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• 1.43.0
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• TraceInterceptor.java

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datadog.trace.api.interceptor.TraceInterceptor Maven / Gradle / Ivy

package datadog.trace.api.interceptor;

import java.util.Collection;

public interface TraceInterceptor {

  /**
   * After a trace is "complete" but before it is written, it is provided to the interceptors to
   * modify. The result following all interceptors is sampled then sent to the trace writer.
   *
   * @param trace - The collection of spans that represent a trace. Can be modified in place. Order
   *     of spans should not be relied upon.
   * @return A potentially modified or replaced collection of spans. Must not be null.
   */
  Collection onTraceComplete(Collection trace);

  /**
   * @return A unique priority for sorting relative to other TraceInterceptors. Unique because
   *     interceptors are stored in a sorted set, so duplicates will not be added.
   */
  int priority();
}