org.apache.hivemind.conditional
Class AndEvaluator

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

All Implemented Interfaces:

Evaluator

public class AndEvaluator
extends java.lang.Object
implements Evaluator

And operation, evaluates the left node and then (perhaps) the right node (short circuiting may take place).

Since:

1.1

Author:

Howard M. Lewis Ship

Constructor Summary

AndEvaluator()

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

AndEvaluator

public AndEvaluator()

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