/** 현재 시작된 {@link IUnitOfWork}의 인스턴스 ({@link UnitOfWorkAdapter}를 반환합니다. */
public static synchronized IUnitOfWork getCurrent() {
if (!isStarted()) throw new HibernateException(UNIT_OF_WORK_NOT_STARTED);
if (globalNonThreadSafeUnitOfWork != null) return globalNonThreadSafeUnitOfWork;
return Local.get(IUnitOfWork.CURRENT_UNIT_OF_WORK_KEY, IUnitOfWork.class);
}
/** 현재 Thread Context하에서 사용할 TimeCalendar입니다. */
public static ITimeCalendar getTimeCalendar() {
ITimeCalendar calendar = Local.get(TIME_CALENDAR_KEY, ITimeCalendar.class);
if (calendar == null) {
calendar = TimeCalendar.getDefault();
Local.put(TIME_CALENDAR_KEY, calendar);
}
return calendar;
}
/**
* Start new unit of work.
*
* @param sessionFactory {@link SessionFactory} instance.
* @param nestingOptions 생성 옵션 {@link UnitOfWorkNestingOptions}
* @return {@link IUnitOfWork} instance.
*/
public static synchronized IUnitOfWork start(
SessionFactory sessionFactory, UnitOfWorkNestingOptions nestingOptions) {
if (log.isDebugEnabled())
log.debug(
"새로운 UnitOfWork를 시작합니다... sessionFactory=[{}], nestingOptions=[{}]",
sessionFactory,
nestingOptions);
if (globalNonThreadSafeUnitOfWork != null) return globalNonThreadSafeUnitOfWork;
IUnitOfWorkImplementor existing =
Local.get(IUnitOfWork.CURRENT_UNIT_OF_WORK_KEY, IUnitOfWorkImplementor.class);
boolean useExisting =
existing != null
&& nestingOptions == UnitOfWorkNestingOptions.ReturnExistingOrCreateUnitOfWork;
if (useExisting) {
if (log.isTraceEnabled())
log.trace(
"기존 IUnitOfWork 가 존재하므로, 사용횟수만 증가시키고, 기존 IUnitOfWork 인스턴스를 반환합니다. 사용횟수=[{}]",
existing.getUsage());
existing.increseUsage();
return existing;
}
if (log.isTraceEnabled()) log.trace("새로운 IUnitOfWorkFactory 와 IUnitOfWork 를 생성합니다...");
if (existing != null && sessionFactory == null) {
sessionFactory = existing.getSession().getSessionFactory();
} else if (existing == null) {
sessionFactory = getCurrentSessionFactory();
}
setCurrent(getUnitOfWorkFactory().create(sessionFactory, existing));
if (log.isDebugEnabled())
log.debug("새로운 IUnitOfWork를 시작했습니다. sessionFactory=[{}]", sessionFactory);
return getCurrent();
}
/** UnitOfWork 가 이미 시작되었는지 확인한다. */
public static synchronized boolean isStarted() {
return globalNonThreadSafeUnitOfWork != null
|| Local.get(IUnitOfWork.CURRENT_UNIT_OF_WORK_KEY) != null;
}