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Expose isFinished() on AgentSpan #11884

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Expose isFinished() on AgentSpan #11884

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3d3f731
Expose isFinished() on AgentSpan
pavlokhrebto Jul 8, 2026
abd6fab
Potential fix for pull request finding
pavlokhrebto Jul 8, 2026
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5 changes: 5 additions & 0 deletions ...rumentation-testing/src/main/groovy/datadog/trace/agent/test/TrackingSpanDecorator.groovy
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Original file line number Diff line number Diff line change
Expand Up @@ -414,4 +414,9 @@ class TrackingSpanDecorator implements AgentSpan {
boolean isOutbound() {
return delegate.isOutbound()
}

@Override
boolean isFinished() {
return delegate.isFinished()
}
}
10 changes: 10 additions & 0 deletions dd-trace-core/src/test/java/datadog/trace/core/DDSpanTest.java
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Expand Up @@ -26,6 +26,7 @@
import datadog.trace.api.datastreams.NoopPathwayContext;
import datadog.trace.api.gateway.RequestContextSlot;
import datadog.trace.api.sampling.PrioritySampling;
import datadog.trace.bootstrap.instrumentation.api.AgentSpan;
import datadog.trace.bootstrap.instrumentation.api.AgentSpanContext;
import datadog.trace.bootstrap.instrumentation.api.ErrorPriorities;
import datadog.trace.bootstrap.instrumentation.api.TagContext;
Expand Down Expand Up @@ -61,6 +62,15 @@ void setup() {
tracer = tracerBuilder().writer(writer).sampler(new RateByServiceTraceSampler()).build();
}

@Test
void isFinishedReflectsSpanCompletion() {
// Exercised via the AgentSpan interface to prove the new default resolves to DDSpan's override.
AgentSpan span = tracer.buildSpan("datadog", "finishTest").start();
assertFalse(span.isFinished(), "span must not report finished before finish()");
span.finish();
assertTrue(span.isFinished(), "span must report finished after finish()");
}

@Test
void gettersAndSetters() {
DDSpan span =
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8 changes: 8 additions & 0 deletions internal-api/src/main/java/datadog/trace/bootstrap/instrumentation/api/AgentSpan.java
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Expand Up @@ -213,6 +213,14 @@ default AgentSpan asAgentSpan() {
return this;
}

/**
* @return {@code true} once this span has finished (its duration is set). Implementations that do
* not track finish state always return {@code false}.
*/
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default boolean isFinished() {
return false;
}

default void copyPropagationAndBaggage(final AgentSpan source) {
// no op default
}
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