de.danet.an.workflow.spis.rms
Class ResourceSupport

java.lang.Object
  de.danet.an.workflow.spis.rms.ResourceSupport

All Implemented Interfaces:

Serializable, WfObject, WfResource

public abstract class ResourceSupport

extends Object

implements WfResource, Serializable

This class provides the standard implementation of the WfResource methods workItems, isMemberOfWorkItems and release. The class uses the ResourceAssignmentServiceFactory as described in de.danet.an.workflow.spis.rms. The class caches the resource factory obtained from the first call to ResourceAssignmentServiceFactory.newInstance().

See Also:

Serialized Form

Constructor Summary

protected

ResourceSupport(ResourceAssignmentService assignSvc) The constructor.

Method Summary

boolean	isMemberOfWorkItems(WfAssignment assignment) Checks if a given WfAssignment is associated with this resource.
void	release(WfAssignment fromAssignment, String releaseInfo) Signals to the resource that it is no longer needed for a specific assignment.
Collection	workItems() This method returns the WfAssignmentss associated with a resource.

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.danet.an.workflow.omgcore.WfResource

resourceKey, resourceName

Constructor Detail

ResourceSupport

protected ResourceSupport(ResourceAssignmentService assignSvc)

The constructor. It asures that a valid factory exists.

Parameters:

assignSvc - the resource assignment service.

Method Detail

workItems

public Collection workItems()
                     throws RemoteException,
                            IllegalStateException

This method returns the WfAssignmentss associated with a resource.

Specified by:

workItems in interface WfResource

Returns:

the associated WfAssignmentss.

Throws:

RemoteException - if a system-level error occurs.

IllegalStateException - if the resource has become invalid. This is actually a remapping of the NoSuchResourceException thrown by ResourceAssignmentService.workItems(). It must be remapped because this method's signature is specified by WfResource.workItems().

isMemberOfWorkItems

public boolean isMemberOfWorkItems(WfAssignment assignment)
                            throws RemoteException,
                                   IllegalStateException

Checks if a given WfAssignment is associated with this resource.

Specified by:

isMemberOfWorkItems in interface WfResource

Parameters:

assignment - the assignment in question.

Returns:

true if the association exists.

Throws:

RemoteException - if a system-level error occurs. This is actually a remapping of the NoSuchResourceException thrown by ResourceAssignmentService.isMemberOfWorkItems(...). It must be remapped because this method's signature is specified by WfResource.isMemberOfWorkItems(...).

IllegalStateException - if the resource has become invalid.

release

public void release(WfAssignment fromAssignment,
                    String releaseInfo)
             throws RemoteException,
                    NotAssignedException

Signals to the resource that it is no longer needed for a specific assignment. The default implementation calls removeAssignment on the activity.

Specified by:

release in interface WfResource

Parameters:

fromAssignment - the specific assignment.

releaseInfo - specifies additional information on the reason for realizing the resource as input.

Throws:

NotAssignedException - if the resource is not associated with the given assignment.

RemoteException - if a system-level error occurs.