Package com.luciad.ogc.filter.evaluator

This package provides classes to evaluate an OGC 1.0/1.1/2.0 filter.

See: Description

Interface Summary

Interface	Description
ILcdEvaluator	Deprecated There is no need to implement this interface yourself, or to use this interface directly. Evaluating a filter is done by creating a TLcdOGCFilterEvaluator instance.
ILcdEvaluatorFactory	Deprecated There is no need to implement this interface yourself, or to use this interface directly. Evaluating a filter is done by creating a TLcdOGCFilterEvaluator instance.
ILcdEvaluatorFunction	This interface represents the logic to evaluate an extension of the standard filtering functionality.
ILcdOGCFilterEvaluator	This is the common interface for all implementations able to evaluate or interpret an OGC filter (see TLcdOGCFilter).
ILcdPropertyRetriever	This interface allows to abstract the way a property is obtained from a given object.
ILcdPropertyRetrieverProvider	This interface allows to abstract the way an OGC XPath expression can reference a property of a given object.
ILcdSpatialEvaluatorFunction	Deprecated Implement ILcdEvaluatorFunction to support your own OGC functions.

Class Summary

Class	Description
TLcdDataObjectPropertyRetrieverProvider	This implementation of ILcdPropertyRetrieverProvider resolves OGC XPath expressions on ILcdDataObject objects.
TLcdFeaturedDescriptorPropertyRetrieverProvider	This implementation of ILcdPropertyRetrieverProvider uses a given instance of ILcdFeaturedDescriptor for mapping OGC property names on features of a ILcdFeatured object.
TLcdFeaturedDescriptorProviderPropertyRetrieverProvider	This implementation of ILcdPropertyRetrieverProvider uses a given instance of ILcdFeaturedDescriptorProvider for mapping OGC property names on features of a ILcdFeatured object.
TLcdOGCFilterContext	This class holds a feature ID retriever, a property retriever provider and a default georeference with which an implementation of ILcdOGCFilterEvaluator must be provided in order to be able to interpret a filter or an expression.
TLcdOGCFilterEvaluator	This class allows to convert a TLcdOGCFilter into an ILcdDynamicFilter which can be used to determine whether objects pass the filter or not.
TLcdPropertyRetrieverUtil	Deprecated This class only contains one static utility method, which is the equivalent of ILcdPropertyRetrieverProvider.createDefaultPropertyRetrieverProvider(ILcdModel)
TLcdSelfPropertyRetriever	This class is an implementation of ILcdPropertyRetriever that returns the object itself.
TLcdSelfPropertyRetrieverProvider	This class is an implementation of ILcdPropertyRetrieverProvider that returns a instance of TLcdSelfPropertyRetriever.
TLcdXMLElementPropertyRetrieverProvider	Deprecated This class is deprecated because ILcdXMLElement has been deprecated.

Package com.luciad.ogc.filter.evaluator Description

This package provides classes to evaluate an OGC 1.0/1.1/2.0 filter. This can be achieved by using the TLcdOGCFilterEvaluator class to build an ILcdFilter from a TLcdOGCFilter.

The most important classes of this package are:

• TLcdOGCFilterEvaluator: this class is responsible for evaluating an OGC filter.
• ILcdEvaluatorFunction: this interface allows to extend the standard OGC filter functionality with custom filter functions.

The following code snippet illustrates how to evaluate a set of elements against a filter.

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