org.apache.avalon.excalibur.datasource.ids
Class AbstractDataSourceIdGenerator
java.lang.Object
org.apache.avalon.framework.logger.AbstractLogEnabled
org.apache.avalon.excalibur.datasource.ids.AbstractIdGenerator
org.apache.avalon.excalibur.datasource.ids.AbstractDataSourceIdGenerator
- All Implemented Interfaces:
- IdGenerator, Disposable, Initializable, Component, Configurable, LogEnabled, Serviceable, ThreadSafe
- Direct Known Subclasses:
- AbstractDataSourceBlockIdGenerator, SequenceIdGenerator
public abstract class AbstractDataSourceIdGenerator
- extends AbstractIdGenerator
- implements Serviceable, Configurable, Initializable, Disposable
- Since:
- 4.1
- Version:
- CVS $Revision: 1.4 $ $Date: 2004/02/28 11:47:17 $
- Author:
- Avalon Development Team
Fields inherited from interface org.apache.avalon.excalibur.datasource.ids.IdGenerator |
ROLE |
Method Summary |
void |
configure(Configuration configuration)
Called by the Container to configure the component. |
void |
dispose()
Called by the Container to dispose the component. |
protected Connection |
getConnection()
Allocates a connection for the caller. |
void |
initialize()
Called by the Container to initialize the component. |
void |
service(ServiceManager manager)
Called by the Container to tell the component which ComponentLocator
is controlling it. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
m_dataSource
protected DataSourceComponent m_dataSource
m_allocated
protected int m_allocated
- Number of allocated Ids remaining before another block must be allocated.
m_nextId
protected long m_nextId
AbstractDataSourceIdGenerator
public AbstractDataSourceIdGenerator()
getConnection
protected Connection getConnection()
throws SQLException
- Allocates a connection for the caller. The connection must be closed by the caller
when no longer needed.
- Returns:
- an open DB connection.
- Throws:
SQLException
- if the connection can not be obtained for any reason.
service
public void service(ServiceManager manager)
throws ServiceException
- Called by the Container to tell the component which ComponentLocator
is controlling it.
- Specified by:
service
in interface Serviceable
- Parameters:
manager
- which curently owns the component.
- Throws:
ServiceException
configure
public void configure(Configuration configuration)
throws ConfigurationException
- Called by the Container to configure the component.
- Specified by:
configure
in interface Configurable
- Parameters:
configuration
- configuration info used to setup the component.
- Throws:
ConfigurationException
- if there are any problems with the configuration.
initialize
public void initialize()
throws Exception
- Called by the Container to initialize the component.
- Specified by:
initialize
in interface Initializable
- Throws:
Exception
- if there were any problems durring initialization.
dispose
public void dispose()
- Called by the Container to dispose the component.
- Specified by:
dispose
in interface Disposable
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