org.orbisgis.legend.structure.recode

Class FieldAggregatorVisitor

java.lang.Object

org.orbisgis.legend.structure.recode.FieldAggregatorVisitor

All Implemented Interfaces:

CategorizedParameterVisitor, ParameterVisitor, RecodedParameterVisitor

public class FieldAggregatorVisitor
extends Object
implements RecodedParameterVisitor, CategorizedParameterVisitor

Gathers all the fields used in the visited RecodedLegend instances.

Author:

alexis

Constructor Summary

Constructors

Constructor and Description
FieldAggregatorVisitor()

Method Summary

Methods

Modifier and Type	Method and Description
Set<String>	getFields() Return the set containing all the fields that have been encountered in the analysed RecodedLegend.
void	visit(CategorizedLegend legend) Visit the given CategorizedLegend.
void	visit(org.orbisgis.legend.structure.recode.RecodedLegend legend) Adds the legend's field to the set of analysed fields.

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldAggregatorVisitor

public FieldAggregatorVisitor()

Method Detail

visit

public void visit(org.orbisgis.legend.structure.recode.RecodedLegend legend)

Adds the legend's field to the set of analysed fields. If legend.field() == null, don't do anything.

Specified by:

visit in interface RecodedParameterVisitor

Parameters:

legend - The RecodedLegend we will analyse

visit

public void visit(CategorizedLegend legend)

Description copied from interface: CategorizedParameterVisitor

Visit the given CategorizedLegend. It's the intelligent part of the visitor implementation.

Specified by:

visit in interface CategorizedParameterVisitor

getFields

public Set<String> getFields()

Return the set containing all the fields that have been encountered in the analysed RecodedLegend.

Returns: