Package jadex.bpmn.runtime.handler

Class AbstractGatewayActivityHandler

java.lang.Object

jadex.bpmn.runtime.handler.AbstractGatewayActivityHandler

Direct Known Subclasses:

GatewayORActivityHandler, GatewayParallelActivityHandler

public abstract class AbstractGatewayActivityHandler
extends java.lang.Object

Common functionality for and/or split and join gateways.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	idcnt	Counter for generating unique ids.

Constructor Summary

Constructors

Constructor	Description
AbstractGatewayActivityHandler()

Method Summary

Modifier and Type	Method	Description
protected void	addSplitInfos(java.util.Collection<ProcessThread> threads)	Add split infos to a set of threads.
void	cancel(jadex.bpmn.model.MActivity activity, IInternalAccess instance, ProcessThread thread)	Cancel an activity.
void	execute(jadex.bpmn.model.MActivity activity, IInternalAccess instance, ProcessThread thread)	Execute an activity.
protected java.lang.String	generateId()	Generate a unique id.
protected boolean	performJoin(jadex.bpmn.model.MActivity activity, ProcessThread thread)	Perform a join, if possible.
protected abstract java.util.Collection<ProcessThread>	performSplit(jadex.bpmn.model.MActivity activity, IInternalAccess instance, ProcessThread thread)	Perform a split.

Methods inherited from class java.lang.Object

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

Field Detail

idcnt

protected int idcnt

Counter for generating unique ids.

Constructor Detail

AbstractGatewayActivityHandler

public AbstractGatewayActivityHandler()

Method Detail

performSplit

protected abstract java.util.Collection<ProcessThread> performSplit(jadex.bpmn.model.MActivity activity,
                                                                    IInternalAccess instance,
                                                                    ProcessThread thread)

Perform a split.

Returns:

All resulting threads after the split.

execute

public void execute(jadex.bpmn.model.MActivity activity,
                    IInternalAccess instance,
                    ProcessThread thread)

Execute an activity.

Parameters:

activity - The activity to execute.

instance - The process instance.

thread - The process thread.

cancel

public void cancel(jadex.bpmn.model.MActivity activity,
                   IInternalAccess instance,
                   ProcessThread thread)

Cancel an activity.

Parameters:

activity - The activity to execute.

instance - The process instance.

thread - The process thread.

generateId

protected java.lang.String generateId()

Generate a unique id.

addSplitInfos

protected void addSplitInfos(java.util.Collection<ProcessThread> threads)

Add split infos to a set of threads.

performJoin

protected boolean performJoin(jadex.bpmn.model.MActivity activity,
                              ProcessThread thread)

Perform a join, if possible.

Returns:

True, if a join was performed.