Uses of Interface com.sleepycat.persist.EntityIndex (Oracle - Berkeley DB Java API)

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## Uses of Interface
com.sleepycat.persist.EntityIndex

Packages that use EntityIndex
com.sleepycat.persist | The Direct Persistence Layer (DPL) adds a persistent object model to the Berkeley DB transactional engine.

Uses of EntityIndex in com.sleepycat.persist

Classes in com.sleepycat.persist that implement EntityIndex
`class` | `PrimaryIndex<PK,E>` The primary index for an entity class and its primary key.
`class` | `SecondaryIndex<SK,PK,E>` The secondary index for an entity class and a secondary key.

Methods in com.sleepycat.persist that return EntityIndex
`EntityIndex<SK,PK>` | `SecondaryIndex.keysIndex()` Returns a read-only keys index that maps secondary key to primary key.
`EntityIndex<PK,E>` | `SecondaryIndex.subIndex(SK key)` Returns an index that maps primary key to entity for the subset of entities having a given secondary key (duplicates).

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