org.elasticsearch.common.lucene.search.function

クラス RandomScoreFunction

java.lang.Object

org.elasticsearch.common.lucene.search.function.ScoreFunction

org.elasticsearch.common.lucene.search.function.RandomScoreFunction

public class RandomScoreFunction
extends ScoreFunction

Pseudo randomly generate a score for each LeafScoreFunction.score(int, float).

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
RandomScoreFunction() Default constructor.
RandomScoreFunction(int seed, int salt, IndexFieldData<?> uidFieldData) Creates a RandomScoreFunction.

メソッドのサマリー

修飾子とタイプ	メソッドと説明
LeafScoreFunction	getLeafScoreFunction(org.apache.lucene.index.LeafReaderContext ctx)
boolean	needsScores() Indicates if document scores are needed by this function.

クラスから継承されたメソッド org.elasticsearch.common.lucene.search.function.ScoreFunction

getDefaultScoreCombiner

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

RandomScoreFunction

public RandomScoreFunction()

Default constructor. Only useful for constructing as a placeholder, but should not be used for actual scoring.

RandomScoreFunction

public RandomScoreFunction(int seed,
                           int salt,
                           IndexFieldData<?> uidFieldData)

Creates a RandomScoreFunction.

パラメータ:

seed - A seed for randomness

salt - A value to salt the seed with, ideally unique to the running node/index

uidFieldData - The field data for _uid to use for generating consistent random values for the same id

メソッドの詳細

getLeafScoreFunction

public LeafScoreFunction getLeafScoreFunction(org.apache.lucene.index.LeafReaderContext ctx)

定義:

getLeafScoreFunction クラス内 ScoreFunction

needsScores

public boolean needsScores()

クラスからコピーされた説明: ScoreFunction

Indicates if document scores are needed by this function.

定義:

needsScores クラス内 ScoreFunction

戻り値:

true if scores are needed.