org.openorb.constraint.object
Class ExistOperator

java.lang.Object
  extended by org.openorb.constraint.object.Base
      extended by org.openorb.constraint.object.ExistOperator

public class ExistOperator
extends Base

This class is a constraint tree node that represents the 'exist' operator.

Author:
Jerome Daniel

Constructor Summary
ExistOperator(Base op)
          Constructor
 
Method Summary
 java.lang.Object evaluate()
          This operation is invoked by the tree evaluator to get this node value.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ExistOperator

public ExistOperator(Base op)
Constructor

Method Detail

evaluate

public java.lang.Object evaluate()
                          throws InvalidValue
This operation is invoked by the tree evaluator to get this node value.

Specified by:
evaluate in class Base
Throws:
InvalidValue