Matter SDK Coverage Report
Current view: top level - app/server-cluster - ServerClusterContext.h (source / functions) Coverage Total Hit
Test: SHA:08e4733c5b7d416074cba411cbfe5c0588660294 Lines: 100.0 % 5 5
Test Date: 2025-07-01 07:11:45 Functions: 100.0 % 1 1

            Line data    Source code
       1              : /*
       2              :  *    Copyright (c) 2025 Project CHIP Authors
       3              :  *    All rights reserved.
       4              :  *
       5              :  *    Licensed under the Apache License, Version 2.0 (the "License");
       6              :  *    you may not use this file except in compliance with the License.
       7              :  *    You may obtain a copy of the License at
       8              :  *
       9              :  *        http://www.apache.org/licenses/LICENSE-2.0
      10              :  *
      11              :  *    Unless required by applicable law or agreed to in writing, software
      12              :  *    distributed under the License is distributed on an "AS IS" BASIS,
      13              :  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      14              :  *    See the License for the specific language governing permissions and
      15              :  *    limitations under the License.
      16              :  */
      17              : #pragma once
      18              : 
      19              : #include <app/data-model-provider/Context.h>
      20              : #include <app/data-model-provider/Provider.h>
      21              : #include <app/persistence/AttributePersistenceProvider.h>
      22              : #include <lib/core/CHIPPersistentStorageDelegate.h>
      23              : 
      24              : namespace chip {
      25              : namespace app {
      26              : 
      27              : /// Represents a runtime context for server cluster interfaces to interact
      28              : /// with the outside world such as:
      29              : ///   - notify of state changes to trigger attribute reports
      30              : ///   - emit events
      31              : ///   - potentially interact/review global metadata
      32              : ///
      33              : /// Prefer using `attributeStorage` over calling the global GetAttributePersistenceProvider()
      34              : /// so that unit testing is easier and there is less coupling in code.
      35              : ///
      36              : /// The context object is quite large in terms of exposed functionality and not all clusters use
      37              : /// all the information within, however a common context is used to minimize RAM overhead
      38              : /// for every cluster maintaining such a context.
      39              : struct ServerClusterContext
      40              : {
      41              :     DataModel::Provider * const provider                          = nullptr; /// underlying provider that the cluster operates in
      42              :     PersistentStorageDelegate * const storage                     = nullptr; /// read/write persistent storage
      43              :     AttributePersistenceProvider * const attributeStorage         = nullptr; /// read/write attribute data
      44              :     DataModel::InteractionModelContext * const interactionContext = nullptr; /// outside-world communication
      45              : 
      46          232 :     bool operator!=(const ServerClusterContext & other) const
      47              :     {
      48          232 :         return (provider != other.provider)                 //
      49          231 :             || (storage != other.storage)                   //
      50          229 :             || (attributeStorage != other.attributeStorage) //
      51          463 :             || (interactionContext != other.interactionContext);
      52              :     }
      53              : };
      54              : 
      55              : } // namespace app
      56              : } // namespace chip
        

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