org.deegree.filter.function.geometry
Class IsSurface

java.lang.Object
  org.deegree.filter.expression.Function
      org.deegree.filter.function.geometry.IsSurface

All Implemented Interfaces:

Expression

public class IsSurface
extends Function

IsSurface

Version:

$Revision: 22694 $, $Date: 2010-02-23 11:14:29 +0100 (Di, 23 Feb 2010) $

Author:

Andreas Schmitz, last edited by: $Author: aschmitz $

Nested Class Summary

Nested classes/interfaces inherited from interface org.deegree.filter.Expression

Expression.Type

Constructor Summary

IsSurface(List<Expression> exprs)

Method Summary

Object[]

evaluate(MatchableObject f) Determines the values of the expression for the given MatchableObject.

Methods inherited from class org.deegree.filter.expression.Function

getName, getParameters, getParams, getType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IsSurface

public IsSurface(List<Expression> exprs)

Parameters:

exprs -

Method Detail

evaluate

public Object[] evaluate(MatchableObject f)
                  throws FilterEvaluationException

Description copied from interface: Expression

Determines the values of the expression for the given MatchableObject.

Note that this returns an Object[], as an expression may evaluate to multiple values, e.g. a PropertyName that targets a multi property of a feature.

Specified by:

evaluate in interface Expression

Overrides:

evaluate in class Function

Parameters:

f - object that the expression is evaluated upon

Returns:

the values of the expression, may be empty (and even contain null values), but never null

Throws:

FilterEvaluationException