FormulaProvider class

Serves formula:<id> resources out of the node's existing FormulaRegistry.

The bridge that makes blueprints work on day one: every formula a node already has — and every preset ever saved, once read through Ensure.fromAction — becomes a resource with nothing rewritten.

It is also the smallest provider there could be, because the formula engine already had both halves. Formula.status() is a read that does not change anything and reports absent / installed / running / stopped / unknown; Formula.run(action) is a write. All this does is decide which action a declared state calls for, and say plainly when there is none.

Implemented types

• ResourceProvider

Constructors

FormulaProvider({required FormulaRegistry registry})

Creates a formula provider over registry.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

registry → FormulaRegistry

The formulas this node can run.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

supportedEnsure → Set<Ensure>

The Ensure values this type can meaningfully be asked for.

no setter, override

type → String

The resource type this provider owns — the formula in formula:docker.

no setter, override

Methods

apply(ResolvedResource resource, ResourceState current, FormulaContext context) → Future<ResourceChange>

Moves the resource to its declared state.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

read(ResolvedResource resource, FormulaContext context) → Future<ResourceState>

Looks at the node and reports what is there.

override

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited