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package hu.bme.mit.inf.dslreasoner.faulttree.transformation.solver
import hu.bme.mit.inf.dslreasoner.faulttree.model.ft.ConstantModel
import hu.bme.mit.inf.dslreasoner.faulttree.model.ft.FaultTree
import hu.bme.mit.inf.dslreasoner.faulttree.model.ft.ReliabilityModel
import hu.bme.mit.inf.dslreasoner.faulttree.transformation.ft2galileo.Ft2GalileoTransformation
import hu.bme.mit.inf.dslreasoner.workspace.ReasonerWorkspace
class StormDftSolver {
static val DFT_FILE_NAME = "ft.dft"
val ft2Galileo = new Ft2GalileoTransformation
val handler = new StormDftHandler
def solve(ReliabilityModel reliabilityModel, StormDftConfiguration configuration,
ReasonerWorkspace reasonerWorkspace) {
switch (reliabilityModel) {
FaultTree:
solve(reliabilityModel, configuration, reasonerWorkspace)
ConstantModel: {
val result = if (reliabilityModel.failed) {
0
} else {
switch (objective : configuration.objective) {
case FtAnalysisObjective.MTTF: Double.POSITIVE_INFINITY
FtAnalysisObjective.TimeBound: 1
default: throw new IllegalArgumentException("Unknown objective: " + objective)
}
}
new ReliabilityResult.Solution(result)
}
default:
throw new IllegalArgumentException("Unknown reliability model: " + reliabilityModel)
}
}
def solve(FaultTree faultTree, StormDftConfiguration configuration, ReasonerWorkspace reasonerWorkspace) {
val galileo = ft2Galileo.toGalileo(faultTree)
reasonerWorkspace.writeText(DFT_FILE_NAME, galileo)
val dftFilePath = reasonerWorkspace.getFile(DFT_FILE_NAME).absolutePath
handler.callSolver(dftFilePath, configuration)
}
}
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