org.apache.hivemind.conditional
Class NotEvaluator

java.lang.Object
  org.apache.hivemind.conditional.NotEvaluator

All Implemented Interfaces:

Evaluator

public class NotEvaluator
extends java.lang.Object
implements Evaluator

Evaluates the left child of its peer Node and inverts the result.

Since:

1.1

Author:

Howard M. Lewis Ship

Constructor Summary

NotEvaluator()

Method Summary

boolean

evaluate(EvaluationContext context, Node node) Invoked by the Node to evaluate its own value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NotEvaluator

public NotEvaluator()

Method Detail

evaluate

public boolean evaluate(EvaluationContext context,
                        Node node)

Description copied from interface: Evaluator

Invoked by the Node to evaluate its own value. Typical implementations will extract the Node's left and right properties and combine or otherwise evaluate them. Terminal nodes in the tree will have evaluators that don't do that but generate a return value internally.

Specified by:

evaluate in interface Evaluator