Package io.opentelemetry.instrumentation.api.servlet

Class ServerSpanNaming

java.lang.Object

io.opentelemetry.instrumentation.api.servlet.ServerSpanNaming

public final class ServerSpanNaming
extends Object

Helper container for tracking whether instrumentation should update server span name or not.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ServerSpanNaming.Source

Method Summary

Modifier and Type	Method	Description
static io.opentelemetry.context.Context	init(io.opentelemetry.context.Context context, ServerSpanNaming.Source initialSource)
static <T> void	updateServerSpanName(io.opentelemetry.context.Context context, ServerSpanNaming.Source source, ServerSpanNameSupplier<T> serverSpanName, T arg1)	If there is a server span in the context, and init(Context, Source) has been called to populate a ServerSpanName into the context, then this method will update the server span name using the provided ServerSpanNameSupplier if and only if the last ServerSpanNaming.Source to update the span name using this method has strictly lower priority than the provided ServerSpanNaming.Source, and the value returned from the ServerSpanNameSupplier is non-null.
static <T,U> void	updateServerSpanName(io.opentelemetry.context.Context context, ServerSpanNaming.Source source, ServerSpanNameTwoArgSupplier<T,U> serverSpanName, T arg1, U arg2)	If there is a server span in the context, and init(Context, Source) has been called to populate a ServerSpanName into the context, then this method will update the server span name using the provided ServerSpanNameTwoArgSupplier if and only if the last ServerSpanNaming.Source to update the span name using this method has strictly lower priority than the provided ServerSpanNaming.Source, and the value returned from the ServerSpanNameTwoArgSupplier is non-null.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

init

public static io.opentelemetry.context.Context init(io.opentelemetry.context.Context context,
                                                    ServerSpanNaming.Source initialSource)

updateServerSpanName

public static <T> void updateServerSpanName(io.opentelemetry.context.Context context,
                                            ServerSpanNaming.Source source,
                                            ServerSpanNameSupplier<T> serverSpanName,
                                            T arg1)

If there is a server span in the context, and init(Context, Source) has been called to populate a ServerSpanName into the context, then this method will update the server span name using the provided ServerSpanNameSupplier if and only if the last ServerSpanNaming.Source to update the span name using this method has strictly lower priority than the provided ServerSpanNaming.Source, and the value returned from the ServerSpanNameSupplier is non-null.

If there is a server span in the context, and init(Context, Source) has NOT been called to populate a ServerSpanName into the context, then this method will update the server span name using the provided ServerSpanNameSupplier if the value returned from it is non-null.

updateServerSpanName

public static <T,U> void updateServerSpanName(io.opentelemetry.context.Context context,
                                                    ServerSpanNaming.Source source,
                                                    ServerSpanNameTwoArgSupplier<T,U> serverSpanName,
                                                    T arg1,
                                                    U arg2)

If there is a server span in the context, and init(Context, Source) has been called to populate a ServerSpanName into the context, then this method will update the server span name using the provided ServerSpanNameTwoArgSupplier if and only if the last ServerSpanNaming.Source to update the span name using this method has strictly lower priority than the provided ServerSpanNaming.Source, and the value returned from the ServerSpanNameTwoArgSupplier is non-null.

If there is a server span in the context, and init(Context, Source) has NOT been called to populate a ServerSpanName into the context, then this method will update the server span name using the provided ServerSpanNameTwoArgSupplier if the value returned from it is non-null.