service/resource-container/src/RemoteResourceUnit.h

   1 //******************************************************************
   2 //
   3 // Copyright 2015 Samsung Electronics All Rights Reserved.
   4 //
   5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
   6 //
   7 // Licensed under the Apache License, Version 2.0 (the "License");
   8 // you may not use this file except in compliance with the License.
   9 // You may obtain a copy of the License at
  10 //
  11 //      http://www.apache.org/licenses/LICENSE-2.0
  12 //
  13 // Unless required by applicable law or agreed to in writing, software
  14 // distributed under the License is distributed on an "AS IS" BASIS,
  15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16 // See the License for the specific language governing permissions and
  17 // limitations under the License.
  18 //
  19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
  20
  21 #ifndef REMOTERESOURCEINFO_H_
  22 #define REMOTERESOURCEINFO_H_
  23
  24 #include <mutex>
  25
  26 #include "RCSRemoteResourceObject.h"
  27
  28 namespace OIC
  29 {
  30     namespace Service
  31     {
  32         class RemoteResourceUnit
  33         {
  34         public:
  35             enum class UPDATE_MSG
  36             {
  37                 DATA_UPDATED,
  38                 RESOURCE_DELETED
  39             };
  40
  41             typedef std::shared_ptr<RemoteResourceUnit> Ptr;
  42             typedef std::function<void(UPDATE_MSG,
  43                 RCSRemoteResourceObject::Ptr)> UpdatedCBFromServer;
  44
  45             RemoteResourceUnit();
  46             ~RemoteResourceUnit();
  47
  48         private:
  49             mutable std::mutex m_mutex;
  50             RCSRemoteResourceObject::Ptr remoteObject;
  51
  52             UpdatedCBFromServer pUpdatedCB;
  53             RCSRemoteResourceObject::StateChangedCallback pStateChangedCB;
  54             RCSRemoteResourceObject::CacheUpdatedCallback pCacheUpdateCB;
  55
  56             void stateChangedCB(ResourceState changedState) const;
  57             void cacheUpdateCB(const RCSResourceAttributes & updatedAtt, int) const;
  58
  59         public:
  60             static RemoteResourceUnit::Ptr createRemoteResourceInfo(
  61                 RCSRemoteResourceObject::Ptr ptr, UpdatedCBFromServer updatedCB);
  62             static RemoteResourceUnit::Ptr createRemoteResourceInfoWithStateCB(
  63                 RCSRemoteResourceObject::Ptr ptr, UpdatedCBFromServer updatedCB,
  64                 RCSRemoteResourceObject::StateChangedCallback stateCB);
  65             static RemoteResourceUnit::Ptr createRemoteResourceInfoWithCacheCB(
  66                 RCSRemoteResourceObject::Ptr ptr, UpdatedCBFromServer updatedCB,
  67                 RCSRemoteResourceObject::CacheUpdatedCallback cacheCB);
  68
  69             RCSRemoteResourceObject::Ptr getRemoteResourceObject() const;
  70             std::string getRemoteResourceUri() const;
  71
  72             void startCaching() const;
  73             void startMonitoring() const;
  74         };
  75     }
  76 }
  77
  78 #endif // REMOTERESOURCEINFO_H_