lib/music-transcription/change.rb in music-transcription-0.5.11 vs lib/music-transcription/change.rb in music-transcription-0.6.0

@@ -1,27 +1,34 @@
 module Music
 module Transcription
 
 class Change
-  attr_accessor :value
+  attr_accessor :value, :duration
   
-  def initialize value
+  def initialize value, duration
     @value = value
+    @duration = duration
+    
+    unless duration >= 0
+      raise ArgumentError, "duration #{duration} must be >= 0"
+    end
   end
   
   def ==(other)
-    self.class == other.class && self.value == other.value
+    self.class == other.class &&
+    self.value == other.value &&
+    self.duration == other.duration
   end
 
   class Immediate < Change
     def initialize value
-      super(value)
+      super(value,0)
     end
   end
   
   class Gradual < Change
-    def initialize value
-      super(value)
+    def initialize value, transition_duration
+      super(value, transition_duration)
     end
   end
 end
 
 end
\ No newline at end of file