Java LockMode類代碼示例

import org.hibernate.LockMode; //導入依賴的package包/類
/**
 * Add an uninitialized instance of an entity class, as a placeholder to ensure object
 * identity. Must be called before <tt>postHydrate()</tt>.
 *
 * Create a "temporary" entry for a newly instantiated entity. The entity is uninitialized,
 * but we need the mapping from id to instance in order to guarantee uniqueness.
 *
 * @param key The entity key
 * @param object The entity instance
 * @param persister The entity persister
 * @param lockMode The lock mode
 * @param lazyPropertiesAreUnFetched Are lazy properties still un-fetched?
 * @param session The Session
 */
public static void addUninitializedEntity(
		final EntityKey key,
		final Object object,
		final EntityPersister persister,
		final LockMode lockMode,
		final boolean lazyPropertiesAreUnFetched,
		final SessionImplementor session) {
	session.getPersistenceContext().addEntity(
			object,
			Status.LOADING,
			null,
			key,
			null,
			lockMode,
			true,
			persister,
			false,
			lazyPropertiesAreUnFetched
	);
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
public LockingStrategy getLockingStrategy(Lockable lockable, LockMode lockMode) {
	// TimesTen has no known variation of a "SELECT ... FOR UPDATE" syntax...
	if ( lockMode == LockMode.PESSIMISTIC_FORCE_INCREMENT ) {
		return new PessimisticForceIncrementLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode == LockMode.PESSIMISTIC_WRITE ) {
		return new PessimisticWriteUpdateLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode == LockMode.PESSIMISTIC_READ ) {
		return new PessimisticReadUpdateLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode == LockMode.OPTIMISTIC ) {
		return new OptimisticLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode == LockMode.OPTIMISTIC_FORCE_INCREMENT ) {
		return new OptimisticForceIncrementLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode.greaterThan( LockMode.READ ) ) {
		return new UpdateLockingStrategy( lockable, lockMode );
	}
	else {
		return new SelectLockingStrategy( lockable, lockMode );
	}
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
protected ProbandAddressOutVO handleDeleteProbandAddress(
		AuthenticationVO auth, Long probandAddressId) throws Exception {
	ProbandAddressDao addressDao = this.getProbandAddressDao();
	ProbandAddress address = CheckIDUtil.checkProbandAddressId(probandAddressId, addressDao);
	Proband proband = address.getProband();
	this.getProbandDao().lock(proband, LockMode.PESSIMISTIC_WRITE);
	// Proband proband = ServiceUtil.checkProbandId(address.getProband().getId(), this.getProbandDao(), LockMode.PESSIMISTIC_WRITE); // address.getProband();
	ProbandAddressOutVO result = addressDao.toProbandAddressOutVO(address);
	if (!result.isDecrypted()) {
		throw L10nUtil.initServiceException(ServiceExceptionCodes.CANNOT_DECRYPT_PROBAND_ADDRESS);
	}
	ServiceUtil.checkProbandLocked(proband);
	if (address.isWireTransfer() && addressDao.getCount(address.getProband().getId(), null, null, null) > 1) { // proband.getAddresses().Xsize() > 1) {
		throw L10nUtil.initServiceException(ServiceExceptionCodes.CANNOT_DELETE_WIRE_TRANSFER_PROBAND_ADDRESS);
	}
	proband.removeAddresses(address);
	address.setProband(null);
	addressDao.remove(address);
	Timestamp now = new Timestamp(System.currentTimeMillis());
	User user = CoreUtil.getUser();
	ServiceUtil.logSystemMessage(proband, result.getProband(), now, user, SystemMessageCodes.PROBAND_ADDRESS_DELETED, result, null, this.getJournalEntryDao());
	return result;
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
public Object get(final String entityName, final Serializable id, final LockMode lockMode)
		throws DataAccessException {

