| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ranger.db; |
| |
| import com.google.gson.Gson; |
| import org.apache.commons.collections.MapUtils; |
| import org.apache.commons.lang.StringUtils; |
| import org.apache.log4j.Logger; |
| import org.apache.ranger.common.DateUtil; |
| import org.apache.ranger.common.db.BaseDao; |
| import org.apache.ranger.entity.XXGlobalState; |
| import org.springframework.stereotype.Service; |
| |
| import javax.persistence.NoResultException; |
| import java.util.Date; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| @Service |
| public class XXGlobalStateDao extends BaseDao<XXGlobalState> { |
| private static final Logger logger = Logger.getLogger(RangerDaoManager.class); |
| |
| final static String APP_DATA_ENTRY_ROLE_VERSION = "RangerRoleVersion"; |
| |
| public void onGlobalStateChange(String stateName) throws Exception { |
| |
| if (StringUtils.isBlank(stateName)) { |
| logger.error("Invalid name for state:[" + stateName +"]"); |
| throw new Exception("Invalid name for state:[" + stateName +"]"); |
| } else { |
| try { |
| XXGlobalState globalState = findByStateName(stateName); |
| if (globalState == null) { |
| globalState = new XXGlobalState(); |
| globalState.setStateName(stateName); |
| create(globalState); |
| } else { |
| Date date = DateUtil.getUTCDate(); |
| if (date == null) { |
| date = new Date(); |
| } |
| globalState.setAppData(date.toString()); |
| |
| update(globalState); |
| } |
| } catch (Exception exception) { |
| logger.error("Cannot create/update GlobalState for state:[" + stateName + "]", exception); |
| throw exception; |
| } |
| } |
| } |
| |
| public void onGlobalAppDataChange(String stateName) throws Exception { |
| |
| if (StringUtils.isBlank(stateName)) { |
| logger.error("Invalid name for state:[" + stateName +"]"); |
| throw new Exception("Invalid name for state:[" + stateName +"]"); |
| } else { |
| try { |
| XXGlobalState globalState = findByStateName(stateName); |
| if (globalState == null) { |
| createGlobalStateForRoleVersion(stateName); |
| } else { |
| updateGlobalStateForRoleVersion(globalState, stateName); |
| } |
| } catch (Exception exception) { |
| logger.error("Cannot create/update GlobalState for state:[" + stateName + "]", exception); |
| throw exception; |
| } |
| } |
| } |
| |
| public Long getRoleVersion(String stateName) { |
| Long ret = null; |
| try { |
| XXGlobalState globalState = findByStateName(stateName); |
| Map<String, String> roleVersionJson = new Gson().fromJson(globalState.getAppData(), Map.class); |
| if(MapUtils.isNotEmpty(roleVersionJson)) { |
| ret = Long.valueOf(roleVersionJson.get(APP_DATA_ENTRY_ROLE_VERSION)); |
| } else { |
| ret = 1L; |
| } |
| } catch (Exception exception) { |
| logger.warn("Unable to find the role version in Ranger Database"); |
| } |
| return ret; |
| } |
| |
| /** |
| * Default Constructor |
| */ |
| public XXGlobalStateDao(RangerDaoManagerBase daoManager) { |
| super(daoManager); |
| } |
| public XXGlobalState findByStateId(Long stateId) { |
| if (stateId == null) { |
| return null; |
| } |
| try { |
| XXGlobalState xxGlobalState = getEntityManager() |
| .createNamedQuery("XXGlobalState.findByStateId", tClass) |
| .setParameter("stateId", stateId) |
| .getSingleResult(); |
| return xxGlobalState; |
| } catch (NoResultException e) { |
| return null; |
| } |
| } |
| public XXGlobalState findByStateName(String stateName) { |
| if (StringUtils.isBlank(stateName)) { |
| return null; |
| } |
| try { |
| XXGlobalState xxGlobalState = getEntityManager() |
| .createNamedQuery("XXGlobalState.findByStateName", tClass) |
| .setParameter("stateName", stateName) |
| .getSingleResult(); |
| return xxGlobalState; |
| } catch (NoResultException e) { |
| return null; |
| } |
| } |
| |
| private void createGlobalStateForRoleVersion(String stateName) { |
| XXGlobalState globalState = new XXGlobalState(); |
| globalState.setStateName(stateName); |
| Map<String,String> roleVersion = new HashMap<>(); |
| roleVersion.put(APP_DATA_ENTRY_ROLE_VERSION,new String(Long.toString(1L))); |
| globalState.setAppData(new Gson().toJson(roleVersion)); |
| create(globalState); |
| } |
| |
| private void updateGlobalStateForRoleVersion(XXGlobalState globalState, String stateName) { |
| Map<String,String> roleVersionJson = new Gson().fromJson(globalState.getAppData(),Map.class); |
| if (MapUtils.isNotEmpty(roleVersionJson)) { |
| Long roleVersion = Long.valueOf(roleVersionJson.get(APP_DATA_ENTRY_ROLE_VERSION)) + 1L; |
| roleVersionJson.put(APP_DATA_ENTRY_ROLE_VERSION, new String(Long.toString(roleVersion))); |
| globalState.setAppData(new Gson().toJson(roleVersionJson)); |
| update(globalState); |
| } else { |
| //if not present create Global State for Role Version. |
| createGlobalStateForRoleVersion(stateName); |
| } |
| } |
| } |
| |