psdi.iface.mic

Class ExtSystemCache

java.lang.Object

psdi.iface.mic.ExtSystemCache

All Implemented Interfaces:

MaximoCache, MaximoMTEnabledCache

public class ExtSystemCache
extends java.lang.Object
implements MaximoMTEnabledCache

Loads data from MAXEXTSYSTEM table

Author:

Junaid Bhatra

Method Summary

Methods

Modifier and Type	Method and Description
java.util.Map	getAllSystems() Gets all systems info
MaximoCache	getCache() Return the maximo cache instance.
ExtSystemInfo	getExtSystemInfo(java.lang.String name) Gets the info object for the specific external system
static ExtSystemCache	getInstance() Always use one instance of ExtSystem.
java.lang.String	getName() Returns the name as registered in Maximo Cache
void	init() Initialze the DD loading
boolean	isAnyExtSystemEnabled() Returns whether any external system is enabled
boolean	isExtSystemEnabled(java.lang.String sysname) Returns whether the given external system is enabled or not
boolean	isLoaded()
void	reload() Refresh the External System DD
void	reload(java.lang.String key) Re-load a particular key in Maximo Cache.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static ExtSystemCache getInstance()
                                  throws MXException

Always use one instance of ExtSystem. This method is not synchronized on purpose so as to avoid performance hit on repeated calls, under the assumption that this singleton will be initialized once when MXServer starts up in MicService.init()

Returns:

Instance of Extsystem class

Throws:

MXException - MAXIMO exception

init

public void init()
          throws MXException

Initialze the DD loading

Specified by:

init in interface MaximoCache

Throws:

MXException - Maximo Exception

reload

public void reload(java.lang.String key)
            throws MXException

Re-load a particular key in Maximo Cache. Does not do anything (exists only for the sake of compilation)

Specified by:

reload in interface MaximoCache

Parameters:

key - key

Throws:

MXException - Maximo Exception

getName

public java.lang.String getName()

Returns the name as registered in Maximo Cache

Specified by:

getName in interface MaximoCache

Returns:

"MAXEXTSYSTEM"

getAllSystems

public java.util.Map getAllSystems()

Gets all systems info

Returns:

extsystem table loaded in memory

getExtSystemInfo

public ExtSystemInfo getExtSystemInfo(java.lang.String name)

Gets the info object for the specific external system

Parameters:

name - External System name

Returns:

ExtSystemInfo object for the external system

isExtSystemEnabled

public boolean isExtSystemEnabled(java.lang.String sysname)

Returns whether the given external system is enabled or not

Parameters:

sysname - external system name

Returns:

is external system enabled

isAnyExtSystemEnabled

public boolean isAnyExtSystemEnabled()

Returns whether any external system is enabled

Returns:

is any external system enabled

reload

public void reload()
            throws MXException

Refresh the External System DD

Specified by:

reload in interface MaximoCache

Throws:

MXException - MAXIMO Exception

java.rmi.RemoteException - Remote Exception

getCache

public MaximoCache getCache()

Description copied from interface: MaximoMTEnabledCache

Return the maximo cache instance. This method is called to obtain the cache object. In multi-tenancy enviroment, if the cache is specific to the tenant, this method should return the cache instance based on the tenant id of the context. In non-multi-tenant environment, or the cache is not tenant specific, then it returns to the one cache object.

Specified by:

getCache in interface MaximoMTEnabledCache

Returns:

isLoaded

public boolean isLoaded()

Specified by:

isLoaded in interface MaximoMTEnabledCache