org.springframework.jdbc.support.incrementer
Class PostgreSQLSequenceMaxValueIncrementer

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

All Implemented Interfaces:

InitializingBean, DataFieldMaxValueIncrementer

public class PostgreSQLSequenceMaxValueIncrementer
extends AbstractSequenceMaxValueIncrementer

DataFieldMaxValueIncrementer that retrieves the next value of a given PostgreSQL sequence. Thanks to Tomislav Urban for the suggestion!

Author:

Juergen Hoeller

Field Summary

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

paddingLength

Constructor Summary

PostgreSQLSequenceMaxValueIncrementer()
Default constructor for bean property style usage.

PostgreSQLSequenceMaxValueIncrementer(DataSource dataSource, String incrementerName)
Convenience constructor.

Method Summary

protected String

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

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

getNextKey

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

PostgreSQLSequenceMaxValueIncrementer

public PostgreSQLSequenceMaxValueIncrementer()

Default constructor for bean property style usage.

See Also:

AbstractDataFieldMaxValueIncrementer.setDataSource(javax.sql.DataSource), AbstractDataFieldMaxValueIncrementer.setIncrementerName(java.lang.String)

PostgreSQLSequenceMaxValueIncrementer

public PostgreSQLSequenceMaxValueIncrementer(DataSource dataSource,
                                             String incrementerName)

Convenience constructor.

Parameters:

dataSource - the DataSource to use

incrementerName - the name of the sequence/table to use

Method Detail

getSequenceQuery

protected String getSequenceQuery()

Description copied from class: AbstractSequenceMaxValueIncrementer

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

The provided SQL is supposed to result in a single row with a single column that allows for extracting a long value.

Specified by:

getSequenceQuery in class AbstractSequenceMaxValueIncrementer