org.elasticsearch.index.query.functionscore.fieldvaluefactor

Class FieldValueFactorFunctionParser

java.lang.Object

org.elasticsearch.index.query.functionscore.fieldvaluefactor.FieldValueFactorFunctionParser

All Implemented Interfaces:

ScoreFunctionParser

public class FieldValueFactorFunctionParser
extends Object
implements ScoreFunctionParser

Parses out a function_score function that looks like:

     {
         "field_value_factor": {
             "field": "myfield",
             "factor": 1.5,
             "modifier": "square",
             "missing": 1
         }
     }
 

Field Summary

Fields

Modifier and Type	Field and Description
static String[]	NAMES

Constructor Summary

Constructors

Constructor and Description
FieldValueFactorFunctionParser()

Method Summary

Methods

Modifier and Type	Method and Description
String[]	getNames() Returns the name of the function, for example "linear", "gauss" etc.
ScoreFunction	parse(QueryParseContext parseContext, XContentParser parser)

Methods inherited from class java.lang.Object

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

Field Detail

NAMES

public static String[] NAMES

Constructor Detail

FieldValueFactorFunctionParser

public FieldValueFactorFunctionParser()

Method Detail

parse

public ScoreFunction parse(QueryParseContext parseContext,
                  XContentParser parser)
                    throws IOException,
                           QueryParsingException

Specified by:

parse in interface ScoreFunctionParser

Throws:

IOException

QueryParsingException

getNames

public String[] getNames()

Description copied from interface: ScoreFunctionParser

Returns the name of the function, for example "linear", "gauss" etc. This name is used for registering the parser in FunctionScoreQueryParser.

Specified by:

getNames in interface ScoreFunctionParser