store

type ActualState interface {
	GetActualState() (*resolve.PolicyResolution, error)
	NewActualStateUpdater(*resolve.PolicyResolution) actual.StateUpdater
}

type Core interface {
	Policy
	Revision
	ActualState
}

type Generic interface {
	Open(config.DB) error
	Close() error

	Get(key string) (runtime.Storable, error)
	GetGen(key string, gen runtime.Generation) (runtime.Versioned, error)

	List(prefix string) ([]runtime.Storable, error)
	ListGenerations(key string) ([]runtime.Storable, error)

	// Save could create new object in db or create new generation for existing object
	// todo(slukjanov): think about improving saving objects
	Save(runtime.Storable) (updated bool, err error)
	// Update always updates existing object in db and not creating new generation even for versioned objects
	// todo(slukjanov): introduce "status" for objects and don't update version when only status changed
	Update(runtime.Storable) (updated bool, err error)

	Delete(key string) error
}

type Policy interface {
	GetPolicy(runtime.Generation) (*lang.Policy, runtime.Generation, error)
	GetPolicyData(runtime.Generation) (*engine.PolicyData, error)
	InitPolicy() error
	UpdatePolicy(updated []lang.Base, performedBy string) (changed bool, data *engine.PolicyData, err error)
	DeleteFromPolicy(deleted []lang.Base, performedBy string) (changed bool, data *engine.PolicyData, err error)
}

type Revision interface {
	NewRevision(policyGen runtime.Generation, desiredState *resolve.PolicyResolution, recalculateAll bool) (*engine.Revision, error)
	GetDesiredState(*engine.Revision) (*resolve.PolicyResolution, error)
	GetRevision(gen runtime.Generation) (*engine.Revision, error)
	UpdateRevision(revision *engine.Revision) error
	NewRevisionResultUpdater(revision *engine.Revision) action.ApplyResultUpdater
	GetFirstUnprocessedRevision() (*engine.Revision, error)
	GetLastRevisionForPolicy(policyGen runtime.Generation) (*engine.Revision, error)
	GetAllRevisionsForPolicy(policyGen runtime.Generation) ([]*engine.Revision, error)
}