/**
* Handler method for input of perturbed measurement data. All
* measurements are collected and will contribute to the finally
* generated distribution which will be computed and pushed onward
* as soon as the configured amount of trials is reached.
*
* It is not necessary to trigger the compoent before via the
* {@code TriggerInput} input and noisy data may be pushed
* asynchronously. However, each push will result in an event to
* be issued on the {@code Sync} output.
*/
void dataIn( const EventType& e )
{
LOG4CPP_TRACE( logger, getName() << " Received perturbed measurement with timestamp " << e.time() );
if ( m_bStopped )
{
LOG4CPP_TRACE( logger, getName() << " Covariance estimation has not been triggered yet, ignore measurement" );
return;
}
m_counter ++;
LOG4CPP_TRACE( logger, getName() << " Current counter: " << m_counter << ", go on until: " << m_size );
// Compute incremental covariance
typename ResultType::value_type estimate = incrementalEstimate ( *e );
// Check list size
if ( m_counter == m_size )
{
// push onward final result
LOG4CPP_DEBUG( logger, getName() << " Terminate and push final result" );
m_outPortDist.send( ResultType ( e.time(), estimate ) );
boost::mutex::scoped_lock l( m_mutex );
m_bStopped = true;
return;
}
// If not reached, send next trigger event
LOG4CPP_TRACE( logger, getName() << " Triggering computation..." );
m_outPortSync.send( Measurement::Button( Measurement::now(), m_button ) );
}
/** called when a new item arrives */
void receive( const EventType& event )
{
m_data.push_back( *event );
if (++m_size > m_maxLength) {
m_data.erase( m_data.begin() );
m_size--;
}
m_outPort.send( Measurement::Measurement< typename std::vector< typename EventType::value_type > >( event.time(), m_data ) );
}