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/**
* Copyright 2018, OpenCensus 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 the License.
*/
import * as configTypes from '../trace/config/types';
import * as modelTypes from '../trace/model/types';
import * as types from './types';
/** Controls the sending of traces to exporters. */
export declare class ExporterBuffer {
/** The service to send the collected spans. */
private exporter;
/** Maximum size of a buffer. */
private bufferSize;
/** Max time for a buffer can wait before being sent */
private bufferTimeout;
/** Manage when the buffer timeout needs to be reseted */
private resetTimeout;
/** Indicates when the buffer timeout is running */
private bufferTimeoutInProgress;
/** An object to log information to */
private logger;
/** Trace queue of a buffer */
private queue;
/**
* Constructs a new Buffer instance.
* @param exporter The service to send the collected spans.
* @param config A buffer configuration object to create a buffer.
*/
constructor(exporter: types.Exporter, config: configTypes.BufferConfig);
/**
* Set the buffer size value.
* @param bufferSize The new buffer size.
*/
setBufferSize(bufferSize: number): this;
getBufferSize(): number;
getQueue(): modelTypes.RootSpan[];
/**
* Add a rootSpan in the buffer.
* @param root RootSpan to be added in the buffer.
*/
addToBuffer(root: modelTypes.RootSpan): this;
/** Reset the buffer timeout */
private resetBufferTimeout;
/** Start the buffer timeout, when finished calls flush method */
private setBufferTimeout;
/** Send the trace queue to all exporters */
private flush;
}