using com::sun::star::uno::Any; using com::sun::star::uno::Reference; using com::sun::star::uno::Exception; using com::sun::star::lang::IllegalArgumentException; using com::sun::star::beans::Property; using com::sun::star::beans::XPropertySetInfo;
PropertyValueCache::iterator aPos = m_aCache.find( nHandle ); if ( aPos == m_aCache.end() )
{ // method has never before been invoked for this property try
{ // determine the type of this property
::cppu::IPropertyArrayHelper& rPropertyMetaData = getInfoHelper();
OUString sPropName;
OSL_VERIFY( rPropertyMetaData.fillPropertyMembersByHandle( &sPropName, nullptr, nHandle ) );
Property aProperty = rPropertyMetaData.getPropertyByName( sPropName ); // default construct a value of this type
Any aEmptyValue( nullptr, aProperty.Type ); // insert into the cache
aPos = m_aCache.emplace( nHandle, aEmptyValue ).first;
} catch( const Exception& )
{
OSL_FAIL( "PropertySetBase::notifyAndCachePropertyValue: this is not expected to fail!");
}
}
Any aOldValue = aPos->second; // determine the current value
Any aNewValue;
getFastPropertyValue( aNewValue, nHandle ); // remember the old value
aPos->second = aNewValue;
::std::pair< PropertyValueCache::iterator, bool > aInsertResult =
m_aCache.emplace( nHandle, aCurrentValue );
OSL_ENSURE( aInsertResult.second, "PropertySetBase::initializePropertyValueCache: already cached a value for this property!" );
}
PropertyAccessorBase& PropertySetBase::locatePropertyHandler( sal_Int32 nHandle ) const
{
PropertyAccessors::const_iterator aPropertyPos = m_aAccessors.find( nHandle );
assert( aPropertyPos != m_aAccessors.end() && aPropertyPos->second && "PropertySetBase::locatePropertyHandler: accessor map is corrupted!" ); // neither should this be called for handles where there is no accessor, nor should a // NULL accessor be in the map return *aPropertyPos->second;
}
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