Package org.apache.tapestry5.internal.services

Class SessionApplicationStatePersistenceStrategy

java.lang.Object

org.apache.tapestry5.internal.services.SessionApplicationStatePersistenceStrategy

All Implemented Interfaces:

ApplicationStatePersistenceStrategy

Direct Known Subclasses:

EntityApplicationStatePersistenceStrategy, EntityApplicationStatePersistenceStrategy

public class SessionApplicationStatePersistenceStrategy
extends java.lang.Object
implements ApplicationStatePersistenceStrategy

Stores ASOs in the Session, which will be created as necessary.

Constructor Summary

Constructors

Constructor	Description
SessionApplicationStatePersistenceStrategy(Request request)

Method Summary

Modifier and Type	Method	Description
protected <T> java.lang.String	buildKey(java.lang.Class<T> ssoClass)
<T> boolean	exists(java.lang.Class<T> ssoClass)	Returns true if the SSO already exists, false if null.
<T> T	get(java.lang.Class<T> ssoClass, ApplicationStateCreator<T> creator)	Gets the SSO from the domain.
<T> T	getIfExists(java.lang.Class<T> ssoClass)	Returns the SSO if it exists or null.
protected <T> java.lang.Object	getOrCreate(java.lang.Class<T> ssoClass, ApplicationStateCreator<T> creator)
protected Session	getSession()
<T> void	set(java.lang.Class<T> ssoClass, T sso)	Stores a new SSO, possibly replacing the existing one.
protected <T> T	transformPersistedValue(java.lang.Object value)

Methods inherited from class java.lang.Object

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

Constructor Detail

SessionApplicationStatePersistenceStrategy

public SessionApplicationStatePersistenceStrategy(Request request)

Method Detail

getSession

protected Session getSession()

get

public <T> T get(java.lang.Class<T> ssoClass,
                 ApplicationStateCreator<T> creator)

Description copied from interface: ApplicationStatePersistenceStrategy

Gets the SSO from the domain. If the SSO does not already exist, it is created and stored, then returned.

Specified by:

get in interface ApplicationStatePersistenceStrategy

getOrCreate

protected <T> java.lang.Object getOrCreate(java.lang.Class<T> ssoClass,
                                           ApplicationStateCreator<T> creator)

getIfExists

public <T> T getIfExists(java.lang.Class<T> ssoClass)

Description copied from interface: ApplicationStatePersistenceStrategy

Returns the SSO if it exists or null.

Specified by:

getIfExists in interface ApplicationStatePersistenceStrategy

transformPersistedValue

protected <T> T transformPersistedValue(java.lang.Object value)

buildKey

protected <T> java.lang.String buildKey(java.lang.Class<T> ssoClass)

set

public <T> void set(java.lang.Class<T> ssoClass,
                    T sso)

Description copied from interface: ApplicationStatePersistenceStrategy

Stores a new SSO, possibly replacing the existing one.

Specified by:

set in interface ApplicationStatePersistenceStrategy

sso - instance to store, or null to delete existing

exists

public <T> boolean exists(java.lang.Class<T> ssoClass)

Description copied from interface: ApplicationStatePersistenceStrategy

Returns true if the SSO already exists, false if null.

Specified by:

exists in interface ApplicationStatePersistenceStrategy