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Java Source Code / Java Documentation » Workflow Engines » wfmopen 2.1.1 » de.danet.an.workflow.ejbs.admin

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

de.danet.an.workflow.ejbs.admin .WorkflowEngineEJB

WorkflowEngineEJB
public class WorkflowEngineEJB implements SessionBean(Code)
	The session bean `WorkflowEngineEJB` gives access to the workflow engine. The remote and home interfaces of this EJB are declared in package `de.danet.an.workflow.ejbs.util` as de.danet.an.workflow.ejbs.WorkflowEngine`WorkflowEngine` and de.danet.an.workflow.ejbs.WorkflowEngineHome`WorkflowEngineHome` because the interfaces are needed in all sub-packages and putting the interfaces in a subpackage will result in cyclic dependencies. Implementation is in de.danet.an.workflow.ejbs.admin this package , however, because it relies on other EJBs from this package. Setting log level to debug for this class results in progress messages during event handling, adds stack traces to warning messages and logs the event queue data delivered to clients.

Method Summary
public WfResource	asResource(Principal principal) Return the resource associated with the given principal.
public Collection	authorizers(WfResource resource) Return the authorizers for the given resource.
public Principal	caller() Returns the user currently authenticated as a `Principal`.
public Configuration	configuration() Return the workflow engine configuration.
public void	doAbandon(Activity act, ExceptionResult result) Abandon an activity in a new transaction, i.e.
public void	doAbandonLocal(Activity act, ExceptionResult result) Abandon an activity in a new transaction, i.e.
public void	doFinish(WfActivity act, Map result) Set a result and complete an activity in a new transaction, i.e.
public void	doFinishLocal(WfActivity act, Map result) Set a result and complete an activity in a new transaction, i.e.
public InvocationResult	doInvokeLocal(ExtApplication appl, Activity act, Map params) Invoke a tool in a new transaction, i.e.
public void	doTerminateLocal(ExtApplication appl, Activity act) Terminate a tool in a new transaction, i.e.
public void	ejbActivate() Not called for stateless EJB.
public void	ejbCreate() Create a new instance of ProcessDefinitonDirectoryBean.
public void	ejbPassivate() Not called for stateless EJB.
public void	ejbRemove() A container invokes this method before it ends the life of the session object.
public Object[]	eventServiceData() Return the event service connection data.
public Object	executeBatch(Batch batch) Execute a batch in the context of the workflow service i.e.
public Collection	history(WfExecutionObject execObj) Returns a collection of `WfAuditEvent`s associated with this process describing its history.
public boolean	isMemberOfWorkItems(WfResource resource, WfAssignment assignment) Find out if a given assignment belongs to the work items assigned to a particular resource. Parameters: resource - the resource. Parameters: assignment - the assignment in question.
public Collection	knownResources() Return the known resources.
public de.danet.an.workflow.api.ProcessDefinitionDirectory	processDefinitionDirectory() Return the process definition directory of the workflow engine.
public ProcessDirectory	processDirectory() Return the process directory of the workflow engine.
public ExtProcessDirectoryLocal	processDirectoryLocal() Return the process directory of the workflow engine.
public void	processEvent(WfAuditEvent event) Process the given event.
public void	removeAuditEvents(String procKey) Clears the history of the process with the given key.
public ResourceAssignmentService	resourceAssignmentService() Return the resource assignment service used by the workflow engine.
public WfResource	resourceByKey(String key) Return the resource associated with the given key.
public void	setSessionContext(SessionContext context) Set the session context and get new data source.
public Collection	workItems(WfResource resource) Return the assignments of a given resource. Parameters: resource - the resource.

Method Detail

asResource
public WfResource asResource(Principal principal) throws RemoteException, InvalidKeyException(Code)
	Return the resource associated with the given principal. Parameters: principal - the principal the resource throws: RemoteException - if a communication error occurs. throws: InvalidKeyException - if there is no known resourceassociated with this principal

authorizers
public Collection authorizers(WfResource resource) throws RemoteException(Code)
	Return the authorizers for the given resource. Parameters: resource - the resource the authorizers throws: RemoteException - if a communication error occurs.

caller
public Principal caller()(Code)
	Returns the user currently authenticated as a `Principal`. the caller principal.

configuration
public Configuration configuration()(Code)
	Return the workflow engine configuration. the configuration.

doAbandon
public void doAbandon(Activity act, ExceptionResult result) throws TransitionNotAllowedException(Code)
	Abandon an activity in a new transaction, i.e. the transaction attribute of this method is set to `RequiresNew`. Parameters: act - the `WfActivity` Parameters: result - the exception result to signal throws: TransitionNotAllowedException - see de.danet.an.workflow.api.Activity.abandon(String)`Activity.abandon()`

doAbandonLocal
public void doAbandonLocal(Activity act, ExceptionResult result) throws TransitionNotAllowedException(Code)
	Abandon an activity in a new transaction, i.e. the transaction attribute of this method is set to `RequiresNew`. Parameters: act - the `WfActivity` Parameters: result - the exception result to signal throws: TransitionNotAllowedException - see de.danet.an.workflow.api.Activity.abandon(String)`Activity.abandon()`

doFinish
public void doFinish(WfActivity act, Map result) throws InvalidDataException, CannotCompleteException(Code)
	Set a result and complete an activity in a new transaction, i.e. the transaction attribute of this method is set to `RequiresNew`. Parameters: act - the `WfActivity` Parameters: result - the tool's result data. If `null` donot call `setResult`. throws: InvalidDataException - see de.danet.an.workflow.omgcore.WfActivity.setResult`WfActivity.setResult(...)` throws: CannotCompleteException - see de.danet.an.workflow.omgcore.WfActivity.complete`WfActivity.complete()`

