Package org.geotools.data.complex.filter

Class UnmappingFilterVisitor

Object
UnmappingFilterVisitor
All Implemented Interfaces:
ExpressionVisitor, FilterVisitor
public class UnmappingFilterVisitor extends Object implements FilterVisitor, ExpressionVisitor
A Filter visitor that traverse a Filter or Expression made against a complex FeatureType, and that uses the attribute and type mapping information given by a FeatureTypeMapping object to produce an equivalent Filter that operates against the original FeatureType.

Usage: 

 <code>
    Filter filterOnTargetType = ...
    FeatureTypeMappings schemaMapping = ....

    UnMappingFilterVisitor visitor = new UnmappingFilterVisitor(schemaMapping);
    Filter filterOnSourceType = (Filter)filterOnTargetType.accept(visitor, null);

 </code>
Since:
2.4
Author:
Gabriel Roldan (Axios Engineering), Rini Angreani (CSIRO Earth Science and Resource Engineering)