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

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org.jboss.ejb.plugins.cmp.jdbc2.schema
Class TableCache

java.lang.Object
  org.jboss.mx.util.JBossNotificationBroadcasterSupport
      org.jboss.system.ServiceMBeanSupport
          org.jboss.ejb.plugins.cmp.jdbc2.schema.TableCache

All Implemented Interfaces:

Cache, javax.management.MBeanRegistration, javax.management.NotificationBroadcaster, javax.management.NotificationEmitter, org.jboss.system.Service, org.jboss.system.ServiceMBean, TableCacheMBean

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public class TableCache

extends org.jboss.system.ServiceMBeanSupport

implements Cache, TableCacheMBean

Simple LRU cache. Items are evicted when maxCapacity is exceeded.

Version:

$Revision: 1.8.4.2 $

Author:

Alexey Loubyansky

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Nested Class Summary

 

Nested classes inherited from class org.jboss.ejb.plugins.cmp.jdbc2.schema.Cache

Cache.CacheLoader, Cache.Listener, Cache.RemoveException

 

Field Summary

 

Fields inherited from class org.jboss.system.ServiceMBeanSupport

log, server, SERVICE_CONTROLLER_SIG, serviceName

 

Fields inherited from interface org.jboss.ejb.plugins.cmp.jdbc2.schema.Cache

NONE

 

Fields inherited from interface org.jboss.system.ServiceMBean

CREATE_EVENT, CREATED, DESTROY_EVENT, DESTROYED, FAILED, REGISTERED, START_EVENT, STARTED, STARTING, states, STOP_EVENT, STOPPED, STOPPING, UNREGISTERED

 

Constructor Summary

TableCache(Element conf)

TableCache(int partitionIndex, int initialCapacity, int maxCapacity)

 

Method Summary
boolean	contains(Transaction tx, Object pk)
void	flush()
Object[]	getFields(Object pk)
int	getMaxCapacity()
int	getMinCapacity()
Object[]	getRelations(Object pk)
void	lock()
void	lock(Object key)
void	lockForUpdate(Transaction tx, Object pk)
void	put(Transaction tx, Object pk, Object[] fields, Object[] relations)
void	registerListener(Cache.Listener listener)
void	releaseLock(Transaction tx, Object pk)
void	remove(Transaction tx, Object pk)
void	setMaxCapacity(int maxCapacity)
int	size()
String	toString()
void	unlock()
void	unlock(Object key)

 

Methods inherited from class org.jboss.system.ServiceMBeanSupport

create, createService, destroy, destroyService, getLog, getName, getNextNotificationSequenceNumber, getObjectName, getServer, getServiceName, getState, getStateString, jbossInternalCreate, jbossInternalDescription, jbossInternalDestroy, jbossInternalLifecycle, jbossInternalStart, jbossInternalStop, postDeregister, postRegister, preDeregister, preRegister, start, startService, stop, stopService

 

Methods inherited from class org.jboss.mx.util.JBossNotificationBroadcasterSupport

addNotificationListener, getNotificationInfo, handleNotification, removeNotificationListener, removeNotificationListener, sendNotification

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.jboss.system.ServiceMBean

getName, getState, getStateString, jbossInternalLifecycle

 

Methods inherited from interface org.jboss.system.Service

create, destroy, start, stop

 

Constructor Detail

TableCache

public TableCache(int partitionIndex,
                  int initialCapacity,
                  int maxCapacity)

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TableCache

public TableCache(Element conf)
           throws org.jboss.deployment.DeploymentException

Method Detail

registerListener

public void registerListener(Cache.Listener listener)

Specified by:

registerListener in interface TableCacheMBean

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size

public int size()

Specified by:

size in interface TableCacheMBean

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getMaxCapacity

public int getMaxCapacity()

Specified by:

getMaxCapacity in interface TableCacheMBean

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setMaxCapacity

public void setMaxCapacity(int maxCapacity)

Specified by:

setMaxCapacity in interface TableCacheMBean

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getMinCapacity

public int getMinCapacity()

Specified by:

getMinCapacity in interface TableCacheMBean

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lock

public void lock()

Specified by:

lock in interface Cache

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lock

public void lock(Object key)

Specified by:

lock in interface Cache

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unlock

public void unlock()

Specified by:

unlock in interface Cache

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unlock

public void unlock(Object key)

Specified by:

unlock in interface Cache

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getFields

public Object[] getFields(Object pk)

Specified by:

getFields in interface Cache

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getRelations

public Object[] getRelations(Object pk)

Specified by:

getRelations in interface Cache

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put

public void put(Transaction tx,
                Object pk,
                Object[] fields,
                Object[] relations)

Specified by:

put in interface Cache

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remove

public void remove(Transaction tx,
                   Object pk)

Specified by:

remove in interface Cache

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contains

public boolean contains(Transaction tx,
                        Object pk)

Specified by:

contains in interface Cache

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lockForUpdate

public void lockForUpdate(Transaction tx,
                          Object pk)
                   throws Exception

Specified by:

lockForUpdate in interface Cache

Throws:

Exception

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releaseLock

public void releaseLock(Transaction tx,
                        Object pk)
                 throws Exception

Specified by:

releaseLock in interface Cache

Throws:

Exception

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flush

public void flush()

Specified by:

flush in interface Cache

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toString

public String toString()

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