## Uses of Class
org.apache.lucene.index.IndexReader.CacheKey

- Packages that use IndexReader.CacheKey
  Package | Description
  --- | ---
  org.apache.lucene.index | Code to maintain and access indices.

- - ### Uses of IndexReader.CacheKey in org.apache.lucene.index

    Fields in org.apache.lucene.index declared as IndexReader.CacheKey
    Modifier and Type | Field and Description
    --- | ---
    `IndexReader.CacheKey` | OrdinalMap.`owner` Cache key of whoever asked for this awful thing

    Methods in org.apache.lucene.index that return IndexReader.CacheKey
    Modifier and Type | Method and Description
    --- | ---
    `IndexReader.CacheKey` | IndexReader.CacheHelper.`getKey()` Get a key that the resource can be cached on.

    Methods in org.apache.lucene.index with parameters of type IndexReader.CacheKey
    Modifier and Type | Method and Description
    --- | ---
    `static OrdinalMap` | OrdinalMap.`build(IndexReader.CacheKey owner, SortedDocValues[] values, float acceptableOverheadRatio)` Create an ordinal map that uses the number of unique values of each `SortedDocValues` instance as a weight.
    `static OrdinalMap` | OrdinalMap.`build(IndexReader.CacheKey owner, SortedSetDocValues[] values, float acceptableOverheadRatio)` Create an ordinal map that uses the number of unique values of each `SortedSetDocValues` instance as a weight.
    `static OrdinalMap` | OrdinalMap.`build(IndexReader.CacheKey owner, TermsEnum[] subs, long[] weights, float acceptableOverheadRatio)` Creates an ordinal map that allows mapping ords to/from a merged space from `subs`.
    `void` | IndexReader.ClosedListener.`onClose(IndexReader.CacheKey key)` Invoked when the resource (segment core, or index reader) that is being cached on is closed.

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