ee2d6658cb
Add DataItemObserver interface in SystemStatus so that clients can subscribe dataitem events from SystemStatus. Also moving DateItem and its observer, subscription classes into HAL Simplify DataItem class implementation. Change-Id: I7b2c3fc9dcf67dd6132bbcccda874e3f7ed6fa94 CRs-Fixed: 2041019 2072896
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
/* Copyright (c) 2015, 2017 The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation, nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __IDATAITEMOBSERVER_H__
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#define __IDATAITEMOBSERVER_H__
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#include <list>
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#include <string>
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using namespace std;
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namespace loc_core
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{
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class IDataItemCore;
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/**
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* @brief IDataItemObserver interface
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* @details IDataItemObserver interface;
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* In OS dependent code this type serves as a handle to an OS independent instance of this interface.
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*/
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class IDataItemObserver {
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public:
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/**
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* @brief Gets name of Data Item Observer
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* @details Gets name of Data Item Observer
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*
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* @param name reference to name of Data Item Observer
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*/
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virtual void getName (string & name) = 0;
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/**
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* @brief Notify updated values of Data Items
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* @details Notifys updated values of Data items
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*
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* @param dlist List of updated data items
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*/
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virtual void notify (const std :: list <IDataItemCore *> & dlist) = 0;
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/**
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* @brief Destructor
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* @details Destructor
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*/
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virtual ~IDataItemObserver () {}
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};
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} // namespace loc_core
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#endif // #ifndef __IDATAITEMOBSERVER_H__
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