org.apache.tapestry.engine.state
Class ApplicationStateManagerImpl

java.lang.Object
  org.apache.tapestry.engine.state.ApplicationStateManagerImpl

All Implemented Interfaces:

org.apache.hivemind.PoolManageable, ApplicationStateManager

public class ApplicationStateManagerImpl
extends Object
implements ApplicationStateManager, org.apache.hivemind.PoolManageable

This implementation expects to be pooled.

Since:

4.0

Author:

Howard M. Lewis Ship

Constructor Summary

ApplicationStateManagerImpl()

Method Summary

void	activateService()
boolean	exists(String objectName) Checks to see if the named object exists.
void	flush() Asks each StateObjectManager to store each object obtained.
Object	get(String objectName) Gets the named application state object, creating it if necessary.
void	passivateService()
void	setRegistry(StateObjectManagerRegistry registry)
void	store(String objectName, Object stateObject) Stores a new state object, replacing the old one.

Methods inherited from class java.lang.Object

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

Constructor Detail

ApplicationStateManagerImpl

public ApplicationStateManagerImpl()

Method Detail

activateService

public void activateService()

Specified by:

activateService in interface org.apache.hivemind.PoolManageable

passivateService

public void passivateService()

Specified by:

passivateService in interface org.apache.hivemind.PoolManageable

exists

public boolean exists(String objectName)

Description copied from interface: ApplicationStateManager

Checks to see if the named object exists.

Specified by:

exists in interface ApplicationStateManager

Parameters:

objectName - the name of the application state object

Returns:

True if the object with the specified name exists, false otherwise.

get

public Object get(String objectName)

Description copied from interface: ApplicationStateManager

Gets the named application state object, creating it if necessary.

Specified by:

get in interface ApplicationStateManager

Parameters:

objectName - the name of the application state object

Returns:

the object

store

public void store(String objectName,
                  Object stateObject)

Description copied from interface: ApplicationStateManager

Stores a new state object, replacing the old one. The new object may be null.

Specified by:

store in interface ApplicationStateManager

Parameters:

objectName - the name of the object to store

stateObject - the new object, possibly null

flush

public void flush()

Description copied from interface: ApplicationStateManager

Asks each StateObjectManager to store each object obtained.

Specified by:

flush in interface ApplicationStateManager

setRegistry

public void setRegistry(StateObjectManagerRegistry registry)