for (int i = 0; i < privs.size(); i++) {
PrivilegeGrantInfo priv = privs.get(i);
if (priv == null) {
continue;
}
MTablePrivilege mTblSec = new MTablePrivilege(
principalName, type.toString(), mtbl, priv.getPrivilege(),
now, priv.getGrantor(), priv.getGrantorType().toString(), priv
.isGrantOption());
toPersistPrivObjs.add(mTblSec);
}