org.tango.server.cache

Class PollingManager

java.lang.Object

org.tango.server.cache.PollingManager

public final class PollingManager
extends Object

Manage all polling stuff of a device

Author:

ABEILLE

Constructor Summary

Constructors

Constructor and Description
PollingManager(String deviceName, TangoCacheManager cacheManager, List<AttributeImpl> attributeList, List<CommandImpl> commandList, int minPolling, Map<String,Integer> minCommandPolling, Map<String,Integer> minAttributePolling, Map<String,Integer> cmdPollRingDepth, Map<String,Integer> attrPollRingDepth)

Method Summary

Modifier and Type	Method and Description
void	addAttributePolling(String attributeName, int pollingPeriod) Add attribute polling
void	addCommandPolling(String commandName, int pollingPeriod) Add command polling.
void	configurePolling(AttributeImpl attribute)
void	configurePolling(CommandImpl command)
AttributeValue	getAttributeCacheElement(AttributeImpl att)
Object	getCommandCacheElement(CommandImpl cmd)
void	initPolling()
void	removeAll()
void	removeAttributePolling(String attributeName) Remove attribute polling
void	removeCommandPolling(String commandName) Remove command polling
void	setPollAttributes(Map<String,Integer> pollAttributes)
void	setPollRingDepth(int pollRingDepth)
void	startPolling() Start already configured polling
void	stopPolling() Stop all polling
void	triggerPolling(String objectName) Update polling cache

Methods inherited from class java.lang.Object

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

Constructor Detail

PollingManager

public PollingManager(String deviceName,
                      TangoCacheManager cacheManager,
                      List<AttributeImpl> attributeList,
                      List<CommandImpl> commandList,
                      int minPolling,
                      Map<String,Integer> minCommandPolling,
                      Map<String,Integer> minAttributePolling,
                      Map<String,Integer> cmdPollRingDepth,
                      Map<String,Integer> attrPollRingDepth)

Method Detail

initPolling

public void initPolling()
                 throws fr.esrf.Tango.DevFailed

Throws:

fr.esrf.Tango.DevFailed

configurePolling

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

Throws:

fr.esrf.Tango.DevFailed

configurePolling

public void configurePolling(AttributeImpl attribute)
                      throws fr.esrf.Tango.DevFailed

Throws:

fr.esrf.Tango.DevFailed

triggerPolling

public void triggerPolling(String objectName)
                    throws fr.esrf.Tango.DevFailed

Update polling cache

Parameters:

objectName - The command or attribute to update

Throws:

fr.esrf.Tango.DevFailed

addCommandPolling

public void addCommandPolling(String commandName,
                              int pollingPeriod)
                       throws fr.esrf.Tango.DevFailed

Add command polling. Init command cannot be polled. Only command with parameter void can be polled

Parameters:

commandName - the command to poll

pollingPeriod - the polling period

Throws:

fr.esrf.Tango.DevFailed

stopPolling

public void stopPolling()

Stop all polling

startPolling

public void startPolling()

Start already configured polling

addAttributePolling

public void addAttributePolling(String attributeName,
                                int pollingPeriod)
                         throws fr.esrf.Tango.DevFailed

Add attribute polling

Parameters:

attributeName - the attribute to poll

pollingPeriod - the polling period

Throws:

fr.esrf.Tango.DevFailed

removeAttributePolling

public void removeAttributePolling(String attributeName)
                            throws fr.esrf.Tango.DevFailed

Remove attribute polling

Parameters:

attributeName - the attribute

Throws:

fr.esrf.Tango.DevFailed

removeCommandPolling

public void removeCommandPolling(String commandName)
                          throws fr.esrf.Tango.DevFailed

Remove command polling

Parameters:

commandName - the command

Throws:

fr.esrf.Tango.DevFailed

removeAll

public void removeAll()

getCommandCacheElement

public Object getCommandCacheElement(CommandImpl cmd)
                              throws fr.esrf.Tango.DevFailed

Throws:

fr.esrf.Tango.DevFailed

getAttributeCacheElement

public AttributeValue getAttributeCacheElement(AttributeImpl att)
                                        throws net.sf.ehcache.CacheException

Parameters:

att - the attribute

Returns:

element or null

Throws:

IllegalStateException - TODO description

net.sf.ehcache.CacheException - TODO description

setPollRingDepth

public void setPollRingDepth(int pollRingDepth)

setPollAttributes

public void setPollAttributes(Map<String,Integer> pollAttributes)