org.apache.avalon.excalibur.datasource.ids
Interface IdGenerator

All Superinterfaces:

org.apache.avalon.framework.component.Component

All Known Implementing Classes:

AbstractDataSourceBlockIdGenerator, AbstractDataSourceIdGenerator, AbstractIdGenerator, SequenceIdGenerator, TableIdGenerator

public interface IdGenerator
extends org.apache.avalon.framework.component.Component

Since:

4.1

Version:

CVS $Revision: 1.4 $ $Date: 2004/02/28 11:47:17 $

Author:

Avalon Development Team

Field Summary

static java.lang.String

ROLE The name of the role for convenience

Method Summary

java.math.BigDecimal	getNextBigDecimalId() Returns the next Id from the pool.
byte	getNextByteId() Returns the next Id from the pool.
int	getNextIntegerId() Returns the next Id from the pool.
long	getNextLongId() Returns the next Id from the pool.
short	getNextShortId() Returns the next Id from the pool.

Field Detail

ROLE

static final java.lang.String ROLE

The name of the role for convenience

Method Detail

getNextBigDecimalId

java.math.BigDecimal getNextBigDecimalId()
                                         throws IdException

Returns the next Id from the pool.

Returns:

the next Id.

Throws:

IdException

getNextLongId

long getNextLongId()
                   throws IdException

Returns the next Id from the pool.

Returns:

the next Id.

Throws:

java.lang.IllegalStateException - if the next id is outside of the range of valid longs.

IdException

getNextIntegerId

int getNextIntegerId()
                     throws IdException

Returns the next Id from the pool.

Returns:

the next Id.

Throws:

java.lang.IllegalStateException - if the next id is outside of the range of valid integers.

IdException

getNextShortId

short getNextShortId()
                     throws IdException

Returns the next Id from the pool.

Returns:

the next Id.

Throws:

java.lang.IllegalStateException - if the next id is outside of the range of valid shorts.

IdException

getNextByteId

byte getNextByteId()
                   throws IdException

Returns the next Id from the pool.

Returns:

the next Id.

Throws:

java.lang.IllegalStateException - if the next id is outside of the range of valid bytes.

IdException