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

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org.jboss.ejb.txtimer
Class GeneralPurposeDatabasePersistencePlugin

java.lang.Object
  org.jboss.ejb.txtimer.GeneralPurposeDatabasePersistencePlugin

All Implemented Interfaces:: DatabasePersistencePlugin

Direct Known Subclasses:: OracleDatabasePersistencePlugin

public class GeneralPurposeDatabasePersistencePlugin
extends Object
implements DatabasePersistencePlugin

This DatabasePersistencePlugin uses getBytes/setBytes to persist the serializable objects associated with the timer.

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

Field Summary

protected javax.management.ObjectName dataSourceName


protected DataSource ds


protected javax.management.ObjectName metaDataName


protected javax.management.MBeanServer server


Constructor Summary

GeneralPurposeDatabasePersistencePlugin()


Method Summary

void clearTimers()
          Clear all persisted timers

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

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

protected Object deserialize(byte[] bytes)
          Deserialize an object

protected Object deserialize(InputStream input)
          Deserialize an object

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 dataSourceName)
          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

protected byte[] serialize(Object obj)
          Serialize an object

Methods inherited from class java.lang.Object

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

Field Detail

dataSourceName

protected javax.management.ObjectName dataSourceName

server

protected javax.management.MBeanServer server

ds

protected DataSource ds

metaDataName

protected javax.management.ObjectName metaDataName

Constructor Detail