org.jpu.patterns.serviceLocator
Class DataSourceLocator

java.lang.Object
  org.jpu.patterns.serviceLocator.Locator
      org.jpu.patterns.serviceLocator.DataSourceLocator

All Implemented Interfaces:

IDataSourceLocator, ILocator

Direct Known Subclasses:

DataSourceLocator

public class DataSourceLocator

extends Locator

implements IDataSourceLocator

Subclass of Locator specialized for DataSource's. See that class' documentation for more information.

Nested Class Summary

Nested classes inherited from class org.jpu.patterns.serviceLocator.Locator

Locator.DefaultIdentifierParser, Locator.DefaultLookupStrategy, Locator.DefaultNarrowStrategy, Locator.NullCache

Nested classes inherited from class org.jpu.patterns.serviceLocator.ILocator

ILocator.ICache, ILocator.IIdentifierParser, ILocator.ILookupStrategy, ILocator.INarrowStrategy

Constructor Summary

DataSourceLocator()

Method Summary

javax.sql.DataSource	getDataSource(java.lang.String dataSourceNamingIdentifier)
javax.sql.DataSource	getDataSource(java.lang.String dataSourceNamingIdentifier, java.lang.Class c)
javax.sql.DataSource	getDataSource(java.lang.String dataSourceNamingIdentifier, ServiceLocatorOptions options)
java.lang.Class	getDefaultCast() By default returns null, but subclasses can override to return the Class that should be passed as the second parameter to Locator.narrow(Object,Class) if no class is passed via the castTo attribute of the ServiceLocatorOptions instance.

Methods inherited from class org.jpu.patterns.serviceLocator.Locator

clearCache, getCache, getLookupStrategy, getNarrowStrategy, getObject, getObject, getObject, lookup, narrow, narrow, newCache, newIdentifier, newLookupStrategy, newNarrowStrategy, removeFromCache, setCache, setLookupStrategy, setNarrowStrategy

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jpu.patterns.serviceLocator.ILocator

clearCache, getCache, getLookupStrategy, getNarrowStrategy, getObject, getObject, getObject, narrow, narrow, newCache, newLookupStrategy, newNarrowStrategy, removeFromCache, setCache, setLookupStrategy, setNarrowStrategy

Constructor Detail

DataSourceLocator

public DataSourceLocator()

Method Detail

getDefaultCast

public java.lang.Class getDefaultCast()

Description copied from interface: ILocator

By default returns null, but subclasses can override to return the Class that should be passed as the second parameter to ILocator.narrow(Object,Class) if no class is passed via the castTo attribute of the ServiceLocatorOptions instance. If both castTo and the return value of this method are null, no cast is performed.

Specified by:

getDefaultCast in interface ILocator

Overrides:

getDefaultCast in class Locator

getDataSource

public javax.sql.DataSource getDataSource(java.lang.String dataSourceNamingIdentifier)
                                   throws ServiceLocatorException

Specified by:

getDataSource in interface IDataSourceLocator

Throws:

ServiceLocatorException

getDataSource

public javax.sql.DataSource getDataSource(java.lang.String dataSourceNamingIdentifier,
                                          java.lang.Class c)
                                   throws ServiceLocatorException

Specified by:

getDataSource in interface IDataSourceLocator

Throws:

ServiceLocatorException

getDataSource

public javax.sql.DataSource getDataSource(java.lang.String dataSourceNamingIdentifier,
                                          ServiceLocatorOptions options)
                                   throws ServiceLocatorException

Specified by:

getDataSource in interface IDataSourceLocator

Throws:

ServiceLocatorException