org.dmd.dmp.server.servlet.base.actions

Class ActionFactory<ACTION extends ActionHandler,INFO extends org.dmd.dms.extended.ActionTriggerInfo>

java.lang.Object

org.dmd.dmp.server.servlet.base.actions.ActionFactory<ACTION,INFO>

Type Parameters:

ACTION - an ActionHandler

INFO - the name/parameters of the action

public abstract class ActionFactory<ACTION extends ActionHandler,INFO extends org.dmd.dms.extended.ActionTriggerInfo>
extends Object

The ActionFactory allows an action manager to determine the action trigger info associated with an ActionHandler and instantiate new ActionHandlers.

Constructor Summary

Constructors

Constructor and Description
ActionFactory()

Method Summary

Modifier and Type	Method and Description
INFO	actionTriggerInfo()
protected abstract INFO	createNewATI() Derived classes override this to create a representative ATI with the name of the action they handle.
boolean	isCorrectTypeOfATI(org.dmd.dmc.DmcObject object)
abstract ACTION	newHandler(Integer serverActionID, org.dmd.dmp.server.extended.ActionRequest request, ActionManagerIF actionManager, CacheIF cache, RequestTrackerIF requestTracker) Derived classes overload this to instantiate a new ActionHandler that can service the specified request.

Methods inherited from class java.lang.Object

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

Constructor Detail

ActionFactory

public ActionFactory()

Method Detail

isCorrectTypeOfATI

public boolean isCorrectTypeOfATI(org.dmd.dmc.DmcObject object)

Parameters:

object - the ATI to be tested.

Returns:

true if the object is an instance of the correct type.

newHandler

public abstract ACTION newHandler(Integer serverActionID,
                                  org.dmd.dmp.server.extended.ActionRequest request,
                                  ActionManagerIF actionManager,
                                  CacheIF cache,
                                  RequestTrackerIF requestTracker)

Derived classes overload this to instantiate a new ActionHandler that can service the specified request.

Parameters:

serverActionID - the unique identifier for this action.

request - the request to be processed.

actionManager - the overall action manager.

cache - handle to the cache.

requestTracker - the asynchronous request tracker that allows comms to the client.

Returns:

the action handler that will dealt with it.

createNewATI

protected abstract INFO createNewATI()

Derived classes override this to create a representative ATI with the name of the action they handle.

Returns:

a new action trigger info instance.

actionTriggerInfo

public INFO actionTriggerInfo()

Returns:

the action trigger info for the action we handle.