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## Uses of Interface
org.apache.lucene.index.IndexDeletionPolicy

Packages that use IndexDeletionPolicy
org.apache.lucene.index | Code to maintain and access indices.

Uses of IndexDeletionPolicy in org.apache.lucene.index

Classes in org.apache.lucene.index that implement IndexDeletionPolicy
`class` | `KeepOnlyLastCommitDeletionPolicy` This `IndexDeletionPolicy` implementation that keeps only the most recent commit and immediately removes all prior commits after a new commit is done.
`class` | `SnapshotDeletionPolicy` A `IndexDeletionPolicy` that wraps around any other `IndexDeletionPolicy` and adds the ability to hold and later release a single "snapshot" of an index.

Methods in org.apache.lucene.index with parameters of type IndexDeletionPolicy
`static IndexReader` | `IndexReader.open(Directory directory, IndexDeletionPolicy deletionPolicy)` Expert: returns an IndexReader reading the index in the given Directory, with a custom `IndexDeletionPolicy`.

Constructors in org.apache.lucene.index with parameters of type IndexDeletionPolicy
`IndexWriter(Directory d, boolean autoCommit, Analyzer a, boolean create, IndexDeletionPolicy deletionPolicy)` Expert: constructs an IndexWriter with a custom `IndexDeletionPolicy`, for the index in `d`.
`IndexWriter(Directory d, boolean autoCommit, Analyzer a, IndexDeletionPolicy deletionPolicy)` Expert: constructs an IndexWriter with a custom `IndexDeletionPolicy`, for the index in `d`, first creating it if it does not already exist.
`SnapshotDeletionPolicy(IndexDeletionPolicy primary)`

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