new VMSnapshotTO(snapshot.getId(), snapshot.getName(), snapshot.getType(), snapshot.getCreated().getTime(), snapshot.getDescription(),
snapshot.getCurrent(), parent, true);
Long hostId = vmSnapshotHelper.pickRunningHost(vmSnapshot.getVmId());
GuestOSVO guestOS = guestOSDao.findById(userVm.getGuestOSId());
HostVO host = hostDao.findById(hostId);
GuestOSHypervisorVO guestOsMapping = guestOsHypervisorDao.findByOsIdAndHypervisor(guestOS.getId(), host.getHypervisorType().toString(), host.getHypervisorVersion());
RevertToVMSnapshotCommand revertToSnapshotCommand = new RevertToVMSnapshotCommand(vmInstanceName, vmSnapshotTO, volumeTOs, guestOS.getDisplayName());
if (guestOsMapping == null) {
revertToSnapshotCommand.setPlatformEmulator(null);
} else {
revertToSnapshotCommand.setPlatformEmulator(guestOsMapping.getGuestOsName());
}
RevertToVMSnapshotAnswer answer = (RevertToVMSnapshotAnswer)agentMgr.send(hostId, revertToSnapshotCommand);
if (answer != null && answer.getResult()) {
processAnswer(vmSnapshotVO, userVm, answer, hostId);