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java.lang.Objectorg.apache.catalina.valves.ValveBase
org.apache.catalina.valves.CometConnectionManagerValve
public class CometConnectionManagerValve
Implementation of a Valve that tracks Comet connections, and closes them when the associated session expires or the webapp is reloaded.
This Valve should be attached to a Context.
| Field Summary | |
|---|---|
protected java.util.List<Request> |
cometRequests
List of current Coment connections. |
protected java.lang.String |
cometRequestsAttribute
Name of session attribute used to store list of comet connections. |
protected static java.lang.String |
info
The descriptive information related to this implementation. |
protected LifecycleSupport |
lifecycle
The lifecycle event support for this component. |
protected StringManager |
sm
The string manager for this package. |
protected boolean |
started
Has this component been started yet? |
| Fields inherited from class org.apache.catalina.valves.ValveBase |
|---|
container, containerLog, controller, domain, mserver, next, oname |
| Fields inherited from interface org.apache.catalina.Lifecycle |
|---|
AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, DESTROY_EVENT, INIT_EVENT, PERIODIC_EVENT, START_EVENT, STOP_EVENT |
| Constructor Summary | |
|---|---|
CometConnectionManagerValve()
|
|
| Method Summary | |
|---|---|
void |
addLifecycleListener(LifecycleListener listener)
Add a lifecycle event listener to this component. |
void |
event(Request request,
Response response,
CometEvent event)
Use events to update the connection state. |
LifecycleListener[] |
findLifecycleListeners()
Get the lifecycle listeners associated with this lifecycle. |
java.lang.String |
getInfo()
Return descriptive information about this Valve implementation. |
void |
invoke(Request request,
Response response)
Register requests for tracking, whenever needed. |
void |
lifecycleEvent(LifecycleEvent event)
Acknowledge the occurrence of the specified event. |
void |
removeLifecycleListener(LifecycleListener listener)
Remove a lifecycle event listener from this component. |
void |
sessionCreated(javax.servlet.http.HttpSessionEvent se)
Notification that a session was created. |
void |
sessionDestroyed(javax.servlet.http.HttpSessionEvent se)
Notification that a session is about to be invalidated. |
void |
start()
Prepare for the beginning of active use of the public methods of this component. |
void |
stop()
Gracefully terminate the active use of the public methods of this component. |
| Methods inherited from class org.apache.catalina.valves.ValveBase |
|---|
backgroundProcess, createObjectName, getContainer, getContainerName, getController, getDomain, getNext, getObjectName, getParentName, postDeregister, postRegister, preDeregister, preRegister, setContainer, setController, setNext, setObjectName, toString |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
protected static final java.lang.String info
protected StringManager sm
protected LifecycleSupport lifecycle
protected boolean started
protected java.util.List<Request> cometRequests
protected java.lang.String cometRequestsAttribute
| Constructor Detail |
|---|
public CometConnectionManagerValve()
| Method Detail |
|---|
public void addLifecycleListener(LifecycleListener listener)
addLifecycleListener in interface Lifecyclelistener - The listener to addpublic LifecycleListener[] findLifecycleListeners()
findLifecycleListeners in interface Lifecyclepublic void removeLifecycleListener(LifecycleListener listener)
removeLifecycleListener in interface Lifecyclelistener - The listener to add
public void start()
throws LifecycleException
configure(),
and before any of the public methods of the component are utilized.
start in interface LifecycleLifecycleException - if this component detects a fatal error
that prevents this component from being used
public void stop()
throws LifecycleException
stop in interface LifecycleLifecycleException - if this component detects a fatal error
that needs to be reportedpublic void lifecycleEvent(LifecycleEvent event)
LifecycleListener
lifecycleEvent in interface LifecycleListenerevent - LifecycleEvent that has occurredpublic java.lang.String getInfo()
getInfo in interface ValvegetInfo in class ValveBase
public void invoke(Request request,
Response response)
throws java.io.IOException,
javax.servlet.ServletException
invoke in interface Valveinvoke in class ValveBaserequest - The servlet request to be processedresponse - The servlet response to be created
java.io.IOException - if an input/output error occurs
javax.servlet.ServletException - if a servlet error occurs
public void event(Request request,
Response response,
CometEvent event)
throws java.io.IOException,
javax.servlet.ServletException
event in interface Valveevent in class ValveBaserequest - The servlet request to be processedresponse - The servlet response to be created
java.io.IOException - if an input/output error occurs
javax.servlet.ServletException - if a servlet error occurspublic void sessionCreated(javax.servlet.http.HttpSessionEvent se)
javax.servlet.http.HttpSessionListener
sessionCreated in interface javax.servlet.http.HttpSessionListenerse - the notification eventpublic void sessionDestroyed(javax.servlet.http.HttpSessionEvent se)
javax.servlet.http.HttpSessionListener
sessionDestroyed in interface javax.servlet.http.HttpSessionListenerse - the notification event
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