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Java Source Code / Java Documentation » EJB Server JBoss 4.2.1 » server » org.jboss.ejb.plugins

Source Cross Reference Class Diagram Java Document (Java Doc)

org.jboss.ejb.plugins .StatefulSessionFilePersistenceManager

StatefulSessionFilePersistenceManager

public class StatefulSessionFilePersistenceManager extends ServiceMBeanSupport implements StatefulSessionPersistenceManager,StatefulSessionFilePersistenceManagerMBean(Code)

A file-based stateful session bean persistence manager.

Reads and writes session bean objects to files by using the standard Java serialization mechanism.

Passivated state files are stored under: jboss-server-data-dir/storeDirectoryName/ejb-name-unique-id.

Since ejb-name is not unique across deployments we generate a unique-id to make sure that beans with the same EJB name do not collide.
author:
   Rickard �berg
author:
   Marc Fleury
author:
   Sebastien Alborini
author:
   Jason Dillon
author:
   Dimitris Andreadis
version:
   $Revision: 57209 $

Inner Class :static class DeleteFileAction implements PrivilegedAction

Inner Class :static class MkdirsFileAction implements PrivilegedAction

Inner Class :static class FISAction implements PrivilegedExceptionAction

Inner Class :static class FOSAction implements PrivilegedExceptionAction

Field Summary
final public static String	DEFAULT_STORE_DIRECTORY_NAME The default store directory name ("`sessions`").

Method Summary
public void	activateSession(StatefulSessionEnterpriseContext ctx) Restores session state from the serialized file & invokes SessionBean.ejbActivate on the target bean.
public Object	createId(StatefulSessionEnterpriseContext ctx)
protected void	createService() Setup the session data storage directory.
public void	createdSession(StatefulSessionEnterpriseContext ctx) Non-operation.
protected void	destroyService() Purge any data in the store, and then the store directory too.
public boolean	getPurgeEnabled() Get the stale session state purge enabled flag.
public File	getStoreDirectory() Returns the directory used to store session passivation state files.
public String	getStoreDirectoryName() Get the sub-directory name under the server data directory where session data is stored.
public void	passivateSession(StatefulSessionEnterpriseContext ctx) Invokes SessionBean.ejbPassivate on the target bean and saves the state of the session to a file.
public void	removePassivated(Object id) Removes the saved state file (if any) for the given session id.
public void	removeSession(StatefulSessionEnterpriseContext ctx) Invokes SessionBean.ejbRemove on the target bean.
public void	setContainer(Container con) Saves a reference to the StatefulSessionContainer for its bean type.
public void	setPurgeEnabled(boolean flag) Set the stale session state purge enabled flag.
public void	setStoreDirectoryName(String dirName) Set the sub-directory name under the server data directory where session data will be stored.

Field Detail

DEFAULT_STORE_DIRECTORY_NAME
final public static String DEFAULT_STORE_DIRECTORY_NAME(Code)
	The default store directory name ("`sessions`").

Method Detail

activateSession
public void activateSession(StatefulSessionEnterpriseContext ctx) throws RemoteException(Code)
	Restores session state from the serialized file & invokes SessionBean.ejbActivate on the target bean.

createId
public Object createId(StatefulSessionEnterpriseContext ctx) throws Exception(Code)
	A UID.

createService
protected void createService() throws Exception(Code)
	Setup the session data storage directory. Purges any existing session data found.

createdSession
public void createdSession(StatefulSessionEnterpriseContext ctx) throws Exception(Code)
	Non-operation.

destroyService
protected void destroyService() throws Exception(Code)
	Purge any data in the store, and then the store directory too.

getPurgeEnabled
public boolean getPurgeEnabled()(Code)
	Get the stale session state purge enabled flag. jmx:managed-attribute True if purge is enabled.

getStoreDirectory
public File getStoreDirectory()(Code)
	Returns the directory used to store session passivation state files. jmx:managed-attribute The directory used to store session passivation state files.

getStoreDirectoryName
public String getStoreDirectoryName()(Code)
	Get the sub-directory name under the server data directory where session data is stored. jmx:managed-attribute See Also: StatefulSessionFilePersistenceManager.setStoreDirectoryName A sub-directory name.

passivateSession
public void passivateSession(StatefulSessionEnterpriseContext ctx) throws RemoteException(Code)
	Invokes SessionBean.ejbPassivate on the target bean and saves the state of the session to a file.

removePassivated
public void removePassivated(Object id)(Code)
	Removes the saved state file (if any) for the given session id.

removeSession
public void removeSession(StatefulSessionEnterpriseContext ctx) throws RemoteException, RemoveException(Code)
	Invokes SessionBean.ejbRemove on the target bean.

setContainer
public void setContainer(Container con)(Code)
	Saves a reference to the StatefulSessionContainer for its bean type. throws: ClassCastException - Container is not a StatefulSessionContainer.

setPurgeEnabled
public void setPurgeEnabled(boolean flag)(Code)
	Set the stale session state purge enabled flag. jmx:managed-attribute Parameters: flag - The toggle flag to enable or disable purging.

setStoreDirectoryName

public void setStoreDirectoryName(String dirName)(Code)

Set the sub-directory name under the server data directory where session data will be stored.

This value will be appened to the value of jboss-server-data-dir.

This value is only used during creation and will not dynamically change the store directory when set after the create step has finished.
Parameters:
dirName - A sub-directory name.

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