org.apache.openjpa.persistence

Interface Generator

All Known Implementing Classes:

GeneratorImpl

public interface Generator

Represents a store sequence.

Since:

0.4.1

Author:

Abe White

Field Summary

Fields

Modifier and Type	Field and Description
static String	UUID_HEX
static String	UUID_STRING
static String	UUID_TYPE4_HEX
static String	UUID_TYPE4_STRING

Method Summary

Methods

Modifier and Type	Method and Description
void	allocate(int additional) Hint to the sequence to allocate additional values up-front for efficiency.
Object	current() The current sequence value, or null if the sequence does not support current values.
Seq	getDelegate() Deprecated. cast to GeneratorImpl instead. This method pierces the published-API boundary, as does the SPI cast.
String	getName() The sequence name.
Object	next() The next sequence value.

Field Detail

UUID_HEX

static final String UUID_HEX

See Also:

Constant Field Values

UUID_STRING

static final String UUID_STRING

See Also:

Constant Field Values

UUID_TYPE4_STRING

static final String UUID_TYPE4_STRING

See Also:

Constant Field Values

UUID_TYPE4_HEX

static final String UUID_TYPE4_HEX

See Also:

Constant Field Values

Method Detail

getName

String getName()

The sequence name.

next

Object next()

The next sequence value.

current

Object current()

The current sequence value, or null if the sequence does not support current values.

allocate

void allocate(int additional)

Hint to the sequence to allocate additional values up-front for efficiency.

getDelegate

Seq getDelegate()

Deprecated. cast to GeneratorImpl instead. This method pierces the published-API boundary, as does the SPI cast.