org.tango.server.cache

Class TangoCacheManager

java.lang.Object

org.tango.server.cache.TangoCacheManager

public final class TangoCacheManager
extends Object

Manage cache for attributes/commands of a Tango device

Author:

ABEILLE

Constructor Summary

Constructors

Constructor and Description
TangoCacheManager(String deviceName, DeviceLocker deviceLock, AroundInvokeImpl aroundInvoke)

Method Summary

Modifier and Type	Method and Description
net.sf.ehcache.constructs.blocking.SelfPopulatingCache	getAttributeCache(AttributeImpl attr) Get cache of an attribute
net.sf.ehcache.constructs.blocking.SelfPopulatingCache	getCommandCache(CommandImpl cmd) Get cache of a command
static List<String>	getPolledDevices()
static int	getPoolSize()
static void	initPoolConf() Retrieve the ordered list of polled devices
void	removeAll() Remove all polling
void	removeAttributePolling(AttributeImpl attr) Remove polling of an attribute
void	removeCommandPolling(CommandImpl command) Remove polling of a command
static void	setPollSize(int poolSize)
static void	shutdown()
void	start() Start all polling
void	startAttributePolling(AttributeImpl attr) Start attribute polling
void	startCommandPolling(CommandImpl command) Start command polling
void	startStateStatusPolling(CommandImpl command, AttributeImpl attribute)
void	stop() Stop all polling

Methods inherited from class java.lang.Object

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

Constructor Detail

TangoCacheManager

public TangoCacheManager(String deviceName,
                         DeviceLocker deviceLock,
                         AroundInvokeImpl aroundInvoke)

Method Detail

shutdown

public static void shutdown()

initPoolConf

public static void initPoolConf()
                         throws fr.esrf.Tango.DevFailed

Retrieve the ordered list of polled devices

Throws:

fr.esrf.Tango.DevFailed

setPollSize

public static void setPollSize(int poolSize)

getPoolSize

public static int getPoolSize()

getPolledDevices

public static List<String> getPolledDevices()

startStateStatusPolling

public void startStateStatusPolling(CommandImpl command,
                                    AttributeImpl attribute)

startCommandPolling

public void startCommandPolling(CommandImpl command)
                         throws fr.esrf.Tango.DevFailed

Start command polling

Parameters:

command - The command to poll

Throws:

fr.esrf.Tango.DevFailed

startAttributePolling

public void startAttributePolling(AttributeImpl attr)
                           throws fr.esrf.Tango.DevFailed

Start attribute polling

Parameters:

attr - The attribute to poll

Throws:

fr.esrf.Tango.DevFailed

removeAttributePolling

public void removeAttributePolling(AttributeImpl attr)
                            throws fr.esrf.Tango.DevFailed

Remove polling of an attribute

Parameters:

attr -

Throws:

fr.esrf.Tango.DevFailed

removeAll

public void removeAll()

Remove all polling

removeCommandPolling

public void removeCommandPolling(CommandImpl command)
                          throws fr.esrf.Tango.DevFailed

Remove polling of a command

Parameters:

command -

Throws:

fr.esrf.Tango.DevFailed

start

public void start()

Start all polling

stop

public void stop()

Stop all polling

getAttributeCache

public net.sf.ehcache.constructs.blocking.SelfPopulatingCache getAttributeCache(AttributeImpl attr)
                                                                         throws org.tango.server.cache.NoCacheFoundException

Get cache of an attribute

Parameters:

attr - the attribute

Returns:

the attribute cache

Throws:

NoCacheFoundException - if cache for the attribute is not found

getCommandCache

public net.sf.ehcache.constructs.blocking.SelfPopulatingCache getCommandCache(CommandImpl cmd)

Get cache of a command

Parameters:

cmd - The command

Returns:

The command cache