Package org.geotools.data.complex.filter

Class 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)