org.springframework.jdbc.support.incrementer

Class PostgresSequenceMaxValueIncrementer

java.lang.Object

org.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer

org.springframework.jdbc.support.incrementer.AbstractSequenceMaxValueIncrementer

org.springframework.jdbc.support.incrementer.PostgresSequenceMaxValueIncrementer

All Implemented Interfaces:

org.springframework.beans.factory.InitializingBean, DataFieldMaxValueIncrementer

Direct Known Subclasses:

PostgreSQLSequenceMaxValueIncrementer

public class PostgresSequenceMaxValueIncrementer
extends AbstractSequenceMaxValueIncrementer

DataFieldMaxValueIncrementer that retrieves the next value of a given PostgreSQL sequence.

Thanks to Tomislav Urban for the suggestion!

Since:

4.3.15

Author:

Juergen Hoeller

Field Summary

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

paddingLength

Constructor Summary

Constructors

Constructor and Description
PostgresSequenceMaxValueIncrementer() Default constructor for bean property style usage.
PostgresSequenceMaxValueIncrementer(DataSource dataSource, String incrementerName) Convenience constructor.

Method Summary

Modifier and Type	Method and Description
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

PostgresSequenceMaxValueIncrementer

public PostgresSequenceMaxValueIncrementer()

Default constructor for bean property style usage.

See Also:

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

PostgresSequenceMaxValueIncrementer

public PostgresSequenceMaxValueIncrementer(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