优化

2026-08-25 14:46:06 +08:00
parent 5abc7543ae
commit f325d57fc1
106 changed files with 3682 additions and 450 deletions
@@ -55,6 +55,14 @@ public record TraceParent(String traceId, String parentId, String traceFlags) {
        return new TraceParent(traceId, randomNonZero(8), "00");
    }

+    /** Creates a sampled outbound child for a trusted current trace ID. */
+    public static TraceParent outboundChild(String currentTraceId) {
+        if (!validLegacyTraceId(currentTraceId)) {
+            throw new IllegalArgumentException("Current trace ID is invalid");
+        }
+        return new TraceParent(currentTraceId.toLowerCase(java.util.Locale.ROOT), randomNonZero(8), "01");
+    }
+
    public static boolean validLegacyTraceId(String value) {
        return value != null && LEGACY_TRACE_ID.matcher(value).matches()
                && !ZERO_TRACE_ID.equalsIgnoreCase(value);