Package org.apache.solr.client.solrj.io

Class Tuple

java.lang.Object

org.apache.solr.client.solrj.io.Tuple

All Implemented Interfaces:

Cloneable, MapSerializable, MapWriter, NavigableObject

Direct Known Subclasses:

KmeansEvaluator.ClusterTuple, KnnRegressionEvaluator.KnnRegressionTuple, LoessEvaluator.LoessRegressionTuple, OLSRegressionEvaluator.MultipleRegressionTuple, RegressionEvaluator.RegressionTuple

public class Tuple
extends Object
implements Cloneable, MapWriter

A simple abstraction of a record containing key/value pairs. Convenience methods are provided for returning single and multiValue String, Long and Double values. Note that ints and floats are treated as longs and doubles respectively.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.solr.common.MapWriter

MapWriter.EntryWriter

Field Summary

Fields

Modifier and Type	Field	Description
boolean	EOF	When EOF field is true the Tuple marks the end of the stream.
boolean	EXCEPTION
Map<String,String>	fieldLabels
List<String>	fieldNames
Map	fields

Constructor Summary

Constructors

Constructor	Description
Tuple()
Tuple(Map fields)

Method Summary

Modifier and Type	Method	Description
Tuple	clone()
Object	get(Object key)
Boolean	getBool(Object key)
List<Boolean>	getBools(Object key)
Date	getDate(Object key)
List<Date>	getDates(Object key)
Double	getDouble(Object key)
List<Double>	getDoubles(Object key)
String	getException()
Long	getLong(Object key)
List<Long>	getLongs(Object key)
Map	getMap()
List<Map>	getMaps(Object key)
Map<String,Map>	getMetrics()
String	getString(Object key)
List<String>	getStrings(Object key)
void	merge(Tuple other)
void	put(Object key, Object value)
void	remove(Object key)
void	setMaps(Object key, List<Map> maps)
void	setMetrics(Map<String,Map> metrics)
void	writeMap(MapWriter.EntryWriter ew)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.solr.common.MapWriter

jsonStr, toMap

Methods inherited from interface org.apache.solr.common.NavigableObject

_forEachEntry, _forEachEntry, _forEachEntry, _get, _get, _getStr, _getStr

Field Detail

EOF

public boolean EOF

When EOF field is true the Tuple marks the end of the stream. The EOF Tuple will not contain a record from the stream, but it may contain metrics/aggregates gathered by underlying streams.

EXCEPTION

public boolean EXCEPTION

fields

public Map fields

fieldNames

public List<String> fieldNames

fieldLabels

public Map<String,String> fieldLabels

Constructor Detail

Tuple

public Tuple()

Tuple

public Tuple(Map fields)

Method Detail

get

public Object get(Object key)

put

public void put(Object key,
                Object value)

remove

public void remove(Object key)

getString

public String getString(Object key)

getException

public String getException()

getLong

public Long getLong(Object key)

getBool

public Boolean getBool(Object key)

getBools

public List<Boolean> getBools(Object key)

getDate

public Date getDate(Object key)

getDates

public List<Date> getDates(Object key)

getDouble

public Double getDouble(Object key)

getStrings

public List<String> getStrings(Object key)

getLongs

public List<Long> getLongs(Object key)

getDoubles

public List<Double> getDoubles(Object key)

getMap

public Map getMap()

getMaps

public List<Map> getMaps(Object key)

setMaps

public void setMaps(Object key,
                    List<Map> maps)

getMetrics

public Map<String,Map> getMetrics()

setMetrics

public void setMetrics(Map<String,Map> metrics)

clone

public Tuple clone()

Overrides:

clone in class Object

merge

public void merge(Tuple other)

writeMap

public void writeMap(MapWriter.EntryWriter ew)
              throws IOException

Specified by:

writeMap in interface MapWriter

Throws:

IOException