| 1 | /**
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| 2 | * Copyright 2018, OpenCensus Authors
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | import { Span } from './span';
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| 17 | import * as types from './types';
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| 18 | /** Defines a root span */
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| 19 | export declare class RootSpan extends Span {
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| 20 | /** Its trace ID. */
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| 21 | private traceIdLocal;
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| 22 | /** Its trace state. */
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| 23 | private traceStateLocal?;
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| 24 | /**
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| 25 | * This span's parent Id. This is a string and not a Span because the
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| 26 | * parent was likely started on another machine.
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| 27 | */
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| 28 | private parentSpanIdLocal;
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| 29 | /** A tracer object */
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| 30 | readonly tracer: types.TracerBase;
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| 31 | /**
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| 32 | * Constructs a new RootSpanImpl instance.
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| 33 | * @param tracer A tracer object.
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| 34 | * @param name The displayed name for the new span.
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| 35 | * @param kind The kind of new span.
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| 36 | * @param traceId The trace Id.
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| 37 | * @param parentSpanId The id of the parent span, or empty if the new span is
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| 38 | * a root span.
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| 39 | * @param traceState An optional traceState.
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| 40 | */
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| 41 | constructor(tracer: types.TracerBase, name: string, kind: types.SpanKind, traceId: string, parentSpanId: string, traceState?: types.TraceState);
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| 42 | /** Returns whether a span is root or not. */
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| 43 | isRootSpan(): boolean;
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| 44 | /** Gets trace id from rootspan instance. */
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| 45 | get traceId(): string;
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| 46 | /** Gets trace state from rootspan instance */
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| 47 | get traceState(): types.TraceState | undefined;
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| 48 | get parentSpanId(): string;
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| 49 | }
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