org.springframework.jdbc.support.incrementer
Class AbstractSequenceMaxValueIncrementer

java.lang.Object
  org.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer
      org.springframework.jdbc.support.incrementer.AbstractSequenceMaxValueIncrementer

All Implemented Interfaces:

InitializingBean, DataFieldMaxValueIncrementer

Direct Known Subclasses:

DB2SequenceMaxValueIncrementer, H2SequenceMaxValueIncrementer, HsqlSequenceMaxValueIncrementer, OracleSequenceMaxValueIncrementer, PostgreSQLSequenceMaxValueIncrementer

public abstract class AbstractSequenceMaxValueIncrementer
extends AbstractDataFieldMaxValueIncrementer

Abstract base class for incrementers that use a database sequence. Subclasses need to provide the database-specific SQL to use.

Since:

26.02.2004

Author:

Juergen Hoeller

See Also:

getSequenceQuery()

Field Summary

Fields inherited from class org.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer

paddingLength

Constructor Summary

AbstractSequenceMaxValueIncrementer()

Method Summary

protected long	getNextKey() Determine the next key to use, as a long.
protected abstract String	getSequenceQuery() Return the database-specific query to use for retrieving a sequence value.

Methods inherited from class org.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer

afterPropertiesSet, getDataSource, getIncrementerName, getPaddingLength, nextIntValue, nextLongValue, nextStringValue, setDataSource, setIncrementerName, setPaddingLength

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractSequenceMaxValueIncrementer

public AbstractSequenceMaxValueIncrementer()

Method Detail

getNextKey

protected long getNextKey()
                   throws DataAccessException

Description copied from class: AbstractDataFieldMaxValueIncrementer

Determine the next key to use, as a long.

Specified by:

getNextKey in class AbstractDataFieldMaxValueIncrementer

Returns:

the key to use as a long. It will eventually be converted later in another format by the public concrete methods of this class.

Throws:

DataAccessException

getSequenceQuery

protected abstract String getSequenceQuery()

Return the database-specific query to use for retrieving a sequence value.