MaxScoreCache

```
final class MaxScoreCache
extends java.lang.Object
```
Compute maximum scores based on Impacts and keep them in a cache in order not to run expensive similarity score computations multiple times on the same data.

Fields
Modifier and Type	Field and Description
`private ImpactsSource`	`impactsSource`
`private float[]`	`maxScoreCache`
`private int[]`	`maxScoreCacheUpTo`
`private Similarity.SimScorer`	`scorer`

Constructors
Constructor and Description
`MaxScoreCache(ImpactsSource impactsSource, Similarity.SimScorer scorer)` Sole constructor.

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`private float`	`computeMaxScore(java.util.List<Impact> impacts)`
`private void`	`ensureCacheSize(int size)`
`(package private) int`	`getLevel(int upTo)` Return the first level that includes all doc IDs up to `upTo`, or -1 if there is no such level.
`(package private) float`	`getMaxScoreForLevel(int level)` Return the maximum score for the given `level`.
`private int`	`getSkipLevel(Impacts impacts, float minScore)` Return the maximum level at which scores are all less than `minScore`, or -1 if none.
`(package private) int`	`getSkipUpTo(float minScore)` Return the an inclusive upper bound of documents that all have a score that is less than `minScore`, or `-1` if the current document may be competitive.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

private final ImpactsSource impactsSource

private final Similarity.SimScorer scorer

public MaxScoreCache(ImpactsSource impactsSource,
                     Similarity.SimScorer scorer)

Sole constructor.

Class MaxScoreCache