Class RelayNode

  extended byedu.usc.alfa.xalfa.ast.Node
      extended byedu.usc.alfa.xalfa.ast.NamedNode
          extended byedu.usc.alfa.xalfa.ast.primitive.ConstituentNode
              extended byedu.usc.alfa.xalfa.ast.primitive.RelayNode

public final class RelayNode
extends ConstituentNode

A relay is a special primitive constituent in Alfa, and provides uni-directional routing of data items. It has a predefined behavior according to Alfa's composition theory.

Constructor Summary
RelayNode(java.lang.String ID, java.lang.String name)
          Creates a new instance of RelayNode
Method Summary
 void accept(edu.usc.alfa.xalfa.visitor.NodeVisitor v)
          The visitor method to analyze xAlfa objects.
 java.lang.String toDebugString(int level)
          Generate debug information for this node.
 java.lang.String toString()
Methods inherited from class edu.usc.alfa.xalfa.ast.primitive.ConstituentNode
getPortalGroups, getStructuralConstraints, getTemplate, setPortalGroups, setStructuralConstraints, setTemplate
Methods inherited from class edu.usc.alfa.xalfa.ast.NamedNode
Methods inherited from class edu.usc.alfa.xalfa.ast.Node
equals, getID, getTabs, hashCode, nodeSequenceString, nodeSequenceString, toDebugString
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail


public RelayNode(java.lang.String ID,
                 java.lang.String name)
Creates a new instance of RelayNode

Method Detail


public void accept(edu.usc.alfa.xalfa.visitor.NodeVisitor v)
Description copied from class: Node
The visitor method to analyze xAlfa objects. This method is part of the Visitor pattern from GOF.

Specified by:
accept in class Node
v - Node Visitor that wants to visit this node.


public java.lang.String toString()


public java.lang.String toDebugString(int level)
Description copied from class: Node
Generate debug information for this node. Nesting levels are provided so that hierarchical information can be easily debugged. Typically, debugging information includes values of various parameters and the debugging information for internal objects

toDebugString in class ConstituentNode