Package 

Class SpanDataModifier

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public final class SpanDataModifier

    A utility that can be used to create a SpanExporter that allows filtering and modification of span data before it is sent to Allows modification of span data before it is sent to a delegate exporter. Spans can be rejected entirely based on their name or attribute content, or their attributes may be modified.

    • Method Detail

      • rejectSpansByName

         SpanDataModifier rejectSpansByName(Predicate<String> spanNamePredicate)

        Remove matching spans from the exporter pipeline.

        Spans with names that match the {@code spanNamePredicate} will not be exported.

        Parameters:
        spanNamePredicate - A function that returns true if a span with passed name should berejected.

      • rejectSpansByAttributeValue

         <T> SpanDataModifier rejectSpansByAttributeValue(AttributeKey<T> attributeKey, Predicate<out Object> attributeValuePredicate)

        Remove matching spans from the exporter pipeline.

        Any span that contains an attribute with key {@code attributeKey} and value matching the {@code attributeValuePredicate} will not be exported.

        Parameters:
        attributeKey - An attribute key to match.
        attributeValuePredicate - A function that returns true if a span containing an attributewith matching value should be rejected.

      • removeSpanAttribute

         <T> SpanDataModifier removeSpanAttribute(AttributeKey<T> attributeKey)

        Modify span data before it enters the exporter pipeline.

        Any attribute with key {@code attributeKey} and will be removed from the span before it isexported.

        Parameters:
        attributeKey - An attribute key to match.

      • removeSpanAttribute

         <T> SpanDataModifier removeSpanAttribute(AttributeKey<T> attributeKey, Predicate<out Object> attributeValuePredicate)

        Modify span data before it enters the exporter pipeline.

        Any attribute with key {@code attributeKey} and value matching the {@code * attributeValuePredicate} will be removed from the span before it is exported.

        Parameters:
        attributeKey - An attribute key to match.
        attributeValuePredicate - A function that returns true if an attribute with matchingvalue should be removed from the span.

      • replaceSpanAttribute

         <T> SpanDataModifier replaceSpanAttribute(AttributeKey<T> attributeKey, Function<out Object, out T> attributeValueModifier)

        Modify span data before it enters the exporter pipeline.

        The value of any attribute with key {@code attributeKey} will be passed to the {@code * attributeValueModifier} function. The value returned by the function will replace theoriginal value. When the modifier function returns {@code null} the attribute will be removedfrom the span.

        Parameters:
        attributeKey - An attribute key to match.
        attributeValueModifier - A function that receives the old attribute value and returnsthe new one.

      • build

         SpanExporter build()