package org.skywalking.apm.toolkit.trace;
/**
* Try to access the sky-walking tracer context.
* The context is not existed, always.
* only the middleware, component, or rpc-framework are supported in the current invoke stack, in the same thread,
* the context will be available.
* <p>
* Created by xin on 2016/12/15.
*/
public class TraceContext {
/**
* Try to get the traceId of current trace context.
*
* @return traceId, if it exists, or empty {@link String}.
*/
public static String traceId() {
return "";
}
}