authz-cass/src/main/java/com/att/dao/aaf/cached/CachedUserRoleDAO.java

   1 /*******************************************************************************\r
   2  * ============LICENSE_START====================================================\r
   3  * * org.onap.aaf\r
   4  * * ===========================================================================\r
   5  * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
   6  * * ===========================================================================\r
   7  * * Licensed under the Apache License, Version 2.0 (the "License");\r
   8  * * you may not use this file except in compliance with the License.\r
   9  * * You may obtain a copy of the License at\r
  10  * * \r
  11  *  *      http://www.apache.org/licenses/LICENSE-2.0\r
  12  * * \r
  13  *  * Unless required by applicable law or agreed to in writing, software\r
  14  * * distributed under the License is distributed on an "AS IS" BASIS,\r
  15  * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  16  * * See the License for the specific language governing permissions and\r
  17  * * limitations under the License.\r
  18  * * ============LICENSE_END====================================================\r
  19  * *\r
  20  * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
  21  * *\r
  22  ******************************************************************************/\r
  23 package com.att.dao.aaf.cached;\r
  24 \r
  25 import java.util.ArrayList;\r
  26 import java.util.List;\r
  27 \r
  28 import com.att.authz.env.AuthzTrans;\r
  29 import com.att.authz.layer.Result;\r
  30 import com.att.dao.CIDAO;\r
  31 import com.att.dao.CachedDAO;\r
  32 import com.att.dao.aaf.cass.Status;\r
  33 import com.att.dao.aaf.cass.UserRoleDAO;\r
  34 import com.att.dao.aaf.cass.UserRoleDAO.Data;\r
  35 import com.att.inno.env.Slot;\r
  36 \r
  37 public class CachedUserRoleDAO extends CachedDAO<AuthzTrans,UserRoleDAO, UserRoleDAO.Data> {\r
  38         private Slot transURSlot;\r
  39 \r
  40         public CachedUserRoleDAO(UserRoleDAO dao, CIDAO<AuthzTrans> info) {\r
  41                 super(dao, info, UserRoleDAO.CACHE_SEG);\r
  42                 transURSlot = dao.transURSlot;\r
  43         }\r
  44 \r
  45         /**\r
  46          * Special Case.  \r
  47          * User Roles by User are very likely to be called many times in a Transaction, to validate "May User do..."\r
  48          * Pull result, and make accessible by the Trans, which is always keyed by User.\r
  49          * @param trans\r
  50          * @param user\r
  51          * @return\r
  52          */\r
  53         public Result<List<Data>> readByUser(AuthzTrans trans, final String user) {\r
  54                 DAOGetter getter = new DAOGetter(trans,dao()) {\r
  55                         public Result<List<Data>> call() {\r
  56                                 // If the call is for THIS user, and it exists, get from TRANS, add to TRANS if not.\r
  57                                 if(user!=null && user.equals(trans.user())) {\r
  58                                         Result<List<Data>> transLD = trans.get(transURSlot,null);\r
  59                                         if(transLD==null ) {\r
  60                                                 transLD = dao.readByUser(trans, user);\r
  61                                         }\r
  62                                         return transLD;\r
  63                                 } else {\r
  64                                         return dao.readByUser(trans, user);\r
  65                                 }\r
  66                         }\r
  67                 };\r
  68                 Result<List<Data>> lurd = get(trans, user, getter);\r
  69                 if(lurd.isOK() && lurd.isEmpty()) {\r
  70                         return Result.err(Status.ERR_UserRoleNotFound,"UserRole not found for [%s]",user);\r
  71                 }\r
  72                 return lurd;\r
  73         }\r
  74 \r
  75         \r
  76         public Result<List<Data>> readByRole(AuthzTrans trans, final String role) {\r
  77                 DAOGetter getter = new DAOGetter(trans,dao()) {\r
  78                         public Result<List<Data>> call() {\r
  79                                 return dao.readByRole(trans, role);\r
  80                         }\r
  81                 };\r
  82                 Result<List<Data>> lurd = get(trans, role, getter);\r
  83                 if(lurd.isOK() && lurd.isEmpty()) {\r
  84                         return Result.err(Status.ERR_UserRoleNotFound,"UserRole not found for [%s]",role);\r
  85                 }\r
  86                 return lurd;\r
  87         }\r
  88 \r
  89         public Result<List<UserRoleDAO.Data>> readUserInRole(final AuthzTrans trans, final String user, final String role) {\r
  90                 DAOGetter getter = new DAOGetter(trans,dao()) {\r
  91                         public Result<List<Data>> call() {\r
  92                                 if(user.equals(trans.user())) {\r
  93                                         Result<List<Data>> rrbu = readByUser(trans, user);\r
  94                                         if(rrbu.isOK()) {\r
  95                                                 List<Data> ld = new ArrayList<Data>(1);\r
  96                                                 for(Data d : rrbu.value) {\r
  97                                                         if(d.role.equals(role)) {\r
  98                                                                 ld.add(d);\r
  99                                                                 break;\r
 100                                                         }\r
 101                                                 }\r
 102                                                 return Result.ok(ld).emptyList(ld.isEmpty());\r
 103                                         } else {\r
 104                                                 return rrbu;\r
 105                                         }\r
 106                                 }\r
 107                                 return dao.readByUserRole(trans, user, role);\r
 108                         }\r
 109                 };\r
 110                 Result<List<Data>> lurd = get(trans, keyFromObjs(user,role), getter);\r
 111                 if(lurd.isOK() && lurd.isEmpty()) {\r
 112                         return Result.err(Status.ERR_UserRoleNotFound,"UserRole not found for role [%s] and user [%s]",role,user);\r
 113                 }\r
 114                 return lurd;\r
 115         }\r
 116 }\r