public void convertAndAssign(long timestamp, Object[] data) {
        StreamEvent newEvent = streamEventFactory.newInstance();
        streamEventConverter.convertData(timestamp, data, newEvent);
        first = newEvent;
        last = first;
    }
A StreamEvent holder that can also convert other events into StreamEvents
modules/siddhi-core/src/main/java/io/siddhi/core/event/stream/converter/ConversionStreamEventChunk.java