opennlp.model
Class HashSumEventStream

java.lang.Object
  opennlp.model.HashSumEventStream

All Implemented Interfaces:

EventStream

public class HashSumEventStream
extends Object
implements EventStream

Constructor Summary

HashSumEventStream(EventStream eventStream)

Method Summary

BigInteger	calculateHashSum() Calculates the hash sum of the stream.
boolean	hasNext() Test whether there are any Events remaining in this EventStream.
Event	next() Returns the next Event object held in this EventStream.
void	remove()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HashSumEventStream

public HashSumEventStream(EventStream eventStream)

Method Detail

hasNext

public boolean hasNext()
                throws IOException

Description copied from interface: EventStream

Test whether there are any Events remaining in this EventStream.

Specified by:

hasNext in interface EventStream

Returns:

true if this EventStream has more Events

Throws:

IOException

next

public Event next()
           throws IOException

Description copied from interface: EventStream

Returns the next Event object held in this EventStream.

Specified by:

next in interface EventStream

Returns:

the Event object which is next in this EventStream

Throws:

IOException

calculateHashSum

public BigInteger calculateHashSum()

Calculates the hash sum of the stream. The method must be called after the stream is completely consumed.

Returns:

the hash sum

Throws:

IllegalStateException - if the stream is not consumed completely, completely means that hasNext() returns false

remove

public void remove()