## Uses of Class
com.sleepycat.persist.PrimaryIndex

- Packages that use PrimaryIndex
  Package | Description
  --- | ---
  com.sleepycat.persist | The Direct Persistence Layer (DPL) adds a persistent object model to the Berkeley DB transactional engine.
  com.sleepycat.persist.raw | Raw data access for general purpose tools and manual conversions.

- - ### Uses of PrimaryIndex in com.sleepycat.persist

    Methods in com.sleepycat.persist that return PrimaryIndex
    Modifier and Type | Method | Description
    --- | --- | ---
    `<PK,​E> PrimaryIndex<PK,​E>` | EntityStore.`getPrimaryIndex​(java.lang.Class<PK> primaryKeyClass, java.lang.Class<E> entityClass)` | Returns the primary index for a given entity class, opening it if necessary.
    `PrimaryIndex<PK,​E>` | SecondaryIndex.`getPrimaryIndex()` | Returns the primary index associated with this secondary index.

    Methods in com.sleepycat.persist with parameters of type PrimaryIndex
    Modifier and Type | Method | Description
    --- | --- | ---
    `<SK,​PK,​E> SecondaryIndex<SK,​PK,​E>` | EntityStore.`getSecondaryIndex​(PrimaryIndex<PK,​E> primaryIndex, java.lang.Class<SK> keyClass, java.lang.String keyName)` | Returns a secondary index for a given primary index and secondary key, opening it if necessary.
    `<SK,​PK,​E1,​E2 extends E1> SecondaryIndex<SK,​PK,​E2>` | EntityStore.`getSubclassIndex​(PrimaryIndex<PK,​E1> primaryIndex, java.lang.Class<E2> entitySubclass, java.lang.Class<SK> keyClass, java.lang.String keyName)` | Returns a secondary index for a secondary key in an entity subclass, opening it if necessary.

    Constructors in com.sleepycat.persist with parameters of type PrimaryIndex
    Constructor | Description
    --- | ---
    `EntityJoin​(PrimaryIndex<PK,​E> index)` | Creates a join object for a given primary index.
    `SecondaryIndex​(SecondaryDatabase database, Database keysDatabase, PrimaryIndex<PK,​E> primaryIndex, java.lang.Class<SK> secondaryKeyClass, EntryBinding<SK> secondaryKeyBinding)` | Creates a secondary index without using an `EntityStore`.

  - ### Uses of PrimaryIndex in com.sleepycat.persist.raw

    Methods in com.sleepycat.persist.raw that return PrimaryIndex
    Modifier and Type | Method | Description
    --- | --- | ---
    `PrimaryIndex<java.lang.Object,​RawObject>` | RawStore.`getPrimaryIndex​(java.lang.String entityClass)` | Opens the primary index for a given entity class.

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