Package org.springframework.webflow.conversation.impl

Class ConversationContainer

java.lang.Object

org.springframework.webflow.conversation.impl.ConversationContainer

All Implemented Interfaces:

Serializable

public class ConversationContainer
extends Object
implements Serializable

Container for conversations that is stored in the session. When the session expires this container will go with it, implicitly expiring all contained conversations.

This is an internal helper class of the SessionBindingConversationManager.

Author:

Erwin Vervaet, Rossen Stoyanchev

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ConversationContainer(int maxConversations, String sessionKey)	Create a new conversation container.

Method Summary

Modifier and Type	Method	Description
protected ContainedConversation	createContainedConversation(ConversationId id, ConversationLock lock)
Conversation	createConversation(ConversationParameters parameters, ConversationLock lock)	Create a new conversation based on given parameters and add it to the container.
Conversation	getConversation(ConversationId id)	Return the identified conversation.
protected final List<ContainedConversation>	getConversations()
protected ConversationId	nextId()
void	removeConversation(ConversationId id)	Remove identified conversation from this container.
int	size()	Return the current size of the conversation container: the number of conversations contained within it.

Methods inherited from class java.lang.Object

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

Constructor Details

ConversationContainer

public ConversationContainer(int maxConversations,
 String sessionKey)

Create a new conversation container.

Parameters:

maxConversations - the max number of allowed concurrent conversations, -1 for unlimited

sessionKey - the key of this conversation container in the session

Method Details

size

public int size()

Return the current size of the conversation container: the number of conversations contained within it.

createConversation

public Conversation createConversation(ConversationParameters parameters,
 ConversationLock lock)

Create a new conversation based on given parameters and add it to the container.

Parameters:

parameters - descriptive conversation parameters

lock - the conversation lock

Returns:

the created conversation

nextId

protected ConversationId nextId()

getConversation

public Conversation getConversation(ConversationId id)
                             throws NoSuchConversationException

Return the identified conversation.

Parameters:

id - the id to lookup

Returns:

the conversation

Throws:

NoSuchConversationException - if the conversation cannot be found

getConversations

protected final List<ContainedConversation> getConversations()

removeConversation

public void removeConversation(ConversationId id)

Remove identified conversation from this container.

createContainedConversation

protected ContainedConversation createContainedConversation(ConversationId id,
 ConversationLock lock)