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com.tangosol.coherence.servlet
Class SessionLocalBackingMapCacheDelegator

java.lang.Object
com.tangosol.coherence.servlet.SessionLocalBackingMapCacheDelegator

All Implemented Interfaces:

CacheDelegator

public class SessionLocalBackingMapCacheDelegator

extends java.lang.Object

implements CacheDelegator

An abstract base class from which implementations of HttpSessionCollection that use a SessionLocalBackingMap can be more easily built.

Author:

jk 2011.05.24

Constructor Summary

SessionLocalBackingMapCacheDelegator()

Method Summary

boolean	containsKey(java.lang.String sId, AbstractHttpSessionCollection collection) Check if the cluster cache contains a session obj.
void	deleteModel(AbstractHttpSessionCollection collection, AbstractHttpSessionModel model) Delete the session from the cluster cache.
java.util.Iterator	getIteratorForPotentiallyExpiredIds(AbstractHttpSessionCollection collection) Retrieve an iterator of potentially expired session ids.
AbstractHttpSessionModel	getModel(java.lang.String sId, AbstractHttpSessionCollection collection) 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.

Constructor Detail

SessionLocalBackingMapCacheDelegator

public SessionLocalBackingMapCacheDelegator()

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(java.lang.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

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

getIteratorForPotentiallyExpiredIds

public java.util.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

getModel

public AbstractHttpSessionModel getModel(java.lang.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

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

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