org.apache.solr.client.solrj.io

Class RankStream

java.lang.Object

org.apache.solr.client.solrj.io.TupleStream

org.apache.solr.client.solrj.io.RankStream

All Implemented Interfaces:

Serializable

public class RankStream
extends TupleStream

Iterates over a TupleStream and Ranks the topN tuples based on a Comparator.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RankStream(TupleStream tupleStream, int size, Comparator<Tuple> comp)

Method Summary

Methods

Modifier and Type	Method and Description
List<TupleStream>	children()
void	close()
int	getCost()
void	open()
Tuple	read()
void	setStreamContext(StreamContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

RankStream

public RankStream(TupleStream tupleStream,
          int size,
          Comparator<Tuple> comp)

Method Detail

setStreamContext

public void setStreamContext(StreamContext context)

Specified by:

setStreamContext in class TupleStream

children

public List<TupleStream> children()

Specified by:

children in class TupleStream

open

public void open()
          throws IOException

Specified by:

open in class TupleStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in class TupleStream

Throws:

IOException

read

public Tuple read()
           throws IOException

Specified by:

read in class TupleStream

Throws:

IOException

getCost

public int getCost()

Overrides:

getCost in class TupleStream