VCardConsumer (ical4j-integration-api 0.1.2 API)

```
public interface VCardConsumer
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Optional<net.fortuna.ical4j.vcard.VCard>`	`poll(long timeout)`	Invoke retrieval of calendar data via supported transport protocol.

- Method Detail
  - poll
```
Optional<net.fortuna.ical4j.vcard.VCard> poll(long timeout)
                                       throws IOException
```
    Invoke retrieval of calendar data via supported transport protocol.
    
    Parameters:
    
    timeout - maximum duration of data retrieval
    
    Returns:
    
    the retrieved calendar data
    
    Throws:
    
    IOException - if data retrieval fails