类 AbstractSequenceMaxValueIncrementer
- java.lang.Object
- org.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer
- org.springframework.jdbc.support.incrementer.AbstractSequenceMaxValueIncrementer
- 所有已实现的接口:
InitializingBean
,DataFieldMaxValueIncrementer
- 直接已知子类:
Db2LuwMaxValueIncrementer
,Db2MainframeMaxValueIncrementer
,DB2MainframeSequenceMaxValueIncrementer
,H2SequenceMaxValueIncrementer
,HanaSequenceMaxValueIncrementer
,HsqlSequenceMaxValueIncrementer
,OracleSequenceMaxValueIncrementer
,PostgresSequenceMaxValueIncrementer
public abstract class AbstractSequenceMaxValueIncrementer extends AbstractDataFieldMaxValueIncrementer
Abstract base class forDataFieldMaxValueIncrementer
implementations that use a database sequence. Subclasses need to provide the database-specific SQL to use.- 从以下版本开始:
- 26.02.2004
- 作者:
- Juergen Hoeller
- 另请参阅:
getSequenceQuery()
字段概要
从类继承的字段 org.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer
paddingLength
构造器概要
构造器 构造器 说明 AbstractSequenceMaxValueIncrementer()
Default constructor for bean property style usage.AbstractSequenceMaxValueIncrementer(DataSource dataSource, String incrementerName)
Convenience constructor.
方法概要
所有方法 实例方法 抽象方法 具体方法 修饰符和类型 方法 说明 protected long
getNextKey()
Executes the SQL as specified bygetSequenceQuery()
.protected abstract String
getSequenceQuery()
Return the database-specific query to use for retrieving a sequence value.从类继承的方法 org.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer
afterPropertiesSet, getDataSource, getIncrementerName, getPaddingLength, nextIntValue, nextLongValue, nextStringValue, setDataSource, setIncrementerName, setPaddingLength
构造器详细资料
AbstractSequenceMaxValueIncrementer
public AbstractSequenceMaxValueIncrementer()
Default constructor for bean property style usage.
AbstractSequenceMaxValueIncrementer
public AbstractSequenceMaxValueIncrementer(DataSource dataSource, String incrementerName)
Convenience constructor.- 参数:
dataSource
- the DataSource to useincrementerName
- the name of the sequence/table to use
方法详细资料
getNextKey
protected long getNextKey() throws DataAccessException
Executes the SQL as specified bygetSequenceQuery()
.- 指定者:
getNextKey
在类中AbstractDataFieldMaxValueIncrementer
- 返回:
- the key to use as a long. It will eventually be converted later in another format by the public concrete methods of this class.
- 抛出:
DataAccessException
getSequenceQuery
protected abstract String getSequenceQuery()
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.