Package org.dellroad.stuff.schema

Class SchemaUpdatingDataSource

java.lang.Object

org.dellroad.stuff.schema.AbstractUpdatingDataSource

org.dellroad.stuff.schema.SchemaUpdatingDataSource

All Implemented Interfaces:

Wrapper, CommonDataSource, DataSource

public class SchemaUpdatingDataSource
extends AbstractUpdatingDataSource

A DataSource that wraps an inner DataSource and automatically intializes and updates the database schema using a SQLSchemaUpdater on first access.

See Also:

• SQLSchemaUpdater

Constructor Summary

Constructors

Constructor	Description
SchemaUpdatingDataSource()

Method Summary

Modifier and Type	Method	Description
void	setSchemaUpdater(SQLSchemaUpdater schemaUpdater)	Configure the SQLSchemaUpdater that will initialize and update the database.
protected void	updateDataSource(DataSource dataSource)	Update the inner DataSource.

Methods inherited from class org.dellroad.stuff.schema.AbstractUpdatingDataSource

getConnection, getConnection, getInnerDataSource, getLoginTimeout, getLogWriter, getParentLogger, getUpdateCompleteFuture, getUpdatedDataSource, isAsynchronous, isUpdated, isWrapperFor, setAsynchronous, setDataSource, setLoginTimeout, setLogWriter, triggerUpdate, triggerUpdate, unwrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.sql.CommonDataSource

createShardingKeyBuilder

Methods inherited from interface javax.sql.DataSource

createConnectionBuilder

Constructor Details

SchemaUpdatingDataSource

public SchemaUpdatingDataSource()

Method Details

setSchemaUpdater

public void setSchemaUpdater(SQLSchemaUpdater schemaUpdater)

Configure the SQLSchemaUpdater that will initialize and update the database. Required property.

Parameters:

schemaUpdater - schema updater

updateDataSource

protected void updateDataSource(DataSource dataSource)
                         throws SQLException

Description copied from class: AbstractUpdatingDataSource

Update the inner DataSource.

This method will be invoked at most once.

Specified by:

updateDataSource in class AbstractUpdatingDataSource

Parameters:

dataSource - the DataSource to update

Throws:

SQLException - if the update attempt fails