L0 = <http://www.simantics.org/Layer0-1.1>
L0X = <http://www.simantics.org/Layer0X-1.1>

SIMU = <http://www.simantics.org/Simulation-1.1> : L0.Ontology
    @L0.new
    L0.HasResourceClass "org.simantics.simulation.ontology.SimulationResource"

HIS = SIMU.History

SIMU.Model <T L0.IndexRoot
    @L0.singleProperty SIMU.HasConfiguration
    @L0.singleProperty L0X.HasBaseRealization
    @L0.property SIMU.HasState
    @L0.property L0.ConsistsOf
SIMU.State <T L0.Entity
    @L0.optionalProperty SIMU.State.History
SIMU.HasConfiguration <R L0.DependsOn
    L0.InverseOf SIMU.IsConfigurationOf
SIMU.HasState <R L0.DependsOn
    L0.HasRange SIMU.State
SIMU.HasInitialState <R L0.DependsOn
SIMU.Experiment <T L0.Entity
    @L0.optionalProperty SIMU.HasInitialState 

SIMU.RunType <T L0.Entity

SIMU.Run <T L0X.Realization <T L0.RVIContext : SIMU.RunType
    >-- SIMU.Run.iExperiment ==> "IExperiment" <R L0.HasProperty : L0.FunctionalRelation

SIMU.State.History <R L0.IsRelatedTo : L0.FunctionalRelation
    L0.InverseOf SIMU.State.History.Inverse <R L0.IsRelatedTo : L0.FunctionalRelation
    L0.HasRange HIS.History

SIMU.IsActive <R L0.IsRelatedTo : L0.Tag
    @L0.symmetric

SIMU.HasActiveExperiment <R L0.HasProperty

SIMU.HasActivationTime <R L0.HasProperty
    L0.HasDescription "Experiment activation time in milliseconds since the Unix time epoch 1.1.1970 0:00:00."
    L0.HasRange L0.Long


// Not necessarily the right place
SIMU.HasDevsComponent <R L0.IsRelatedTo
    L0.HasDescription "Adapter relation for configurations."

// Indicates the state of the experiment.
SIMU.HasExperimentState <R L0.IsRelatedTo
    L0.HasLabel "Simulation State"
    L0.HasRange SIMU.ExperimentState

SIMU.ExperimentState <T L0.Property
    @L0.tag L0.Enumeration

SIMU.ExperimentState.Initializing : SIMU.ExperimentState
SIMU.ExperimentState.Running : SIMU.ExperimentState
SIMU.ExperimentState.Stopped : SIMU.ExperimentState
SIMU.ExperimentState.Disposed : SIMU.ExperimentState

SIMU.ActiveExperiment : L0.Function
    L0.HasDescription "ReadGraph -> Resource -> Resource"