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

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

All Implemented Interfaces:

CompositeExpression, Expression, Serializable

public class AndExpression

extends MultiExpression

Composite AND Expression.

See Also:

Serialized Form

Field Summary

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

children

Constructor Summary

AndExpression()

Method Summary

Object

evaluate(VariableResolver resolver) Returns Boolean.TRUE if all expressions evaluate 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

AndExpression

public AndExpression()

Method Detail

evaluate

public Object evaluate(VariableResolver resolver)
                throws ExpressionEvaluationException

Returns Boolean.TRUE if all expressions evaluate to Boolean.TRUE, Boolean.FALSE otherwise.

Parameters:

resolver - Resolver that is used to evalute Variables.

Returns:

whether all expression evaluated to true

Throws:

ExpressionEvaluationException - when the evaluating fails.