DatabasePersistencePlugin (JBoss Server API) - JBoss 4.0.1 sp1 server API Documentation 英文版文档

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org.jboss.ejb.txtimer
Interface DatabasePersistencePlugin

All Known Implementing Classes:: GeneralPurposeDatabasePersistencePlugin

public interface DatabasePersistencePlugin

An implementation of of this interface provides database specific JDBC access that is not portable accros RDBMS systems.

Since:: 23-Sep-2004
Author:: Thomas.Diesler@jboss.org

Method Summary

void clearTimers()
          Clear all persisted timers

void createTableIfNotExists()
          Create the timers table if it does not exist already

void deleteTimer(String timerId, TimedObjectId timedObjectId)
          Delete a timer.

String getColumnInfo()
          Get the info column name

String getColumnInitialDate()
          Get the initial date column name

String getColumnInstancePK()
          Get the instance PK column name

String getColumnTargetID()
          Get the target ID column name

String getColumnTimerID()
          Get the timer ID column name

String getColumnTimerInterval()
          Get the timer interval column name

String getTableName()
          Get the timer table name

void init(javax.management.MBeanServer server, javax.management.ObjectName dataSource)
          Initialize the plugin

void insertTimer(String timerId, TimedObjectId timedObjectId, Date initialExpiration, long intervalDuration, Serializable info)
          Insert a timer object

List selectTimers()
          Select a list of currently persisted timer handles

Method Detail

init

public void init(javax.management.MBeanServer server,
                 javax.management.ObjectName dataSource)
          throws SQLException

Initialize the plugin

Throws:: SQLException

createTableIfNotExists

public void createTableIfNotExists()
                            throws SQLException

Create the timers table if it does not exist already

Throws:: SQLException

insertTimer

public void insertTimer(String timerId,
                        TimedObjectId timedObjectId,
                        Date initialExpiration,
                        long intervalDuration,
                        Serializable info)
                 throws SQLException

Insert a timer object

Throws:: SQLException

selectTimers

public List selectTimers()
                  throws SQLException

Select a list of currently persisted timer handles

Returns:: List
Throws:: SQLException

deleteTimer

public void deleteTimer(String timerId,
                        TimedObjectId timedObjectId)
                 throws SQLException

Delete a timer.

Throws:: SQLException

clearTimers

public void clearTimers()
                 throws SQLException

Clear all persisted timers

Throws:: SQLException

getTableName

public String getTableName()

Get the timer table name

getColumnTimerID

public String getColumnTimerID()

Get the timer ID column name

getColumnTargetID

public String getColumnTargetID()

Get the target ID column name

getColumnInitialDate

public String getColumnInitialDate()

Get the initial date column name

getColumnTimerInterval

public String getColumnTimerInterval()

Get the timer interval column name

getColumnInstancePK

public String getColumnInstancePK()

Get the instance PK column name

getColumnInfo

public String getColumnInfo()

Get the info column name