public Outcome<VirtualMachine> migrateVmWithStorageThroughJobQueue(
final String vmUuid, final long srcHostId, final long destHostId,
final Map<Volume, StoragePool> volumeToPool) {
final CallContext context = CallContext.current();
final User user = context.getCallingUser();
final Account account = context.getCallingAccount();
final VMInstanceVO vm = _vmDao.findByUuid(vmUuid);
Object[] result = Transaction.execute(new TransactionCallback<Object[]>() {
@Override
public Object[] doInTransaction(TransactionStatus status) {
_vmDao.lockRow(vm.getId(), true);
List<VmWorkJobVO> pendingWorkJobs = _workJobDao.listPendingWorkJobs(
VirtualMachine.Type.Instance, vm.getId(),
VmWorkMigrateWithStorage.class.getName());
VmWorkJobVO workJob = null;
if (pendingWorkJobs != null && pendingWorkJobs.size() > 0) {
assert (pendingWorkJobs.size() == 1);
workJob = pendingWorkJobs.get(0);
} else {
workJob = new VmWorkJobVO(context.getContextId());
workJob.setDispatcher(VmWorkConstants.VM_WORK_JOB_DISPATCHER);
workJob.setCmd(VmWorkMigrate.class.getName());
workJob.setAccountId(account.getId());
workJob.setUserId(user.getId());
workJob.setVmType(VirtualMachine.Type.Instance);
workJob.setVmInstanceId(vm.getId());
workJob.setRelated(AsyncJobExecutionContext.getOriginJobContextId());
// save work context info (there are some duplications)
VmWorkMigrateWithStorage workInfo = new VmWorkMigrateWithStorage(user.getId(), account.getId(), vm.getId(),
VirtualMachineManagerImpl.VM_WORK_JOB_HANDLER, srcHostId, destHostId, volumeToPool);
workJob.setCmdInfo(VmWorkSerializer.serialize(workInfo));
_jobMgr.submitAsyncJob(workJob, VmWorkConstants.VM_WORK_QUEUE, vm.getId());
}