public void revertSnapshot(SnapshotInfo snapshot, AsyncCompletionCallback<CommandResult> callback) {
}
@Override
public void resize(DataObject data, AsyncCompletionCallback<CreateCmdResult> callback) {
VolumeObject vol = (VolumeObject) data;
StoragePool pool = (StoragePool) data.getDataStore();
ResizeVolumePayload resizeParameter = (ResizeVolumePayload) vol.getpayload();
ResizeVolumeCommand resizeCmd =
new ResizeVolumeCommand(vol.getPath(), new StorageFilerTO(pool), vol.getSize(), resizeParameter.newSize, resizeParameter.shrinkOk,
resizeParameter.instanceName);
CreateCmdResult result = new CreateCmdResult(null, null);
try {
ResizeVolumeAnswer answer = (ResizeVolumeAnswer) storageMgr.sendToPool(pool, resizeParameter.hosts, resizeCmd);
if (answer != null && answer.getResult()) {
long finalSize = answer.getNewSize();
s_logger.debug("Resize: volume started at size " + vol.getSize() + " and ended at size " + finalSize);
vol.setSize(finalSize);
vol.update();
} else if (answer != null) {
result.setResult(answer.getDetails());
} else {
s_logger.debug("return a null answer, mark it as failed for unknown reason");
result.setResult("return a null answer, mark it as failed for unknown reason");