doFinishLocal
public void doFinishLocal(WfActivity act, Map result) throws InvalidDataException, CannotCompleteException(Code)
	Set a result and complete an activity in a new transaction, i.e. the transaction attribute of this method is set to `RequiresNew`. Parameters: act - the `WfActivity` Parameters: result - the tool's result data. If `null` donot call `setResult`. throws: InvalidDataException - see de.danet.an.workflow.omgcore.WfActivity.setResult`WfActivity.setResult(...)` throws: CannotCompleteException - see de.danet.an.workflow.omgcore.WfActivity.complete`WfActivity.complete()`

doInvokeLocal
public InvocationResult doInvokeLocal(ExtApplication appl, Activity act, Map params) throws ToolInvocationException(Code)
	Invoke a tool in a new transaction, i.e. the transaction attribute of this method is set to `RequiresNew`. The implementation simply calls `appl.invoke(act, params)`. Parameters: appl - the application description of the tool Parameters: act - the `WfActivity` Parameters: params - the invocation parameters the invocation result throws: ToolInvocationException - if execution is not possible

doTerminateLocal
public void doTerminateLocal(ExtApplication appl, Activity act) throws ApplicationNotStoppedException(Code)
	Terminate a tool in a new transaction, i.e. the transaction attribute of this method is set to `RequiresNew`. The implementation simply calls `appl.terminate(act)`. Parameters: appl - the application description of the tool Parameters: act - the `WfActivity` throws: ApplicationNotStoppedException - if termination is notpossible

ejbActivate
public void ejbActivate()(Code)
	Not called for stateless EJB.

ejbCreate
public void ejbCreate() throws CreateException(Code)
	Create a new instance of ProcessDefinitonDirectoryBean. throws: CreateException - Throws if the ProcessDefinitionDirectoryBean can not be created.

ejbPassivate
public void ejbPassivate()(Code)
	Not called for stateless EJB.

ejbRemove
public void ejbRemove()(Code)
	A container invokes this method before it ends the life of the session object. This happens as a result of a client's invoking a remove operation, or when a container decides to terminate the session object after a timeout. See Also: javax.ejb.SessionBean

eventServiceData
public Object[] eventServiceData()(Code)
	Return the event service connection data. Used by `StandardWorkflowService` only. This allows to configure the data needed by the client in the server environment and thus eases client configuration. the data.

executeBatch
public Object executeBatch(Batch batch) throws InvocationTargetException(Code)
	Execute a batch in the context of the workflow service i.e. on the server. Parameters: batch - the batch to be executed. the result. throws: InvocationTargetException - wraps exceptions as definedby the implementing class

history
public Collection history(WfExecutionObject execObj) throws HistoryNotAvailableException(Code)
	Returns a collection of `WfAuditEvent`s associated with this process describing its history. Parameters: execObj - the execution object for which to select the audit events the collection of audit events throws: HistoryNotAvailableException - in case the history is not available for any reason

isMemberOfWorkItems
public boolean isMemberOfWorkItems(WfResource resource, WfAssignment assignment) throws NoSuchResourceException(Code)
	Find out if a given assignment belongs to the work items assigned to a particular resource. Parameters: resource - the resource. Parameters: assignment - the assignment in question. `true` if the `assignment` belongs to the work items of the `resource`. throws: RemoteException - if a system-level error occurs. throws: NoSuchResourceException - if the resource is invalid.As the environment is a concurrent multi user environment, `WfResource` objects may become invalid.

knownResources
public Collection knownResources() throws RemoteException(Code)
	Return the known resources. the known resources throws: RemoteException - if a communication error occurs.

processDefinitionDirectory
public de.danet.an.workflow.api.ProcessDefinitionDirectory processDefinitionDirectory()(Code)
	Return the process definition directory of the workflow engine. the process definition directory.

processDirectory
public ProcessDirectory processDirectory()(Code)
	Return the process directory of the workflow engine. the process directory.

processDirectoryLocal
public ExtProcessDirectoryLocal processDirectoryLocal()(Code)
	Return the process directory of the workflow engine. the process directory.

processEvent
public void processEvent(WfAuditEvent event) throws RedeliveryRequiredException(Code)
	Process the given event. The transaction attribute of this method is set to `RequiresNew`, so processing will be done in its own transaction. Parameters: event - the event. throws: RedeliveryRequiredException - if the event should be redelivered

removeAuditEvents
public void removeAuditEvents(String procKey)(Code)
	Clears the history of the process with the given key. Parameters: procKey - the process key.

resourceAssignmentService
public ResourceAssignmentService resourceAssignmentService()(Code)
	Return the resource assignment service used by the workflow engine. the resource assignment service

resourceByKey
public WfResource resourceByKey(String key) throws InvalidKeyException, RemoteException(Code)
	Return the resource associated with the given key. Parameters: key - the key the resource throws: InvalidKeyException - if there is no known resourcewith this key throws: RemoteException - if a communication error occurs.

setSessionContext
public void setSessionContext(SessionContext context) throws EJBException(Code)
	Set the session context and get new data source. Parameters: context - the given session context. throws: EJBException - if problem encountered with getting the data source.

workItems
public Collection workItems(WfResource resource) throws NoSuchResourceException(Code)
	Return the assignments of a given resource. Parameters: resource - the resource. the collection of assigned work items (instances ofde.danet.an.workflow.omgcore.WfAssignment`WfAssignment`). throws: RemoteException - if a system-level error occurs. throws: NoSuchResourceException - if the resource is invalid.As the environment is a concurrent multi user environment, `WfResource` objects may become invalid.

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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