Package com.tangosol.coherence.servlet

Class DefaultCacheDelegator

java.lang.Object

com.tangosol.coherence.servlet.DefaultCacheDelegator

All Implemented Interfaces:

CacheDelegator

Direct Known Subclasses:

LocalSessionCacheDelegator

public class DefaultCacheDelegator
extends Object
implements CacheDelegator

Field Summary

Fields

Modifier and Type	Field	Description
protected static Logger	LOGGER	The Logger object.

Constructor Summary

Constructors

Constructor	Description
DefaultCacheDelegator()

Method Summary

Modifier and Type	Method	Description
boolean	containsKey(String sId, AbstractHttpSessionCollection collection)	Check if the cluster cache contains a session obj.
Set<String>	deleteExpiredLocalSessions(AbstractHttpSessionCollection collection)	Deletes the locally opened sessions in the session cache which have timed-out and returns the ids for deleted sessions.
Set<String>	deleteExpiredSessions(AbstractHttpSessionCollection collection)	Deletes the sessions in the session cache which have timed-out and returns the ids for deleted sessions.
void	deleteModel(AbstractHttpSessionCollection collection, AbstractHttpSessionModel model)	Delete the session from the cluster cache.
void	flush(AbstractHttpSessionCollection collection, AbstractHttpSessionModel model)	Perform a flush operation of the session onto the cluster cache
Iterator	getIteratorForPotentiallyExpiredIds(AbstractHttpSessionCollection collection)	Retrieve an iterator of potentially expired session ids.
Iterator	getIteratorForPotentiallyExpiredLocalIds(AbstractHttpSessionCollection collection)	Retrieve an iterator of potentially expired session ids from the list of local sessions.
AbstractHttpSessionModel	getModel(String sId, AbstractHttpSessionCollection collection)	Retrieve a model from the cluster cache
AbstractHttpSessionModel	getModel(String sId, AbstractHttpSessionCollection collection, boolean fLite)	Retrieve a model from the cluster cache
void	optimisticModelUpdate(AbstractHttpSessionModel model)	Perform an optimistic model update in the cache.
void	putModel(AbstractHttpSessionModel model)	Put a session model in the cache.
void	updateModelTimestamp(AbstractHttpSessionModel model)	Update a session model timestamp in the cache.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

protected static final Logger LOGGER

The Logger object.

Constructor Detail

DefaultCacheDelegator

public DefaultCacheDelegator()

Method Detail

deleteModel

public void deleteModel(AbstractHttpSessionCollection collection,
                        AbstractHttpSessionModel model)

Description copied from interface: CacheDelegator

Delete the session from the cluster cache.

Specified by:

deleteModel in interface CacheDelegator

Parameters:

collection - the collection obj

model - the model obj

containsKey

public boolean containsKey(String sId,
                           AbstractHttpSessionCollection collection)

Description copied from interface: CacheDelegator

Check if the cluster cache contains a session obj.

Specified by:

containsKey in interface CacheDelegator

Parameters:

sId - the session id

collection - the session collection obj

Returns:

true, if the session obj exists in the cluster cache

getIteratorForPotentiallyExpiredIds

public Iterator getIteratorForPotentiallyExpiredIds(AbstractHttpSessionCollection collection)

Description copied from interface: CacheDelegator

Retrieve an iterator of potentially expired session ids.

Specified by:

getIteratorForPotentiallyExpiredIds in interface CacheDelegator

Parameters:

collection - the session collection obj

Returns:

Iterator of potentially expired session ids

getIteratorForPotentiallyExpiredLocalIds

public Iterator getIteratorForPotentiallyExpiredLocalIds(AbstractHttpSessionCollection collection)

Description copied from interface: CacheDelegator

Retrieve an iterator of potentially expired session ids from the list of local sessions.

Specified by:

getIteratorForPotentiallyExpiredLocalIds in interface CacheDelegator

Parameters:

collection - the session collection obj

Returns:

iterator of potentially expired session local session ids

deleteExpiredSessions

public Set<String> deleteExpiredSessions(AbstractHttpSessionCollection collection)

Description copied from interface: CacheDelegator

Deletes the sessions in the session cache which have timed-out and returns the ids for deleted sessions.

Specified by:

deleteExpiredSessions in interface CacheDelegator

Parameters:

collection - the session collection obj

Returns:

the set of ids of sessions that are deleted

deleteExpiredLocalSessions

public Set<String> deleteExpiredLocalSessions(AbstractHttpSessionCollection collection)

Description copied from interface: CacheDelegator

Deletes the locally opened sessions in the session cache which have timed-out and returns the ids for deleted sessions.

Specified by:

deleteExpiredLocalSessions in interface CacheDelegator

Parameters:

collection - the session collection obj

Returns:

the set of ids of sessions that are deleted

getModel

public AbstractHttpSessionModel getModel(String sId,
                                         AbstractHttpSessionCollection collection,
                                         boolean fLite)

Description copied from interface: CacheDelegator

Retrieve a model from the cluster cache

Specified by:

getModel in interface CacheDelegator

Parameters:

sId - the session id

collection - the session collection obj

fLite - when set to true then if a near cache is used, the front map is avoided; thus avoiding listener registration and unnecessary eviction on the front map

Returns:

the session model

getModel

public AbstractHttpSessionModel getModel(String sId,
                                         AbstractHttpSessionCollection collection)

Description copied from interface: CacheDelegator

Retrieve a model from the cluster cache

Specified by:

getModel in interface CacheDelegator

Parameters:

sId - the session id

collection - the session collection obj

Returns:

the session model

optimisticModelUpdate

public void optimisticModelUpdate(AbstractHttpSessionModel model)

Description copied from interface: CacheDelegator

Perform an optimistic model update in the cache.

Specified by:

optimisticModelUpdate in interface CacheDelegator

Parameters:

model - the session mdoel

putModel

public void putModel(AbstractHttpSessionModel model)

Description copied from interface: CacheDelegator

Put a session model in the cache.

Specified by:

putModel in interface CacheDelegator

Parameters:

model - the session model

updateModelTimestamp

public void updateModelTimestamp(AbstractHttpSessionModel model)

Description copied from interface: CacheDelegator

Update a session model timestamp in the cache.

Specified by:

updateModelTimestamp in interface CacheDelegator

Parameters:

model - the session model

flush

public void flush(AbstractHttpSessionCollection collection,
                  AbstractHttpSessionModel model)

Description copied from interface: CacheDelegator

Perform a flush operation of the session onto the cluster cache

Specified by:

flush in interface CacheDelegator

Parameters:

collection - the session collection obj

model - the session model