org.gcube.portlets.user.speciesdiscovery.server.stream

Class AggregatorIterator<I>

java.lang.Object

org.gcube.portlets.user.speciesdiscovery.server.stream.AggregatorIterator<I>

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<I>, CloseableIterator<I>

public class AggregatorIterator<I>
extends Object
implements CloseableIterator<I>

Author:

"Federico De Faveri defaveri@isti.cnr.it"

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,Aggregator<I,?>>	aggregators
protected org.apache.log4j.Logger	logger
protected CloseableIterator<I>	source

Constructor Summary

Constructors

Constructor and Description
AggregatorIterator(CloseableIterator<I> source)

Method Summary

Modifier and Type	Method and Description
void	addAggregator(Aggregator<I,?> aggregator)
void	close()
Aggregator<I,?>	getAggregator(String name)
boolean	hasNext()
I	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

source

protected CloseableIterator<I> source

aggregators

protected Map<String,Aggregator<I,?>> aggregators

logger

protected org.apache.log4j.Logger logger

Constructor Detail

AggregatorIterator

public AggregatorIterator(CloseableIterator<I> source)

Parameters:

source -

Method Detail

addAggregator

public void addAggregator(Aggregator<I,?> aggregator)

getAggregator

public Aggregator<I,?> getAggregator(String name)

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<I>

next

public I next()

Specified by:

next in interface Iterator<I>

remove

public void remove()

Specified by:

remove in interface Iterator<I>

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException