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MapDataSourceLookup (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.jdbc.datasource.lookup
Class MapDataSourceLookup

java.lang.Object
  org.springframework.jdbc.datasource.lookup.MapDataSourceLookup

All Implemented Interfaces:

DataSourceLookup

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public class MapDataSourceLookup
extends Object
implements DataSourceLookup

Simple DataSourceLookup implementation that relies on a map for doing lookups.

Useful for testing environments or applications that need to match arbitrary String names to target DataSource objects.

Since:

2.0

Author:

Costin Leau, Juergen Hoeller, Rick Evans

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Constructor Summary
MapDataSourceLookup()           Create a new instance of the MapDataSourceLookup class.
MapDataSourceLookup(Map dataSources)           Create a new instance of the MapDataSourceLookup class.
MapDataSourceLookup(String dataSourceName, DataSource dataSource)           Create a new instance of the MapDataSourceLookup class.

 

Method Summary
void	addDataSource(String dataSourceName, DataSource dataSource)           Add the supplied DataSource to the map of DataSources maintained by this object.
DataSource	getDataSource(String dataSourceName)           Retrieve the DataSource identified by the given name.
Map	getDataSources()           Get the Map of DataSources maintained by this object.
void	setDataSources(Map dataSources)           Set the Map of DataSources; the keys are Strings, the values are actual DataSource instances.

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

MapDataSourceLookup

public MapDataSourceLookup()

Create a new instance of the MapDataSourceLookup class.

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MapDataSourceLookup

public MapDataSourceLookup(Map dataSources)

Create a new instance of the MapDataSourceLookup class.

Parameters:

dataSources - the Map of DataSources; the keys are Strings, the values are actual DataSource instances.

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MapDataSourceLookup

public MapDataSourceLookup(String dataSourceName,
                           DataSource dataSource)

Create a new instance of the MapDataSourceLookup class.

Parameters:

dataSourceName - the name under which the supplied DataSource is to be added

dataSource - the DataSource to be added

Method Detail

setDataSources

public void setDataSources(Map dataSources)

Set the Map of DataSources; the keys are Strings, the values are actual DataSource instances.

If the supplied Map is null, then this method call effectively has no effect.

Parameters:

dataSources - said Map of DataSources

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getDataSources

public Map getDataSources()

Get the Map of DataSources maintained by this object.

The returned Map is unmodifiable.

Returns:

said Map of DataSources (never null)

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addDataSource

public void addDataSource(String dataSourceName,
                          DataSource dataSource)

Add the supplied DataSource to the map of DataSources maintained by this object.

Parameters:

dataSourceName - the name under which the supplied DataSource is to be added

dataSource - the DataSource to be so added

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getDataSource

public DataSource getDataSource(String dataSourceName)
                         throws DataSourceLookupFailureException

Description copied from interface: DataSourceLookup

Retrieve the DataSource identified by the given name.

Specified by:

getDataSource in interface DataSourceLookup

Parameters:

dataSourceName - the name of the DataSource

Returns:

the DataSource (never null)

Throws:

DataSourceLookupFailureException - if the lookup failed

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