fish.payara.notification.requesttracing.RequestTraceSpanContext Maven / Gradle / Ivy

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/*
 *  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 *  Copyright (c) [2018-2020] 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.
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 *  file and include the License.
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 *  file and include the License file at glassfish/legal/LICENSE.txt.
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 *  GPL Classpath Exception:
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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.notification.requesttracing;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

/**
 *Span state that is copied across boundaries and stores a reference to the parent trace
 * 
 * @author andrew pielage
 * @author jonathan coustick
 * @since 5.183
 */
public class RequestTraceSpanContext implements Serializable, io.opentracing.SpanContext {

    private static final long serialVersionUID = 20180803L;

    private final UUID spanId;
    private UUID traceId;
    private final Map baggageItems;

    protected RequestTraceSpanContext() {
        spanId = UUID.randomUUID();
        traceId = UUID.randomUUID();
        baggageItems = new HashMap<>();
    }

    protected RequestTraceSpanContext(UUID traceId) {
        spanId = UUID.randomUUID();
        this.traceId = traceId;
        baggageItems = new HashMap<>();
    }

    public RequestTraceSpanContext(UUID traceId, UUID parentId) {
        spanId = parentId;
        this.traceId = traceId;
        baggageItems = new HashMap<>();
    }

    public RequestTraceSpanContext(UUID traceId, UUID parentId, Map baggageItems) {
        spanId = parentId;
        this.traceId = traceId;
        this.baggageItems = new HashMap<>(baggageItems);
    }

    public UUID getSpanId() {
        return spanId;
    }

    public UUID getTraceId() {
        return traceId;
    }

    public void setTraceId(UUID traceId) {
        this.traceId = traceId;
    }

    @Override
    public String toTraceId() {
        return traceId.toString();
    }

    @Override
    public String toSpanId() {
        return spanId.toString();
    }

    public void addBaggageItem(String name, String value) {
        if (value != null) {
            // Escape any quotes
            baggageItems.put(name, value.replaceAll("\"", "\\\""));
        } else {
            baggageItems.put(name, value);
        }
    }

    public Map getBaggageItems() {
        return baggageItems;
    }

    @Override
    public Iterable> baggageItems() {
        return getBaggageItems().entrySet();
    }

}