uk.org.ogsadai.sessions.impl
Class ImplicitSessionStrategy
java.lang.Object
|
+--uk.org.ogsadai.sessions.impl.ImplicitSessionStrategy
- All Implemented Interfaces:
- SessionStrategy
- public class ImplicitSessionStrategy
- extends java.lang.Object
- implements SessionStrategy
A SessionStrategy that creates a new implicit session with default settings.
An implicit session is used when a request supplies no specific session settings. Implicit sessions are automatically cleaned-up as soon as the SessionParticipant no longer needs them. A SessionListener is attached to the session to achieve this.
- Author:
- The OGSA-DAI Project Team
| Constructor Summary |
ImplicitSessionStrategy()
Constructs a strategy for creating a new session with default settings. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
COPYRIGHT_NOTICE
private static final java.lang.String COPYRIGHT_NOTICE
-
- See Also:
- Constant Field Values
LOG
private static final DAILogger LOG
-
ImplicitSessionStrategy
public ImplicitSessionStrategy()
-
Constructs a strategy for creating a new session with default settings.
obtainSession
public InternalSession obtainSession(SessionManager manager)
throws SessionCreationException,
SessionLookupException,
SessionNotFoundException
- Description copied from interface:
SessionStrategy
-
Uses the session manager to create a new session or access an existing session, depending on the session requirements built into the strategy.
An implementation of this method should also take necessary measures to ensure that the session ends at the appropriate point, such as after a certain time has passed.
-
- Specified by:
obtainSession in interface SessionStrategy
-
- Parameters:
manager - The SessionManagement to use for interactions.- Returns:
- A
SessionAccess object to the session thus obtained.
- Throws:
SessionNotFoundException - if a specific named session does not exist.SessionCreationException - if some problem arises when creating a new session.SessionLookupException - if some problem arises when accessing an existing session.
createSessionListener
SessionListener createSessionListener(SessionManager manager)
-
Creates a
SessionListener that will automatically terminate the session when the last session participant leaves.
This method is given package level accessiblity for testing purposes.
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-
- Parameters:
manager - SessionManager managing session.- Returns:
SessionListener.