Package org.deegree.filter

Interface Summary

Expression	An Expression describes a rule to obtain a value that may be derived from the properties of a MatchableObject.
Filter	A Filter is a boolean expression (often containing spatial predicates) that can be tested against MatchableObjects.
MatchableObject	Interface for objects that can be filtered, i.e.
Operator	Operator instances are predicates and the building blocks of OperatorFilters.

Class Summary

Filters	Various static methods for performing standard tasks on Filter objects.
IdFilter	Filter that matches objects with certain ids.
OperatorFilter	Filter that matches objects which test positively against an expression built from operators.

Enum Summary

Expression.Type	Convenience enum type for discriminating the different expression types.
Filter.Type	Convenience enum type for discriminating the different filter types.
Operator.Type	Convenience enum type for discriminating the different operator types.

Exception Summary

FilterEvaluationException

Indicates that the evaluation of a Filter expression failed.