacher::Expirer
 
     # The host name this is a catalog for.
     attr_accessor :name
@@ -394,6 +397,9 @@ class Puppet::Node::Catalog < Puppet::SimpleGraph
             @transient_resources.clear
             @relationship_graph = nil
         end
+
+        # Expire any cached data the resources are keeping.
+        expire()
     end
 
     # Verify that the given resource isn't defined elsewhere.