Title

Filter encoding

Identifier

SWIM-SERV-310

Requirement

If information service payload filtering is available, a service description shall include or refer to information about the filter encoding.

Rationale

This requirement ensures that the precise meaning of the filter expressions is understood.

Verification

Completeness: If filter expressions are applied, verify that the filter encoding is included.

Consistency: Not Applicable.

Correctness: Not Applicable.

Examples/Notes

Examples include indication of how to interpret and/or combine filters, including cases such as usage of wildcards, allowing and interpreting empty filters, combinations of filters in terms of logical expressions (e.g. implicit AND, implicit OR, explicit operator), etc.

Note: It is possible to refer to standards in this case such as the OGC Filter Encoding Standard [RD 14].

Level of Implementation

Mandatory (Conditional)