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package hu.bme.mit.inf.dslreasoner.domains.cps.mdeo
import hu.bme.mit.inf.dslreasoner.domains.cps.CyberPhysicalSystem
import uk.ac.kcl.inf.mdeoptimiser.libraries.core.optimisation.IGuidanceFunction
import uk.ac.kcl.inf.mdeoptimiser.libraries.core.optimisation.interpreter.guidance.Solution
class TooLowAverageHddConstraint implements IGuidanceFunction {
static val THRESHOLD = 0.25
override getName() {
"TooLowAverageHdd"
}
override computeFitness(Solution solution) {
val cps = solution.model as CyberPhysicalSystem
var double sumUtilization
var int numHosts
for (hostType : cps.hostTypes) {
numHosts += hostType.instances.size
for (host : hostType.instances) {
val utilization = ResourceUtilizationUtil.getHddUtilization(host)
sumUtilization += (utilization as double) / hostType.defaultHdd
}
}
val averageUtilization = sumUtilization / numHosts
val difference = THRESHOLD - averageUtilization
if (difference > 0) {
difference
} else {
0
}
}
}
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