An evidence key filter is added to a flowElement It tells the pipeline which evidence it is interested in This can be used to determine whether a request can be cached Or to filter out evidence not needed by any element in a pipeline This base class is always extended for a specific filter type.
| EvidenceKeyFilter::filterEvidence |
( |
| evidenceKeyObject | ) |
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inline |
Filter an evidence object.
- Parameters
-
| {object} | evidenceKeyObject key value object of evidence |
- Returns
- {object} filtered evidence object
| EvidenceKeyFilter::filterEvidenceKey |
( |
| key | ) |
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inline |
Internal filterEvidenceKey function overriden by specific filters to keep or filter out a piece of evidence.
- Parameters
-
| {string} | key the evidence key to check |
- Returns
- {boolean} whether the key should stay or not
