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package hu.bme.mit.inf.dslreasoner.domains.cps.mdeo;
import hu.bme.mit.inf.dslreasoner.domains.cps.CyberPhysicalSystem;
import hu.bme.mit.inf.dslreasoner.domains.cps.HostInstance;
import hu.bme.mit.inf.dslreasoner.domains.cps.HostType;
import hu.bme.mit.inf.dslreasoner.domains.cps.mdeo.ResourceUtilizationUtil;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import uk.ac.kcl.inf.mdeoptimiser.libraries.core.optimisation.IGuidanceFunction;
import uk.ac.kcl.inf.mdeoptimiser.libraries.core.optimisation.interpreter.guidance.Solution;
@SuppressWarnings("all")
public class TooLowAverageMemoryConstraint implements IGuidanceFunction {
private static final double THRESHOLD = 0.25;
@Override
public String getName() {
return "TooLowAverageMemory";
}
@Override
public double computeFitness(final Solution solution) {
double _xblockexpression = (double) 0;
{
EObject _model = solution.getModel();
final CyberPhysicalSystem cps = ((CyberPhysicalSystem) _model);
double sumUtilization = 0;
int numHosts = 0;
EList<HostType> _hostTypes = cps.getHostTypes();
for (final HostType hostType : _hostTypes) {
{
int _numHosts = numHosts;
int _size = hostType.getInstances().size();
numHosts = (_numHosts + _size);
EList<HostInstance> _instances = hostType.getInstances();
for (final HostInstance host : _instances) {
{
final int utilization = ResourceUtilizationUtil.getMemoryUtilization(host);
double _sumUtilization = sumUtilization;
int _defaultMemory = hostType.getDefaultMemory();
double _divide = (((double) utilization) / _defaultMemory);
sumUtilization = (_sumUtilization + _divide);
}
}
}
}
final double averageUtilization = (sumUtilization / numHosts);
final double difference = (TooLowAverageMemoryConstraint.THRESHOLD - averageUtilization);
double _xifexpression = (double) 0;
if ((difference > 0)) {
_xifexpression = difference;
} else {
_xifexpression = 0;
}
_xblockexpression = _xifexpression;
}
return _xblockexpression;
}
}
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