PrimaryKeyMetadata (JDO API 3.2.1-SNAPSHOT API)

All Superinterfaces:

Metadata
```
public interface PrimaryKeyMetadata
extends Metadata
```
Represents the primary key definition of a class.

Since:

3.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getColumn()`	Accessor for the PK column name.
`ColumnMetadata[]`	`getColumns()`	Accessor for all column(s) defined on the PK.
`String`	`getName()`	Accessor for the name of the PK constraint.
`int`	`getNumberOfColumns()`	Accessor for the number of columns defined for this PK.
`ColumnMetadata`	`newColumnMetadata()`	Add a new column for this PK.
`PrimaryKeyMetadata`	`setColumn(String column)`	Method to set the PK column name.
`PrimaryKeyMetadata`	`setName(String name)`	Method to set the name of the PK constraint.

Methods inherited from interface javax.jdo.metadata.Metadata
getExtensions, getNumberOfExtensions, getParent, newExtensionMetadata

- Method Detail
  - setName
```
PrimaryKeyMetadata setName(String name)
```
    Method to set the name of the PK constraint.
    
    Parameters:
    
    name - Name of the PK constraint
    
    Returns:
    
    The PK metadata
  - getName
```
String getName()
```
    Accessor for the name of the PK constraint.
    
    Returns:
    
    The PK constraint name
  - setColumn
```
PrimaryKeyMetadata setColumn(String column)
```
    Method to set the PK column name.
    
    Parameters:
    
    column - Name of the PK column
    
    Returns:
    
    The PK metadata
  - getColumn
```
String getColumn()
```
    Accessor for the PK column name.
    
    Returns:
    
    The column name
  - getColumns
```
ColumnMetadata[] getColumns()
```
    Accessor for all column(s) defined on the PK.
    
    Returns:
    
    The column(s)
  - newColumnMetadata
```
ColumnMetadata newColumnMetadata()
```
    Add a new column for this PK.
    
    Returns:
    
    The ColumnMetadata
  - getNumberOfColumns
```
int getNumberOfColumns()
```
    Accessor for the number of columns defined for this PK.
    
    Returns:
    
    The number of columns