org.apache.river.discovery

Interface EncodeIterator

public interface EncodeIterator

Iterator for performing multicast encode operations on (potentially) multiple discovery format providers.

Since:

2.0

Author:

Sun Microsystems, Inc.

Method Summary

Modifier and Type	Method and Description
boolean	hasNext() Returns true if this iterator has additional encoders, or false otherwise.
DatagramPacket[]	next() Performs a single multicast encode operation using the next encoder provider of a Discovery instance, returning the resulting datagram packets or throwing the resulting exception.

Method Detail

next

DatagramPacket[] next()
               throws IOException

Performs a single multicast encode operation using the next encoder provider of a Discovery instance, returning the resulting datagram packets or throwing the resulting exception.

Returns:

datagram packets resulting from an encode operation

Throws:

IOException - if the encode operation failed

UnsupportedConstraintException - if the encode operation is unable to satisfy its constraints

NoSuchElementException - if there are no more encoders for this iterator

hasNext

boolean hasNext()

Returns true if this iterator has additional encoders, or false otherwise.

Returns:

true if this iterator has additional encoders, or false otherwise