echopointng.table
Class LiveTableService

java.lang.Object
  extended by echopointng.table.LiveTableService
All Implemented Interfaces:
Service

public class LiveTableService
extends java.lang.Object
implements Service

LiveTableService is used to provide page data to a LiveTable component in an asynchronous manner.


Field Summary
static LiveTableService INSTANCE
          The singleton LiveTableService
 
Fields inherited from interface nextapp.echo2.webrender.Service
DO_NOT_CACHE
 
Constructor Summary
LiveTableService()
           
 
Method Summary
 void deregister(LiveTable liveTable)
          Deregisters the LiveTable with the service
 java.lang.String getId()
          Returns the unique identifier of this service.
 int getVersion()
          Returns the version of the service to be retrieved.
 void register(LiveTable liveTable)
          Registers the LiveTable with the service
 void service(Connection conn)
          Services an HTTP request.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

INSTANCE

public static final LiveTableService INSTANCE
The singleton LiveTableService

Constructor Detail

LiveTableService

public LiveTableService()
Method Detail

getId

public java.lang.String getId()
Description copied from interface: Service
Returns the unique identifier of this service.

Specified by:
getId in interface Service
Returns:
The unique identifier of this service.
See Also:
Service.getId()

getVersion

public int getVersion()
Description copied from interface: Service
Returns the version of the service to be retrieved. When a service is requested with an updated version number, a non-cached copy will be used. getVersion() should return distinct values whenever the service's content may have changed.

Specified by:
getVersion in interface Service
Returns:
The current version number of the service.
See Also:
Service.getVersion()

register

public void register(LiveTable liveTable)
Registers the LiveTable with the service

Parameters:
liveTable - - a LiveTable to be notified of external events.

deregister

public void deregister(LiveTable liveTable)
Deregisters the LiveTable with the service

Parameters:
liveTable - - an LiveTable to be removed from being notified of external events.

service

public void service(Connection conn)
             throws java.io.IOException
Description copied from interface: Service
Services an HTTP request. Information about the HTTP request as well as methods for issuing a response are available from the provided Connection object.

Specified by:
service in interface Service
Parameters:
conn - A Connection object which wraps HttpServletRequest and HttpServletResponse objects and provides access to the facilities of the Echo application container.
Throws:
java.io.IOException - in the event of errors related to processing the HTTP request or producing a response.
See Also:
Service.service(nextapp.echo2.webrender.Connection)