Laminar

This module provides a set of operations for running set of IO actions with dependencies asynchronously. The basic type is Task which represents an IO action with a name and dependency list. functions buildGraph and runGraph used to build and run TaskGraph simultanouesly.

Documentation

data Task

Container for all the details required for a Task

Constructors

Task

Fields

• taskName :: Text

  Text to uniquely identify a Task

• taskDeps :: [Text]

  List of dependent Task names

• taskAction :: IO ()

  IO Action that will be executed

data TaskGraph

Container for the dependency graph and task list

Constructors

TaskGraph

Fields

• graph :: Map Text [Text]

  Dependency Map of every task to it's dependency list

• tasks :: [Task]

  List of tasks

buildGraph :: [Task] -> TaskGraph

Create a TaskGraph from a list of Task

runGraph :: TaskGraph -> IO ()

Execute a TaskGraph. Any Exceptions thrown by the tasks will be rethrown.