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java.lang.Object
   |
   +----edu.utah.janos.nodeos.FlowRegister

Summary

class  FlowRegister
     extends java.lang.Object
{
          // Fields 1
     private static final Vector flows;

          // Constructors 1
     public FlowRegister();

          // Methods 3
     public static Flow findFlow(String);
     static void register(Flow);
     static void unregister(Flow);


          // Inner Classes 1
     private static class FlowRegister.FlowInfo
}

Maintain a map of all the Flows in the system. Currently only used by the FlowInfo InfoHook.

NOTE: We don't use a hashtable to map flows from name to flow object, becuase names are mutable and are set after the flow is registered.

Author:

Janos Ministry of Development

Fields

· flows

Summary  |  Top

   private static final Vector flows

Constructors

· FlowRegister

Summary  |  Top

   public FlowRegister() 

Default constructor

   static void register(Flow flow) 

Register a flow.

   static void unregister(Flow flow) 

Unregister a flow.

NOTE: this method is invoked in a context where most of the Flow has been destroyed. Beware.

   public static Flow findFlow(String name) 

Return the flow object corresponding to the given name

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