org.glassfish.web.ha.session.management

Class ReplicationAttributeStore

java.lang.Object

org.apache.catalina.session.StoreBase

org.glassfish.web.ha.session.management.HAStoreBase

org.glassfish.web.ha.session.management.ReplicationStore

org.glassfish.web.ha.session.management.ReplicationAttributeStore

All Implemented Interfaces:

Lifecycle, Store

public class ReplicationAttributeStore
extends ReplicationStore

Author:

Larry White, Rajiv Mordani

Field Summary

Fields inherited from class org.glassfish.web.ha.session.management.HAStoreBase

_debug, _logLevel, applicationId, clusterId, ioUtils

Fields inherited from class org.apache.catalina.session.StoreBase

debug, info, lifecycle, manager, started, storeName, support

Fields inherited from interface org.apache.catalina.Lifecycle

AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, INIT_EVENT, START_EVENT, STOP_EVENT

Constructor Summary

Constructors

Constructor and Description
ReplicationAttributeStore(JavaEEIOUtils ioUtils) Creates a new instance of ReplicationAttributeStore

Method Summary

Modifier and Type	Method and Description
void	doSave(Session session) Save the specified Session into this Store.
void	doValveSave(Session session) Save the specified Session into this Store.
protected Object	getAttributeValue(byte[] state) Given a byte[] containing session data, return a session object
protected Object	getAttributeValueCollection(byte[] state) Given a byte[] containing session data, return a session object
protected byte[]	getByteArray(Object attributeValue) Create an byte[] for the session that we can then pass to the HA Store.
protected byte[]	getByteArrayFromCollection(Collection entries) Create an byte[] for the session that we can then pass to the HA Store.
Session	getSession(CompositeMetadata metadata)
Session	load(String id, String version) Load and return the Session associated with the specified session identifier from this Store, without removing it.
protected void	loadAttributes(ModifiedAttributeHASession modifiedAttributeSession, Collection attributeList) Given a session, load its attributes
void	save(Session session) Save the specified Session into this Store.
void	valveSave(Session session) Save the specified Session into this Store.

Methods inherited from class org.glassfish.web.ha.session.management.ReplicationStore

cleanup, clear, doRemove, getApplicationId, getSession, getSessions, getSize, getUniqueId, isReplicationCompressionEnabled, keys, load, processExpires, removeExpiredSessions, removeSynchronized, setSessions, stop, updateLastAccessTime

Methods inherited from class org.glassfish.web.ha.session.management.HAStoreBase

debug, getByteArray, getByteArray, getClusterId, getClusterIdFromConfig, remove, setLogLevel

Methods inherited from class org.apache.catalina.session.StoreBase

addLifecycleListener, addPropertyChangeListener, doProcessExpires, findLifecycleListeners, getDebug, getInfo, getManager, getStoreName, log, readSession, removeFromStoreCache, removeLifecycleListener, removePropertyChangeListener, setDebug, setManager, start, writeSession

Methods inherited from class java.lang.Object

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

Constructor Detail

ReplicationAttributeStore

public ReplicationAttributeStore(JavaEEIOUtils ioUtils)

Creates a new instance of ReplicationAttributeStore

Method Detail

valveSave

public void valveSave(Session session)
               throws IOException

Save the specified Session into this Store. Any previously saved information for the associated session identifier is replaced.

Overrides:

valveSave in class ReplicationStore

Parameters:

session - Session to be saved

Throws:

IOException - if an input/output error occurs

save

public void save(Session session)
          throws IOException

Save the specified Session into this Store. Any previously saved information for the associated session identifier is replaced.

Specified by:

save in interface Store

Overrides:

save in class ReplicationStore

Parameters:

session - Session to be saved

Throws:

IOException - if an input/output error occurs

doValveSave

public void doValveSave(Session session)
                 throws IOException

Save the specified Session into this Store. Any previously saved information for the associated session identifier is replaced.

Overrides:

doValveSave in class ReplicationStore

Parameters:

session - Session to be saved

Throws:

IOException - if an input/output error occurs

doSave

public void doSave(Session session)
            throws IOException

Save the specified Session into this Store. Any previously saved information for the associated session identifier is replaced.

Overrides:

doSave in class ReplicationStore

Parameters:

session - Session to be saved

Throws:

IOException - if an input/output error occurs

load

public Session load(String id,
                    String version)
             throws ClassNotFoundException,
                    IOException

Description copied from class: StoreBase

Load and return the Session associated with the specified session identifier from this Store, without removing it. If there is no such stored Session, return null.

Overrides:

load in class ReplicationStore

Parameters:

id - Session identifier of the session to load

version - The requested session version

Throws:

ClassNotFoundException - if a deserialization error occurs

IOException - if an input/output error occurs

getSession

public Session getSession(CompositeMetadata metadata)
                   throws IOException

Throws:

IOException

getByteArray

protected byte[] getByteArray(Object attributeValue)
                       throws IOException

Create an byte[] for the session that we can then pass to the HA Store.

Parameters:

attributeValue - The attribute value we are serializing

Throws:

IOException

getAttributeValue

protected Object getAttributeValue(byte[] state)
                            throws IOException,
                                   ClassNotFoundException

Given a byte[] containing session data, return a session object

Parameters:

state - The byte[] with the session attribute data

Returns:

A newly created object for the given session attribute data

Throws:

IOException

ClassNotFoundException

getByteArrayFromCollection

protected byte[] getByteArrayFromCollection(Collection entries)
                                     throws IOException

Create an byte[] for the session that we can then pass to the HA Store.

Parameters:

entries - The Collection of entries we are serializing

Throws:

IOException

getAttributeValueCollection

protected Object getAttributeValueCollection(byte[] state)
                                      throws IOException,
                                             ClassNotFoundException

Given a byte[] containing session data, return a session object

Parameters:

state - The byte[] with the session attribute data

Returns:

A newly created object for the given session attribute data

Throws:

IOException

ClassNotFoundException

loadAttributes

protected void loadAttributes(ModifiedAttributeHASession modifiedAttributeSession,
                              Collection attributeList)

Given a session, load its attributes

Parameters:

modifiedAttributeSession - The session (header info only) having its attributes loaded

attributeList - The List list of loaded attributes