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microsoft/CorrelationVector-Swift 1.0.0
CorrelationVector-Swift provides the Swift implementation of the CorrelationVector protocol for tracing and correlation of events through a distributed system.
⭐️ 3
🕓 1 week ago
.package(url: "https://github.com/microsoft/CorrelationVector-Swift.git", from: "1.0.0")

Carthage compatible


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.

Microsoft, Windows, Microsoft Azure and/or other Microsoft products and services referenced in the documentation may be either trademarks or registered trademarks of Microsoft in the United States and/or other countries. The licenses for this project do not grant you rights to use any Microsoft names, logos, or trademarks. Microsoft's general trademark guidelines can be found at http://go.microsoft.com/fwlink/?LinkID=254653.

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Swift Package Manager

  1. Run swift package init if it hasn't been initialized
  2. Add the following dependency to the Package section in Package.swift:
dependencies: [
    .package(url: "https://github.com/microsoft/CorrelationVector-Swift.git", from: "1.0.0")
  1. Add dependency to the Package > targets > target > dependencies section
    name: "YourApp",
    dependencies: ["CorrelationVector"])
  1. Run swift build to download, link and compile dependencies


  1. Run pod init if it hasn't been initialized
  2. Add the following line to the corresponding target section in the Podfile:
pod 'CorrelationVector'
  1. Run pod install

Learn more about using CocoaPods in the official guide.


  1. Run touch Cartfile if Cartfile hasn't been created
  2. Add the following line in Cartfile:
github "microsoft/CorrelationVector-Swift"
  1. Run carthage update --platform iOS and follow the additional steps in order to add the framework to your project.


For general info on correlation vector, refer to specification.

Initialize new vector

// Implicit creation
let correlationVector = CorrelationVector()

// Explicit creation
let correlationVectorV1 = CorrelationVector(.v1)
let correlationVectorV2 = CorrelationVector(.v2)

// Automatic version detection
let parsedCorrelationVector = CorrelationVector.parse("vtul4NUsfs9Cl7mOf.1")

Create new vector by extending an existing value

// Initialize "vtul4NUsfs9Cl7mOf.1.0" correlation vector by extending an existing value
do {
    let correlationVector = try CorrelationVector.extend("vtul4NUsfs9Cl7mOf.1")
} catch CorrelationVectorError.invalidArgument(let description) {
    // log the error
} catch CorrelationVectorError.invalidOperation(let description) {
    // log the error
} catch {
    // log the error


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

let correlationVector = CorrelationVector(.v2)
let params = SpinParameters(interval: .fine, periodicity: .short, entropy: .two)
do {
    let spinCorrelationVector = try CorrelationVector.spin(correlationVector.value, params)
} catch {
    // log the error

General methods

do {
    // Initialize "vtul4NUsfs9Cl7mOf.1.0" correlation vector by extending an existing value
    let correlationVector = try CorrelationVector.extend("vtul4NUsfs9Cl7mOf.1")
} catch {
    // log the error

// Get base of cv ("vtul4NUsfs9Cl7mOf")
let base = correlationVector.base

// Get extension of cv (0)
let ext = correlationVector.extension

// Increment existing vector and return result ("vtul4NUsfs9Cl7mOf.1.1")
let newValue = correlationVector.increment()


Stars: 3
Last commit: 1 week ago
jonrohan Something's broken? Yell at me @ptrpavlik. Praise and feedback (and money) is also welcome.

Release Notes

Initial release
3 years ago

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API | Analytics