org.araneaframework.backend.list.memorybased.expression
Class AlwaysTrueExpression

java.lang.Object
  org.araneaframework.backend.list.memorybased.expression.AlwaysTrueExpression

All Implemented Interfaces:

Expression, Serializable

public class AlwaysTrueExpression

extends Object

implements Expression

Expression that always evaluates to Boolean.TRUE

See Also:

Serialized Form

Constructor Summary

AlwaysTrueExpression()

Method Summary

Object

evaluate(VariableResolver resolver) Evaluates this Expression by returning its value.

Methods inherited from class java.lang.Object

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

Constructor Detail

AlwaysTrueExpression

public AlwaysTrueExpression()

Method Detail

evaluate

public Object evaluate(VariableResolver resolver)

Description copied from interface: Expression

Evaluates this Expression by returning its value. The returned value may also be null.

Specified by:

evaluate in interface Expression

Parameters:

resolver - Resolver that is used to evalute Variables.

Returns:

the value of this Expression.