public static int findCounterIdByRecording ( final CountersReader countersReader , final long recordingId ) { final DirectBuffer buffer = countersReader . metaDataBuffer ( ) ; for ( int i = 0 , size = countersReader . maxCounterId ( ) ; i < size ; i ++ ) { if ( countersReader . getCounterState ( i ) == RECORD_ALLOCATED ) { final int recordOffset = CountersReader . metaDataOffset ( i ) ; if ( buffer . getInt ( recordOffset + TYPE_ID_OFFSET ) == RECORDING_POSITION_TYPE_ID && buffer . getLong ( recordOffset + KEY_OFFSET + RECORDING_ID_OFFSET ) == recordingId ) { return i ; } } } return NULL_COUNTER_ID ; }
Find the active counter id for a stream based on the recording id .