org.araneaframework.backend.list.memorybased.expression.logical
Class OrExpression

java.lang.Object
  org.araneaframework.backend.list.memorybased.expression.MultiExpression
      org.araneaframework.backend.list.memorybased.expression.logical.OrExpression

All Implemented Interfaces:

CompositeExpression, Expression, Serializable

public class OrExpression

extends MultiExpression

Composite OR Expression.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.araneaframework.backend.list.memorybased.expression.MultiExpression

children

Constructor Summary

OrExpression()

Method Summary

Object

evaluate(VariableResolver resolver) Returns Boolean.TRUE if at least one expressions evaluates to Boolean.TRUE, Boolean.FALSE otherwise.

Methods inherited from class org.araneaframework.backend.list.memorybased.expression.MultiExpression

add, getChildren

Methods inherited from class java.lang.Object

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

Constructor Detail

OrExpression

public OrExpression()

Method Detail

evaluate

public Object evaluate(VariableResolver resolver)
                throws ExpressionEvaluationException

Returns Boolean.TRUE if at least one expressions evaluates to Boolean.TRUE, Boolean.FALSE otherwise.

Parameters:

resolver - Resolver that is used to evalute Variables.

Returns:

whether any of the expression evaluated to true

Throws:

ExpressionEvaluationException - when the evaluating fails.