java.lang.Object

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

Direct Known Subclasses:: DecayFunctionBuilder.AbstractDistanceScoreFunction, FieldValueFactorFunction, FunctionScoreQuery.FilterScoreFunction, RandomScoreFunction, ScriptScoreFunction, WeightFactorFunction

public abstract class ScoreFunction
extends java.lang.Object

Method Summary

Modifier and Type	Method	Description
`protected abstract boolean`	`doEquals(ScoreFunction other)`	Indicates whether some other `ScoreFunction` object of the same type is "equal to" this one.
`protected abstract int`	`doHashCode()`
`boolean`	`equals(java.lang.Object obj)`
`CombineFunction`	`getDefaultScoreCombiner()`
`abstract LeafScoreFunction`	`getLeafScoreFunction(org.apache.lucene.index.LeafReaderContext ctx)`
`float`	`getWeight()`
`int`	`hashCode()`
`abstract boolean`	`needsScores()`	Indicates if document scores are needed by this function.
`protected ScoreFunction`	`rewrite(org.apache.lucene.index.IndexReader reader)`

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

Constructor Details
- ScoreFunction
  
  protected ScoreFunction(CombineFunction scoreCombiner)
Method Details
- getDefaultScoreCombiner
  
  public CombineFunction getDefaultScoreCombiner()
- getLeafScoreFunction
  
  public abstract LeafScoreFunction getLeafScoreFunction(org.apache.lucene.index.LeafReaderContext ctx) throws java.io.IOException
  
  Throws:
  
  java.io.IOException
- needsScores
  
  public abstract boolean needsScores()
  
  Indicates if document scores are needed by this function.
  
  Returns:
  
  true if scores are needed.
- equals
  
  public final boolean equals(java.lang.Object obj)
  
  Overrides:
  
  equals in class java.lang.Object
- getWeight
  
  public float getWeight()
- doEquals
  
  protected abstract boolean doEquals(ScoreFunction other)
  
  Indicates whether some other ScoreFunction object of the same type is "equal to" this one.
- hashCode
  
  public final int hashCode()
  
  Overrides:
  
  hashCode in class java.lang.Object
- doHashCode
  
  protected abstract int doHashCode()
- rewrite
  
  protected ScoreFunction rewrite(org.apache.lucene.index.IndexReader reader) throws java.io.IOException
  
  Throws:
  
  java.io.IOException

Class ScoreFunction