lib/spnet/ports/command_out_port.rb in spnet-0.1.4 vs lib/spnet/ports/command_out_port.rb in spnet-0.1.5

@@ -1,26 +1,32 @@
 module SPNet
+
+# Execute commands for a connected CommandInPort object.
+#
+# @author James Tunnell
 class CommandOutPort < OutPort
 
-  def initialize hashed_args = {}
-    hashed_args.merge!(:matching_port_class => CommandInPort)
-    super(hashed_args)
+  # A new instance of CommandOutPort.
+  def initialize
+    super(:matching_class => CommandInPort)
   end
   
+  # If linked, return the result of calling the connected CommandInPort object's
+  # list_commands method. Otherwise, return false.
   def list_commands
-    rvs = []
-    @links.each do |link|
-      rvs.push link.list_commands
+    unless @link.nil?
+      return @link.to.list_commands
     end
-    return rvs
+    return false
   end
 
+  # If linked, return the result of calling the connected CommandInPort object's
+  # exec_command method. Otherwise, return false.
   def exec_command command, data = nil
-    rvs = []
-    @links.each do |link|
-      rvs.push link.exec_command(command, data)
+    unless @link.nil?
+      return @link.to.exec_command(command, data)
     end
-    return rvs
+    return false
   end
 
 end
 end
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