/**
* Creates instances of CloudSim's PowerDatacenter class from a list of datacenter registries.
*
* @param dcrList a list of datacenter registries.
* @return a map containing names of datacenters as keys and PowerDatacenter instances as values.
* @since 1.0
*/
static HashMap<String, PowerDatacenter> createDatacenters() {
List<DatacenterRegistry> dcrList = DatacenterRegistryBusiness.getListOfDatacenters();
HashMap<String, PowerDatacenter> map = new HashMap<String, PowerDatacenter>();
for (DatacenterRegistry dcr : dcrList) {
List<PowerHost> hostList = createHosts(dcr.getHostList());
if (hostList == null) {
return null;
}
DatacenterCharacteristics chars =
new DatacenterCharacteristics(
dcr.getArchitecture(),
dcr.getOs(),
dcr.getVmm(),
hostList,
dcr.getTimeZone(),
dcr.getCostPerSec(),
dcr.getCostPerMem(),
dcr.getCostPerStorage(),
dcr.getCostPerBw());
LinkedList<Storage> storageList = createStorageList(dcr.getSanList());
try {
Optional<VmAllocationPolicy> allocationPolicy =
VM_ALLOCATION_POLICY.getExtensionInstanceByName(
dcr.getAllocationPolicyAlias(), hostList, dcr);
if (!allocationPolicy.isPresent()) {
Dialog.showErrorMessage(
null,
format(
"Error on loading the allocation policy [%s]", dcr.getAllocationPolicyAlias()));
return null;
}
PowerDatacenter newDC =
new PowerDatacenter(
dcr.getName(),
chars,
allocationPolicy.get(),
storageList,
dcr.getSchedulingInterval(),
dcr.getMonitoringInterval());
newDC.setDisableMigrations(!dcr.isVmMigration());
map.put(dcr.getName(), newDC);
} catch (Exception ex) {
LOG.error("Error on creating data centers. Error message: [{}]", ex.getMessage(), ex);
}
}
return map;
}
/**
* Creates instances of CloudSim's SanStorage class from a list of SAN registers
*
* @param sanList a list of SAN registers.
* @return a list of SanStorage instances.
* @since 1.0
*/
static LinkedList<Storage> createStorageList(List<SanStorageRegistry> sanList) {
LinkedList<Storage> list = new LinkedList<Storage>();
for (SanStorageRegistry sr : sanList) {
try {
list.add(
new SanStorage(
sr.getName(), sr.getCapacity(), sr.getBandwidth(), sr.getNetworkLatency()));
} catch (ParameterException e) {
LOG.error("Error on crearing the SanStorage; Error message [{}]", e.getMessage(), e);
}
}
return list;
}
/**
* Creates instances of CloudSim's DatacenterBroker class from a list of customer registers.
*
* @param customerList a list of customer instances.
* @return a map containing names of customers as keys and DatacenterBroker instances as values.
* @since 1.0
*/
static HashMap<String, DatacenterBroker> createBrokers() {
List<CustomerRegistry> customerList = CustomerRegistryBusiness.getListOfCustomers();
HashMap<String, DatacenterBroker> map = new HashMap<String, DatacenterBroker>();
try {
for (CustomerRegistry cr : customerList) {
UtilizationProfile up = cr.getUtilizationProfile();
String name = cr.getName();
Optional<DatacenterBroker> broker =
DATACENTER_BROKER.getExtensionInstanceByName(up.getBrokerPolicyAlias(), name);
if (!broker.isPresent()) {
Dialog.showErrorMessage(
null, format("Error on loading datacenter broker [%s]", up.getBrokerPolicyAlias()));
return null;
}
int brokerId = broker.get().getId();
List<Vm> vmList = createVms(cr.getVmList(), brokerId);
if (vmList == null) {
return null;
}
broker.get().submitVmList(vmList);
List<Cloudlet> cloudletList =
createCloudlets(up, brokerId, new CustomerRegistryDAO().getNumOfVms(cr.getId()));
if (cloudletList == null) {
return null;
}
broker.get().submitCloudletList(cloudletList);
map.put(cr.getName(), broker.get());
}
} catch (IOException | ServiceDeniedException ex) {
LOG.error(ex.getMessage(), ex);
}
return map;
}