engine

type Build interface {
	Metadata() string

	PublicPlan(lager.Logger) (atc.PublicBuildPlan, bool, error)

	Abort(lager.Logger) error
	Resume(lager.Logger)
}

type BuildDB interface {
	GetBuild(int) (db.Build, bool, error)
	StartBuild(int, string, string) (bool, error)

	AbortBuild(int) error
	AbortNotifier(int) (db.Notifier, error)

	LeaseBuildTracking(buildID int, interval time.Duration) (db.Lease, bool, error)

	FinishBuild(int, db.Status) error
}

type BuildDelegate interface {
	InputDelegate(lager.Logger, atc.GetPlan, event.OriginID) exec.GetDelegate
	ExecutionDelegate(lager.Logger, atc.TaskPlan, event.OriginID) exec.TaskDelegate
	OutputDelegate(lager.Logger, atc.PutPlan, event.OriginID) exec.PutDelegate

	Finish(lager.Logger, error, exec.Success, bool)
}

type BuildDelegateFactory interface {
	Delegate(buildID int) BuildDelegate
}

type Engine interface {
	Name() string

	CreateBuild(lager.Logger, db.Build, atc.Plan) (Build, error)
	LookupBuild(lager.Logger, db.Build) (Build, error)
}

type EngineDB interface {
	SaveBuildEvent(buildID int, event atc.Event) error

	FinishBuild(buildID int, status db.Status) error

	SaveBuildEngineMetadata(buildID int, metadata string) error

	SaveBuildInput(teamName string, buildID int, input db.BuildInput) (db.SavedVersionedResource, error)
	SaveBuildOutput(teamName string, buildID int, vr db.VersionedResource, explicit bool) (db.SavedVersionedResource, error)

	SaveImageResourceVersion(buildID int, planID atc.PlanID, identifier db.VolumeIdentifier) error
}

type Engines []Engine

type StepMetadata struct {
	BuildID int

	PipelineName string
	JobName      string
	BuildName    string
	ExternalURL  string
}

type UnknownEngineError struct {
	Engine string
}