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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 *    Copyright (c) [2023] Payara Foundation and/or its affiliates. All rights reserved.
 *
 *     The contents of this file are subject to the terms of either the GNU
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 *     and Distribution License("CDDL") (collectively, the "License").  You
 *     may not use this file except in compliance with the License.  You can
 *     obtain a copy of the License at
 *     https://github.com/payara/Payara/blob/master/LICENSE.txt
 *     See the License for the specific
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 *
 *     When distributing the software, include this License Header Notice in each
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 *
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 *     exception as provided by the Payara Foundation in the GPL Version 2 section of the License
 *     file that accompanied this code.
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 */
package fish.payara.microprofile.telemetry.tracing.jaxrs.client;

import fish.payara.nucleus.requesttracing.domain.PropagationHeaders;
import io.opentelemetry.context.Context;
import jakarta.ws.rs.client.ClientRequestContext;
import org.glassfish.jersey.client.spi.PreInvocationInterceptor;

/**
 * This class is an implementation of the PreInvocationInterceptor interface that propagates telemetry span context
 * to client request context before invocation.This is the key to enable async client request
 */
public class OpenTelemetryPreInvocationInterceptor implements PreInvocationInterceptor {
    @Override
    public void beforeRequest(ClientRequestContext clientRequestContext) {
        clientRequestContext.setProperty(PropagationHeaders.TELEMETRY_PROPAGATED_SPANCONTEXT, Context.current());
    }
}