Package com.sleepycat.persist.model

## Class PrimaryKeyMetadata

- java.lang.Object
- - com.sleepycat.persist.model.FieldMetadata
  - - com.sleepycat.persist.model.PrimaryKeyMetadata

All Implemented Interfaces:
  `java.io.Serializable`

    public class PrimaryKeyMetadata
    extends FieldMetadata

The metadata for a primary key field. A primary key may be specified with the `PrimaryKey` annotation.

`PrimaryKeyMetadata` objects are thread-safe. Multiple threads may safely call the methods of a shared `PrimaryKeyMetadata` object.

See Also:
  Serialized Form

### Constructor Summary

Constructors
`PrimaryKeyMetadata​(java.lang.String name, java.lang.String className, java.lang.String declaringClassName, java.lang.String sequenceName)` Used by an `EntityModel` to construct primary key metadata.

### Method Summary

All Methods Instance Methods Concrete Methods
`boolean` `equals​(java.lang.Object other)`
`java.lang.String` `getSequenceName()` Returns the name of the sequence for assigning key values.
`int` `hashCode()`

### Methods inherited from class com.sleepycat.persist.model.FieldMetadata

`getClassName, getDeclaringClassName, getName, toString`

### Methods inherited from class java.lang.Object

`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

### Constructor Detail

#### PrimaryKeyMetadata

    public PrimaryKeyMetadata​(java.lang.String name,
                              java.lang.String className,
                              java.lang.String declaringClassName,
                              java.lang.String sequenceName)

Used by an `EntityModel` to construct primary key metadata.

Parameters:
  `name` - the field name.
  `className` - the class name.
  `declaringClassName` - the name of the class where the field is declared.
  `sequenceName` - the sequence name.

### Method Detail

#### getSequenceName

    public java.lang.String getSequenceName()

Returns the name of the sequence for assigning key values. This may be specified using the `PrimaryKey.sequence()` annotation.

Returns:
  the sequence name.

#### equals

    public boolean equals​(java.lang.Object other)

Overrides:
  `equals` in class `FieldMetadata`

#### hashCode

    public int hashCode()

Overrides:
  `hashCode` in class `FieldMetadata`