Package org.elasticsearch.script

Class ScoreScript

java.lang.Object

org.elasticsearch.script.ScoreScript

public abstract class ScoreScript
extends Object

A script used for adjusting the score on a per document basis.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ScoreScript.ExplanationHolder	A helper to take in an explanation from a script and turn it into an Explanation
static interface	ScoreScript.Factory	A factory to construct stateful ScoreScript factories for a specific index.
static interface	ScoreScript.LeafFactory	A factory to construct ScoreScript instances.

Field Summary

Fields

Modifier and Type	Field	Description
static ScriptContext<ScoreScript.Factory>	CONTEXT
static String[]	PARAMETERS

Constructor Summary

Constructors

Constructor	Description
ScoreScript(Map<String,Object> params, SearchLookup lookup, LeafReaderContext leafContext)

Method Summary

Modifier and Type	Method	Description
int	_getDocBaseId()	Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.
int	_getDocId()	Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.
String	_getIndex()	Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.
Version	_getIndexVersion()	Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.
int	_getShardId()	Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.
void	_setIndexName(String indexName)	Starting a name with underscore, so that the user cannot access this function directly through a script
void	_setIndexVersion(Version indexVersion)	Starting a name with underscore, so that the user cannot access this function directly through a script
void	_setShard(int shardId)	Starting a name with underscore, so that the user cannot access this function directly through a script
abstract double	execute(ScoreScript.ExplanationHolder explanation)
double	get_score()	Accessed as _score in the painless script
Map<String,ScriptDocValues<?>>	getDoc()	The doc lookup for the Lucene segment this script was created for.
Map<String,Object>	getParams()	Return the parameters for this script.
void	setDocument(int docid)	Set the current document to run the script on next.
void	setScorer(Scorable scorer)

Methods inherited from class java.lang.Object

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

Field Detail

PARAMETERS

public static final String[] PARAMETERS

CONTEXT

public static final ScriptContext<ScoreScript.Factory> CONTEXT

Constructor Detail

ScoreScript

public ScoreScript(Map<String,Object> params,
                   SearchLookup lookup,
                   LeafReaderContext leafContext)

Method Detail

execute

public abstract double execute(ScoreScript.ExplanationHolder explanation)

getParams

public Map<String,Object> getParams()

Return the parameters for this script.

getDoc

public final Map<String,ScriptDocValues<?>> getDoc()

The doc lookup for the Lucene segment this script was created for.

setDocument

public void setDocument(int docid)

Set the current document to run the script on next.

setScorer

public void setScorer(Scorable scorer)

get_score

public double get_score()

Accessed as _score in the painless script

Returns:

the score of the inner query

_getDocId

public int _getDocId()

Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.

Returns:

the internal document ID

_getDocBaseId

public int _getDocBaseId()

Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.

Returns:

the internal document ID with the base

_getShardId

public int _getShardId()

Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.

Returns:

shard id or throws an exception if shard is not set up for this script instance

_getIndex

public String _getIndex()

Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.

Returns:

index name or throws an exception if the index name is not set up for this script instance

_getIndexVersion

public Version _getIndexVersion()

Starting a name with underscore, so that the user cannot access this function directly through a script It is only used within predefined painless functions.

Returns:

index version or throws an exception if the index version is not set up for this script instance

_setShard

public void _setShard(int shardId)

Starting a name with underscore, so that the user cannot access this function directly through a script

_setIndexName

public void _setIndexName(String indexName)

Starting a name with underscore, so that the user cannot access this function directly through a script

_setIndexVersion

public void _setIndexVersion(Version indexVersion)

Starting a name with underscore, so that the user cannot access this function directly through a script