## 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.
  org.apache.lucene.internal.tests | Internal bridges to package-private internals, for use by the lucene test framework only.

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

    Fields in org.apache.lucene.index declared as IndexReader.CacheKey
    Modifier and Type | Field | 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 | Description
    --- | --- | ---
    `IndexReader.CacheKey` | FilterDirectoryReader.DelegatingCacheHelper.`getKey()` |
    `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 | 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.

  - ### Uses of IndexReader.CacheKey in org.apache.lucene.internal.tests

    Methods in org.apache.lucene.internal.tests that return IndexReader.CacheKey
    Modifier and Type | Method | Description
    --- | --- | ---
    `IndexReader.CacheKey` | IndexPackageAccess.`newCacheKey()` |