Package org.deegree.filter

Interface Summary

Expression	An Expression describes a rule to obtain a value that may be derived from the properties of an object.
Filter	A Filter is a boolean expression (often containing spatial predicates) that can be tested against objects, such as Features.
Operator	Operator instances are predicates and the building blocks of OperatorFilters.
XPathEvaluator<T>	Implementations enable the evaluation of XPath expressions (given as ValueReferences) on a specific class of objects, e.g.

Class Summary

Filters	Various static methods for performing standard tasks on Filter objects.
IdFilter	Filter that matches resources by ResourceIds.
OperatorFilter	Filter that selects objects that test positively against Operator-based expressions.
ResourceId	Identifies a resource within an IdFilter.

Enum Summary

Expression.Type	Convenience enum type for discriminating the different expression types.
Filter.Type	Convenience enum type for discriminating the different filter types.
MatchAction	Specifies how a predicate shall be evaluated for a collection of values.
Operator.Type	Convenience enum type for discriminating the different operator types.

Exception Summary

FilterEvaluationException

Indicates that the evaluation of a Filter expression failed.