Slang DSL

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This document describes SLANG DSL, which is used to define a process, using flows. This DSL is YAML based. All the files consist of the following main entities:

• Flow: A flow is the basic executable unit of SLANG. It represents a process that can perform a job relevant to the end user. For example, a flow that creates a virtual machine. A flow consists of tasks and the navigation between them. Flows have inputs, outputs and possible results.
• Task: One step in a flow. It can point to an operation or to other flows.
• Operation: A unit wrapped as an action. This handles its inputs, define relevant outputs, and returns a result.
• Action: A method, written programmatically. This can be a java method or a type of script.
• Result: The returned status of a flow or operation, for example: SUCCESS or FAILURE.

• Flow
• Inputs
• Outputs
• Results
• Operation
• Action
• Imports
• Namespace