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/*
 *
 *  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
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 *
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 *  and Distribution License("CDDL") (collectively, the "License").  You
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 *  obtain a copy of the License at
 *  https://github.com/payara/Payara/blob/master/LICENSE.txt
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 *  exception as provided by the Payara Foundation in the GPL Version 2 section of the License
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package fish.payara.microprofile.telemetry.tracing;

import fish.payara.opentracing.OpenTracingService;
import io.opentracing.Tracer;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.enterprise.inject.Produces;
import org.glassfish.api.invocation.InvocationManager;
import org.glassfish.internal.api.Globals;

/**
 * Producer class for OpenTracing Tracers.
 * 
 * @author Andrew Pielage 
 */
@ApplicationScoped
public class OpenTracingTracerProducer {
    
    private OpenTracingService openTracing;
    
    /**
     * Constructor that initialises the OpenTracing HK2 service variable.
     */
    public OpenTracingTracerProducer() {
        openTracing = Globals.getDefaultBaseServiceLocator().getService(OpenTracingService.class);
    }
    
    /**
     * Gets a Tracer object for injection into the application.
     * 
     * @return An OpenTracing tracer
     */
    @Produces
    @ApplicationScoped
    public Tracer getTracer() {
        return openTracing.getTracer(openTracing.getApplicationName(
                Globals.getDefaultBaseServiceLocator().getService(InvocationManager.class)));
    }
}