public int compare(HostData o1, HostData o2) {
double compare =
o1.getHostDescription().getPowerEfficiency()
- o2.getHostDescription().getPowerEfficiency();
if (compare < 0) return -1;
else if (compare > 0) return 1;
return 0;
}
public int compare(HostData o1, HostData o2) {
double compare =
o1.getHostDescription().getResourceCapacity().getBandwidth()
- o2.getHostDescription().getResourceCapacity().getBandwidth();
if (compare < 0) return -1;
else if (compare > 0) return 1;
return 0;
}
public int compare(HostData o1, HostData o2) {
double compare =
(o1.getCurrentStatus().getResourcesInUse().getCpu()
/ o1.getHostDescription().getResourceCapacity().getCpu())
- (o2.getCurrentStatus().getResourcesInUse().getCpu()
/ o2.getHostDescription().getResourceCapacity().getCpu());
if (compare < 0) return -1;
else if (compare > 0) return 1;
return 0;
}
public double calculate(HostData host) {
ArrayList<VmAllocation> vms =
new ArrayList<VmAllocation>(host.getHost().getVMAllocations());
vms.add(host.getHost().getPrivDomainAllocation());
int cpu = 0;
int mem = 0;
double bw = 0;
for (VmAllocation vm : vms) {
// If the VMAllocation has an associated VM, record its resource allocation.
if (vm.getVm() != null) cpu += vm.getCpu();
mem += vm.getMemory();
bw += vm.getBandwidth();
}
Resources res = host.getHostDescription().getResourceCapacity();
return (cpu * mem * bw) / (res.getCpu() * res.getMemory() * res.getBandwidth());
}
public int compare(HostData o1, HostData o2) {
return o1.getHostDescription().getResourceCapacity().getMemory()
- o2.getHostDescription().getResourceCapacity().getMemory();
}
public int compare(HostData o1, HostData o2) {
return o1.getHostDescription().getCoreCapacity() - o2.getHostDescription().getCoreCapacity();
}
public int compare(HostData o1, HostData o2) {
return o1.getHostDescription().getCpuCount() * o1.getHostDescription().getCoreCount()
- o2.getHostDescription().getCpuCount() * o2.getHostDescription().getCoreCount();
}