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/*
 *  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 *  Copyright (c) [2018-2023] Payara Foundation and/or its affiliates. All rights reserved.
 * 
 *  The contents of this file are subject to the terms of either the GNU
 *  General Public License Version 2 only ("GPL") or the Common Development
 *  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
 *  language governing permissions and limitations under the License.
 * 
 *  When distributing the software, include this License Header Notice in each
 *  file and include the License.
 * 
 *  When distributing the software, include this License Header Notice in each
 *  file and include the License file at glassfish/legal/LICENSE.txt.
 * 
 *  GPL Classpath Exception:
 *  The Payara Foundation designates this particular file as subject to the "Classpath"
 *  exception as provided by the Payara Foundation in the GPL Version 2 section of the License
 *  file that accompanied this code.
 * 
 *  Modifications:
 *  If applicable, add the following below the License Header, with the fields
 *  enclosed by brackets [] replaced by your own identifying information:
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 * 
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 *  only the GPL Version 2, indicate your decision by adding "[Contributor]
 *  elects to include this software in this distribution under the [CDDL or GPL
 *  Version 2] license."  If you don't indicate a single choice of license, a
 *  recipient has the option to distribute your version of this file under
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 *  its licensees as provided above.  However, if you add GPL Version 2 code
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 *  only if the new code is made subject to such option by the copyright
 *  holder.
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 * Copyright 2016-2018 The OpenTracing Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
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 */
package fish.payara.opentracing;

import io.opentracing.Scope;
import io.opentracing.Span;

/**
 * Manages OpenTracing Spans and Scopes
 *
 * @author jonathan coustick
 * @since 5.183
 * @see io.opentracing.ScopeManager
 */
@Deprecated
public class ScopeManager implements io.opentracing.ScopeManager {

    ThreadLocal activeScope = new ThreadLocal<>();

    @Override
    public Scope activate(Span span) {
        return new OpenTracingScope(this, span);
    }

    public OpenTracingScope activeScope() {
        return activeScope.get();
    }

    @Override
    public Span activeSpan() {
        OpenTracingScope scope = activeScope();
        if (scope != null) {
            return scope.span();
        }
        return null;
    }

}