The FilterFactory
interface includes operations which
support the creation of filter objects and mapping filter objects.
Filter create_filter(in string constraint_grammar) raises(InvalidGrammar);
Creates a new filter object.
constraint_grammar
- The constraint grammar to be
used for constraint expressions.
InvalidGrammar
exception is raised.
MappingFilter create_mapping_filter(in string constraint_grammar, in any default_value) raises(InvalidGrammar);
Creates a new mapping filter object.
constraint_grammar
- The constraint grammar to be
used for constraint expressions.
default_value
- The default value returned by a match
operation on the target mapping filter.
InvalidGrammar
exception is raised.
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