fish.payara.microprofile.opentracing.jaxrs.client.AsyncContextPropagator Maven / Gradle / Ivy

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package fish.payara.microprofile.opentracing.jaxrs.client;

import fish.payara.requesttracing.jaxrs.client.SpanPropagator;

import io.opentracing.SpanContext;

import org.eclipse.microprofile.rest.client.ext.AsyncInvocationInterceptor;
import org.eclipse.microprofile.rest.client.ext.AsyncInvocationInterceptorFactory;

public class AsyncContextPropagator implements AsyncInvocationInterceptor {
    private SpanContext context;
    private SpanContext previous;


    @Override
    public void prepareContext() {
        // move thread context into propagator
        this.context = SpanPropagator.activeContext();
    }

    @Override
    public void applyContext() {
        this.previous = SpanPropagator.propagateContext(this.context);
    }

    @Override
    public void removeContext() {
        SpanPropagator.propagateContext(this.previous);
    }

    static class Factory implements AsyncInvocationInterceptorFactory {

        @Override
        public AsyncInvocationInterceptor newInterceptor() {
            return new AsyncContextPropagator();
        }
    }
}