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:
- org.apache.avalon.framework.component.Component, org.apache.avalon.framework.configuration.Configurable, org.apache.avalon.framework.activity.Disposable, IdGenerator, org.apache.avalon.framework.activity.Initializable, org.apache.avalon.framework.logger.LogEnabled, org.apache.avalon.framework.service.Serviceable, org.apache.avalon.framework.thread.ThreadSafe
- Direct Known Subclasses:
- AbstractDataSourceBlockIdGenerator, SequenceIdGenerator
- public abstract class AbstractDataSourceIdGenerator
- extends AbstractIdGenerator
- implements org.apache.avalon.framework.service.Serviceable, org.apache.avalon.framework.configuration.Configurable, org.apache.avalon.framework.activity.Initializable, org.apache.avalon.framework.activity.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(org.apache.avalon.framework.configuration.Configuration configuration)
Called by the Container to configure the component. |
void |
dispose()
Called by the Container to dispose the component. |
protected java.sql.Connection |
getConnection()
Allocates a connection for the caller. |
void |
initialize()
Called by the Container to initialize the component. |
void |
service(org.apache.avalon.framework.service.ServiceManager manager)
Called by the Container to tell the component which ComponentLocator
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 |
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 java.sql.Connection getConnection()
throws java.sql.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:
java.sql.SQLException
- if the connection can not be obtained for any reason.
service
public void service(org.apache.avalon.framework.service.ServiceManager manager)
throws org.apache.avalon.framework.service.ServiceException
- Called by the Container to tell the component which ComponentLocator
is controlling it.
- Specified by:
service
in interface org.apache.avalon.framework.service.Serviceable
- Parameters:
manager
- which curently owns the component.
- Throws:
org.apache.avalon.framework.service.ServiceException
configure
public void configure(org.apache.avalon.framework.configuration.Configuration configuration)
throws org.apache.avalon.framework.configuration.ConfigurationException
- Called by the Container to configure the component.
- Specified by:
configure
in interface org.apache.avalon.framework.configuration.Configurable
- Parameters:
configuration
- configuration info used to setup the component.
- Throws:
org.apache.avalon.framework.configuration.ConfigurationException
- if there are any problems with the configuration.
initialize
public void initialize()
throws java.lang.Exception
- Called by the Container to initialize the component.
- Specified by:
initialize
in interface org.apache.avalon.framework.activity.Initializable
- Throws:
java.lang.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 org.apache.avalon.framework.activity.Disposable
Copyright © 2003-2007 Apache Software Foundation. All Rights Reserved.