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java.lang.Object org.apache.avalon.framework.logger.AbstractLogEnabled org.apache.avalon.examples.jdbcdatasource.DefaultHelloDBService
This example application creates a conmponent which makes use of a JdbcDataSource to connect to a Hypersonic SQL database. It then adds a row to a table that it creates displaying a list of all the rows in the table. Note, this code ignores exceptions to keep the code simple.
Field Summary |
Fields inherited from interface org.apache.avalon.examples.jdbcdatasource.HelloDBService |
ROLE |
Constructor Summary | |
DefaultHelloDBService()
Instantiate a DefaultHelloDBService |
Method Summary | |
void |
addRow(java.lang.String title)
Adds a single row to the database. |
void |
configure(Configuration configuration)
Called by the Container to configure the component. |
void |
deleteRows()
Ask the component to delete all rows in the database. |
void |
dispose()
Called by the Container to dispose the component. |
void |
initialize()
Called by the Container to initialize the component. |
void |
logRows()
Ask the component to log all of the rows in the database to the logger with the info log level. |
void |
service(ServiceManager manager)
Called by the Container to tell the component which ComponentManager is controlling it. |
Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled |
enableLogging, getLogger, setupLogger, setupLogger, setupLogger |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public DefaultHelloDBService()
Method Detail |
public void addRow(java.lang.String title)
addRow
in interface HelloDBService
title
- The row titlepublic void deleteRows()
deleteRows
in interface HelloDBService
public void logRows()
logRows
in interface HelloDBService
public void service(ServiceManager manager) throws ServiceException
service
in interface Serviceable
manager
- which curently owns the component.
ServiceException
- if an error occurspublic void configure(Configuration configuration) throws ConfigurationException
configure
in interface Configurable
configuration
- configuration info used to setup the component.
ConfigurationException
- if there are any problems with the configuration.public void initialize() throws java.lang.Exception
initialize
in interface Initializable
java.lang.Exception
- if there were any problems durring initialization.public void dispose()
dispose
in interface Disposable
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