lib/apullo/fingerprints/base.rb in apullo-0.1.3 vs lib/apullo/fingerprints/base.rb in apullo-0.1.4

@@ -5,16 +5,34 @@
     class Base
       attr_reader :target
 
       def initialize(target)
         @target = target
+        @results = nil
       end
 
       def name
         self.class.to_s.split("::").last.to_s.downcase
       end
 
       def results
+        return @results if @results
+
+        with_error_handling do
+          @results ||= build_results
+        end
+        @results
+      end
+
+      private
+
+      def with_error_handling
+        yield
+      rescue StandardError => e
+        @results = { error: e.to_s }
+      end
+
+      def build_results
         raise NotImplementedError, "You must implement #{self.class}##{__method__}"
       end
 
       class << self
         def inherited(child)