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

java.lang.Object
  extended by org.gcube.portlets.user.speciesdiscovery.server.stream.AggregatorIterator<I>
All Implemented Interfaces:
Closeable, Iterator<I>, CloseableIterator<I>

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

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

Field Summary
protected  Map<String,Aggregator<I,?>> aggregators
           
protected  CloseableIterator<I> source
           
 
Constructor Summary
AggregatorIterator(CloseableIterator<I> source)
           
 
Method Summary
 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
 

Field Detail

source

protected CloseableIterator<I> source

aggregators

protected Map<String,Aggregator<I,?>> aggregators
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
Throws:
IOException


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