CorrelationVector-Swift provides the Swift implementation of the CorrelationVector protocol for tracing and correlation of events through a distributed system.
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Dmitrii Chichuk 8fa2b4886a Address feedback 2019-07-04 22:23:02 +03:00
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README.md

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.microsoft.com.

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This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

Legal Notices

Microsoft and any contributors grant you a license to the Microsoft documentation and other content in this repository under the Creative Commons Attribution 4.0 International Public License, see the LICENSE file, and grant you a license to any code in the repository under the MIT License, see the LICENSE-CODE file.

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Usage

For general info on correlation vector, refer to wiki page.

Init new vector

let correlationVector = CorrelationVector() // Implicit v1 creation
let correlationVectorV1 = CorrelationVector(.v1)
let correlationVectorV2 = CorrelationVector(.v2)
let parsedCorrelationVector = CorrelationVector.parse("vtul4NUsfs9Cl7mOf.1")

Create new vector via extending existing vector

let correlationVector = try CorrelationVector.extend("vtul4NUsfs9Cl7mOf.1") // "vtul4NUsfs9Cl7mOf.1.0"

Spin

NOTE-: Spin operator can only be used on v2 correlation vectors

let correlationVector = CorrelationVectorV2()
let params = SpinParameters(interval: SpinCounterInterval.fine, periodicity: SpinCounterPeriodicity.short, entropy: SpinEntropy.two)
let spinCorrelationVector = try CorrelationVectorV2.spin(correlationVector.value, params)

General methods

let correlationVector = try CorrelationVector.extend("vtul4NUsfs9Cl7mOf.1") // "vtul4NUsfs9Cl7mOf.1.0"
let vBase = correlationVector.base // "vtul4NUsfs9Cl7mOf"
let vExtension = correlationVector.extension // 0
let vIncrement = correlationVector.increment() // will return "vtul4NUsfs9Cl7mOf.1"