Workflow management system - Software Development Case Studies in Java - page 600

Vector steps # new Vector();
NameValue[] processResult;
static private long uniqueId # 1;
static private String getId(){
return Long.toString(uniqueId !! );
}
WfProcessImpl(WfProcessMgr mgr, WfProcessDefinition def,
WfRequester req) {
super(def.getName());
originator # req;
processManager # mgr;
definition # def;
try {
set_key(getId());
set_description(def.getDescription());
} catch (Exception e){ }
}
public void start() throws BaseException, CannotStart,
AlreadyRunning {
if ( state.workflow_state() ## workflow_stateType.open){
if ( state. while _open() ## while _openType.not_running &&
state.why_not_running() ## why_not_running Type.
not_started ){
WfEventAudit event;
try {
Collection initialActivities #
definition.initialActivities();
Iterator it # initialActivities.iterator();
while (it.hasNext()){
WfActivity activity # new WfActivityImpl( this ,
WfActivityDefinition) it.next());
steps.add(activity);
}
change_state(workflow_stateType.open,
while_openType.running, null , null );
event # new WfEventAuditImpl( this ,"process started");
} catch (Exception e){
change_state(workflow_stateType.closed, null , null ,
state.how_closed().aborted);
event # new WfEventAuditImpl( this ,
"Aborted, reason: " ! e.toString());
}