WSubject.cpp

//---------------------------------------------------------------------------
//
// Project: OpenWalnut ( http://www.openwalnut.org )
//
// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
// For more information see http://www.openwalnut.org/copying
//
// This file is part of OpenWalnut.
//
// OpenWalnut is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// OpenWalnut is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
//
//---------------------------------------------------------------------------
 
#include <memory>
#include <string>
#include <vector>
 
#include "../common/WLogger.h"
#include "WDataSet.h"
#include "WSubject.h"
#include "exceptions/WDHNoSuchDataSet.h"
 
WSubject::WSubject():
    m_datasets(),
    m_changeCondition( std::shared_ptr< WConditionSet >( new WConditionSet() ) ),
    m_listChangeCondition( std::shared_ptr< WConditionSet >( new WConditionSet() ) ),
    m_personalInfo( WPersonalInformation::createDummyInformation() )
{
}
 
WSubject::WSubject( WPersonalInformation personInfo ):
    m_datasets(),
    m_changeCondition( std::shared_ptr< WConditionSet >( new WConditionSet() ) ),
    m_listChangeCondition( std::shared_ptr< WConditionSet >( new WConditionSet() ) ),
    m_personalInfo( personInfo )
{
}
 
WSubject::~WSubject()
{
    clear();
}
 
std::string WSubject::getName() const
{
    return m_personalInfo.getCompleteName();
}
 
WPersonalInformation WSubject::getPersonalInformation() const
{
    return m_personalInfo;
}
 
void WSubject::addDataSet( std::shared_ptr< WDataSet > dataset )
{
    // simply add the new dataset
    m_datasets.push_back( dataset );
    m_changeCondition->notify();
    m_listChangeCondition->notify();
}
 
void WSubject::removeDataSet( std::shared_ptr< WDataSet > dataset )
{
    DatasetSharedContainerType::WriteTicket l = m_datasets.getWriteTicket();
 
    // iterate and find, remove
    DatasetIterator fIt = std::find( l->get().begin(), l->get().end(), dataset );
    l->get().erase( fIt );
 
    // unlock if some callback notified below wants to access the list
    l.reset();
 
    m_changeCondition->notify();
    m_listChangeCondition->notify();
}
 
void WSubject::clear()
{
    DatasetSharedContainerType::WriteTicket l = m_datasets.getWriteTicket();
    l->get().clear();
 
    // unlock if some callback notified below wants to access the list
    l.reset();
 
    m_listChangeCondition->notify();
}
 
WSubject::DatasetSharedContainerType::ReadTicket WSubject::getDatasets() const
{
    return m_datasets.getReadTicket();
}
 
WSubject::DatasetSharedContainerType::WriteTicket WSubject::getDatasetsForWriting() const
{
    return m_datasets.getWriteTicket();
}
 
std::shared_ptr< WCondition > WSubject::getChangeCondition() const
{
    return m_changeCondition;
}
 
std::shared_ptr< WCondition > WSubject::getListChangeCondition() const
{
    return m_listChangeCondition;
}