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java.lang.Objectorg.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer
org.springframework.jdbc.support.incrementer.AbstractSequenceMaxValueIncrementer
public abstract class AbstractSequenceMaxValueIncrementer
Abstract base class for DataFieldMaxValueIncrementer implementations that use
a database sequence. Subclasses need to provide the database-specific SQL to use.
getSequenceQuery()| Field Summary |
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| Fields inherited from class org.springframework.jdbc.support.incrementer.AbstractDataFieldMaxValueIncrementer |
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paddingLength |
| Constructor Summary | |
|---|---|
AbstractSequenceMaxValueIncrementer()
Default constructor for bean property style usage. |
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AbstractSequenceMaxValueIncrementer(DataSource dataSource,
String incrementerName)
Convenience constructor. |
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| Method Summary | |
|---|---|
protected long |
getNextKey()
Executes the SQL as specified by getSequenceQuery(). |
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 |
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afterPropertiesSet, getDataSource, getIncrementerName, getPaddingLength, nextIntValue, nextLongValue, nextStringValue, setDataSource, setIncrementerName, setPaddingLength |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public AbstractSequenceMaxValueIncrementer()
AbstractDataFieldMaxValueIncrementer.setDataSource(javax.sql.DataSource),
AbstractDataFieldMaxValueIncrementer.setIncrementerName(java.lang.String)
public AbstractSequenceMaxValueIncrementer(DataSource dataSource,
String incrementerName)
dataSource - the DataSource to useincrementerName - the name of the sequence/table to use| Method Detail |
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protected long getNextKey()
throws DataAccessException
getSequenceQuery().
getNextKey in class AbstractDataFieldMaxValueIncrementerDataAccessExceptionprotected abstract String getSequenceQuery()
The provided SQL is supposed to result in a single row with a single
column that allows for extracting a long value.
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