How to use

getTO

method

in

org.apache.cloudstack.engine.subsystem.api.storage.SnapshotInfo

@Override
public void takeSnapshot(SnapshotInfo snapshot, AsyncCompletionCallback<CreateCmdResult> callback) {
  CreateCmdResult result = null;
  try {
    s_logger.info("taking elastistor volume snapshot");
    SnapshotObjectTO snapshotTO = (SnapshotObjectTO)snapshot.getTO();
    String volumeid = snapshotTO.getVolume().getUuid();
    String snapshotname = snapshotTO.getName();
    Answer answer = ElastistorUtil.createElastistorVolumeSnapshot(volumeid, snapshotname);
    if(answer.getResult() == false){
      s_logger.info("elastistor volume snapshot failed");
      throw new CloudRuntimeException("elastistor volume snapshot failed");
    }else{
      s_logger.info("elastistor volume snapshot succesfull");
      snapshotTO.setPath(answer.getDetails());
      CreateObjectAnswer createObjectAnswer = new CreateObjectAnswer(snapshotTO);
      result = new CreateCmdResult(null, createObjectAnswer);
      result.setResult(null);
    }
  }
   catch (Throwable e) {
    s_logger.debug("Failed to take snapshot: " + e.getMessage());
    result = new CreateCmdResult(null, null);
    result.setResult(e.toString());
  }
  callback.complete(result);
}

@Override
public void revertSnapshot(SnapshotInfo snapshot, SnapshotInfo snapshotOnPrimaryStore, AsyncCompletionCallback<CommandResult> callback) {
  SnapshotObjectTO snapshotTO = (SnapshotObjectTO)snapshot.getTO();
  RevertSnapshotCommand cmd = new RevertSnapshotCommand(snapshotTO);
  CommandResult result = new CommandResult();
  try {
    EndPoint ep = epSelector.select(snapshotOnPrimaryStore);
    if ( ep == null ){
      String errMsg = "No remote endpoint to send RevertSnapshotCommand, check if host or ssvm is down?";
      s_logger.error(errMsg);
      result.setResult(errMsg);
    } else {
      Answer answer = ep.sendMessage(cmd);
      if (answer != null && !answer.getResult()) {
        result.setResult(answer.getDetails());
      }
    }
  } catch (Exception ex) {
    s_logger.debug("Unable to revert snapshot " + snapshot.getId(), ex);
    result.setResult(ex.toString());
  }
  callback.complete(result);
}

CreateCmdResult result = null;
try {
  SnapshotObjectTO snapshotTO = (SnapshotObjectTO) snapshot.getTO();
  Object payload = snapshot.getPayload();
  if (payload != null && payload instanceof CreateSnapshotPayload) {

CopyCommand copyCommand = new CopyCommand(snapshotInfo.getTO(), destOnStore.getTO(), primaryStorageDownloadWait,
    VirtualMachineManager.ExecuteInSequence.value());

int primaryStorageDownloadWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.PrimaryStorageDownloadWait.getDefaultValue()));
CopyCommand copyCommand = new CopyCommand(snapshotInfo.getTO(), volumeInfo.getTO(), primaryStorageDownloadWait,
    VirtualMachineManager.ExecuteInSequence.value());

SnapshotObjectTO snapshotObjectTo = (SnapshotObjectTO)snapshotInfo.getTO();