How to use

removePrivileges

method

in

org.apache.sentry.provider.db.service.model.MSentryRole

/**
 * Removes all the privileges associated with
 * a particular role. After this dis-association if the
 * privilege doesn't have any roles associated it will be
 * removed from the underlying persistence layer.
 * @param pm Instance of PersistenceManager
 * @param sentryRole Role for which all the privileges are to be removed.
 */
private void removePrivileges(PersistenceManager pm, MSentryRole sentryRole) {
 List<MSentryPrivilege> privilegesCopy = new ArrayList<>(sentryRole.getPrivileges());
 List<MSentryGMPrivilege> gmPrivilegesCopy = new ArrayList<>(sentryRole.getGmPrivileges());
 sentryRole.removePrivileges();
 // with SENTRY-398 generic model
 sentryRole.removeGMPrivileges();
 removeStaledPrivileges(pm, privilegesCopy);
 removeStaledGMPrivileges(pm, gmPrivilegesCopy);
}

private void dropSentryRoleCore(PersistenceManager pm, String roleName)
  throws SentryNoSuchObjectException {
 String lRoleName = roleName.trim().toLowerCase();
 Query query = pm.newQuery(MSentryRole.class);
 query.setFilter("this.roleName == t");
 query.declareParameters("java.lang.String t");
 query.setUnique(true);
 MSentryRole sentryRole = (MSentryRole) query.execute(lRoleName);
 if (sentryRole == null) {
  throw new SentryNoSuchObjectException("Role: " + lRoleName + " doesn't exist");
 } else {
  pm.retrieve(sentryRole);
  int numPrivs = sentryRole.getPrivileges().size();
  sentryRole.removePrivileges();
  // with SENTRY-398 generic model
  sentryRole.removeGMPrivileges();
  privCleaner.incPrivRemoval(numPrivs);
  pm.deletePersistent(sentryRole);
 }
}

pm.retrieve(sentryRole);
sentryRole.removeGMPrivileges();
sentryRole.removePrivileges();
pm.deletePersistent(sentryRole);

role.removePrivileges();
role.removeGMPrivileges();
pm.deletePersistent(role);

role1.removePrivileges();
role1.removeGMPrivileges();
pm.deletePersistent(role1);

role = getMSentryRole(pm, roleName);
role.removeGMPrivileges();
role.removePrivileges();
pm.makePersistent(role);
commitTransaction(pm);

role = getMSentryRole(pm, roleName);
role.removeGMPrivileges();
role.removePrivileges();
pm.makePersistent(role);
commitTransaction(pm);