de.fzj.unicore.wsrflite.persistence
Class InMemory

java.lang.Object
  de.fzj.unicore.wsrflite.persistence.InMemory

All Implemented Interfaces:

IPersistenceProperties, Store

public class InMemory
extends Object
implements Store

map-based storage class

Author:

schuller

Field Summary

protected Map<String,Calendar>

terminationTimes

Fields inherited from interface de.fzj.unicore.wsrflite.persistence.IPersistenceProperties

WSRF_PERSIST_CLASSNAME, WSRF_PERSIST_STORAGE_DIRECTORY

Constructor Summary

InMemory()

Method Summary

WSRFInstance	getForUpdate(String uniqueID, long time, TimeUnit timeUnit) get and lock a live instance from storage.
PersistenceSettings	getPersistenceSettings()
Map<String,Calendar>	getTerminationTimes() gets current termination times for all ws-resources in this store
String[]	getUniqueIDs() retrieve a list of all unique ids
void	init(String serviceName) initialise the store
void	persist(WSRFInstance inst) persist a single wsrf instance
void	purgePersistentData() Fully deletes persistent data, for example after service undeployment
WSRFInstance	read(String uniqueID) read an instance from storage.
void	remove(String uniqueID) Delete an instance, and cleanup the persistence.
void	setPersistenceSettings(PersistenceSettings ps)
void	setTerminationTime(String uniqueID, Calendar c) sets termination time for a ws-resource
void	shutdown() shutdown the store
int	size() returns the number of instances in this store
void	unlock(WSRFInstance i) clear lock for the given instance

Methods inherited from class java.lang.Object

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

Field Detail

terminationTimes

protected Map<String,Calendar> terminationTimes

Constructor Detail

InMemory

public InMemory()

Method Detail

init

public void init(String serviceName)

Description copied from interface: Store

initialise the store

Specified by:

init in interface Store

Parameters:

serviceName - The name of the service that is persisted

shutdown

public void shutdown()

Description copied from interface: Store

shutdown the store

Specified by:

shutdown in interface Store

persist

public void persist(WSRFInstance inst)

Description copied from interface: Store

persist a single wsrf instance

Specified by:

persist in interface Store

getUniqueIDs

public String[] getUniqueIDs()

Description copied from interface: Store

retrieve a list of all unique ids

Specified by:

getUniqueIDs in interface Store

Returns:

read

public WSRFInstance read(String uniqueID)

Description copied from interface: Store

read an instance from storage.

Specified by:

read in interface Store

Returns:

null if instance does not exist

getForUpdate

public WSRFInstance getForUpdate(String uniqueID,
                                 long time,
                                 TimeUnit timeUnit)

Description copied from interface: Store

get and lock a live instance from storage.
This is necessary to aquire write permission

Specified by:

getForUpdate in interface Store

Parameters:

uniqueID - - the id of the instance to read

time - - the maximum time to wait when aquiring a lock

timeUnit - - the time units

remove

public void remove(String uniqueID)

Description copied from interface: Store

Delete an instance, and cleanup the persistence. A held lock will be released and deleted.

Specified by:

remove in interface Store

unlock

public void unlock(WSRFInstance i)

Description copied from interface: Store

clear lock for the given instance

Specified by:

unlock in interface Store

size

public int size()

Description copied from interface: Store

returns the number of instances in this store

Specified by:

size in interface Store

Returns:

setPersistenceSettings

public void setPersistenceSettings(PersistenceSettings ps)

getPersistenceSettings

public PersistenceSettings getPersistenceSettings()

getTerminationTimes

public Map<String,Calendar> getTerminationTimes()

Description copied from interface: Store

gets current termination times for all ws-resources in this store

Specified by:

getTerminationTimes in interface Store

Returns:

Map terminationTimes

setTerminationTime

public void setTerminationTime(String uniqueID,
                               Calendar c)

Description copied from interface: Store

sets termination time for a ws-resource

Specified by:

setTerminationTime in interface Store

purgePersistentData

public void purgePersistentData()

Description copied from interface: Store

Fully deletes persistent data, for example after service undeployment

Specified by:

purgePersistentData in interface Store