	return executeWithNativeSession(new HibernateCallback<Object>() {
		@Override
		public Object doInHibernate(Session session) throws HibernateException {
			if (lockMode != null) {
				return session.get(entityName, id, new LockOptions(lockMode));
			}
			else {
				return session.get(entityName, id);
			}
		}
	});
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
/**
 * @see org.phoenixctms.ctsms.service.shared.FileService#updateFile(FileInVO, FileContentInVO)
 */
@Override
protected FileOutVO handleUpdateFile(AuthenticationVO auth, FileInVO modifiedFile, FileContentInVO modifiedFileContent)
		throws Exception
		{
	FileDao fileDao = this.getFileDao();
	File originalFile = CheckIDUtil.checkFileId(modifiedFile.getId(), fileDao, LockMode.UPGRADE_NOWAIT);
	checkFileInput(modifiedFile);
	if (!fileDao.toFileOutVO(originalFile).isDecrypted()) {
		throw L10nUtil.initServiceException(ServiceExceptionCodes.CANNOT_DECRYPT_FILE);
	}
	FileOutVO original = fileDao.toFileOutVO(originalFile);
	fileDao.evict(originalFile);
	File file = fileDao.fileInVOToEntity(modifiedFile);
	Timestamp now = new Timestamp(System.currentTimeMillis());
	User user = CoreUtil.getUser();
	CoreUtil.modifyVersion(originalFile, file, now, user);
	saveFileContent(file, modifiedFileContent);
	fileDao.update(file);
	return addFileUpdatedJournalEntry(file, original, now, user);
		}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
public Object get(final String entityName, final Serializable id, final LockMode lockMode)
		throws DataAccessException {

	return executeWithNativeSession(new HibernateCallback<Object>() {
		@Override
		public Object doInHibernate(Session session) throws HibernateException {
			if (lockMode != null) {
				return session.get(entityName, id, lockMode);
			}
			else {
				return session.get(entityName, id);
			}
		}
	});
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
public String appendLockHint(LockOptions lockOptions, String tableName) {
	final LockMode mode = lockOptions.getLockMode();
	switch ( mode ) {
		case UPGRADE:
		case UPGRADE_NOWAIT:
		case PESSIMISTIC_WRITE:
		case WRITE:
			return tableName + " with (updlock, rowlock)";
		case PESSIMISTIC_READ:
			return tableName + " with (holdlock, rowlock)";
		case UPGRADE_SKIPLOCKED:
			return tableName + " with (updlock, rowlock, readpast)";
		default:
			return tableName;
	}
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
private void checkAddEcrfFieldInput(ECRFFieldInVO ecrfFieldIn) throws ServiceException
{
	InputField field = CheckIDUtil.checkInputFieldId(ecrfFieldIn.getFieldId(), this.getInputFieldDao(), LockMode.PESSIMISTIC_WRITE);
	Trial trial = CheckIDUtil.checkTrialId(ecrfFieldIn.getTrialId(), this.getTrialDao());
	ServiceUtil.checkTrialLocked(trial);
	ECRF ecrf = CheckIDUtil.checkEcrfId(ecrfFieldIn.getEcrfId(), this.getECRFDao());
	if (!trial.equals(ecrf.getTrial())) {
		throw L10nUtil.initServiceException(ServiceExceptionCodes.ECRF_FIELD_WRONG_ECRF, CommonUtil.trialOutVOToString(this.getTrialDao().toTrialOutVO(trial)));
	}
	checkEcrfFieldInput(ecrfFieldIn);
	ServiceUtil.checkLockedEcrfs(ecrf, this.getECRFStatusEntryDao(), this.getECRFDao());
	if (ecrfFieldIn.getSeries()
			&& this.getECRFFieldDao().getCount(null, ecrfFieldIn.getEcrfId(), ecrfFieldIn.getSection(), null, null) > 0 // optimization, bulk inserts
			) {
		if (this.getECRFFieldValueDao().getCount(ecrfFieldIn.getEcrfId(), ecrfFieldIn.getSection()) > 0) {
			throw L10nUtil.initServiceException(ServiceExceptionCodes.ECRF_FIELD_SERIES_SECTION_WITH_VALUES, ecrfFieldIn.getSection());
		}
		if (this.getECRFFieldStatusEntryDao().getCount(ecrfFieldIn.getEcrfId(), ecrfFieldIn.getSection()) > 0) {
			throw L10nUtil.initServiceException(ServiceExceptionCodes.ECRF_FIELD_SERIES_SECTION_WITH_STATUS_ENTRIES, ecrfFieldIn.getSection());
		}
	}
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
public LockingStrategy getLockingStrategy(Lockable lockable, LockMode lockMode) {
	// RDMS has no known variation of a "SELECT ... FOR UPDATE" syntax...
	if ( lockMode == LockMode.PESSIMISTIC_FORCE_INCREMENT ) {
		return new PessimisticForceIncrementLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode == LockMode.PESSIMISTIC_WRITE ) {
		return new PessimisticWriteUpdateLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode == LockMode.PESSIMISTIC_READ ) {
		return new PessimisticReadUpdateLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode == LockMode.OPTIMISTIC ) {
		return new OptimisticLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode == LockMode.OPTIMISTIC_FORCE_INCREMENT ) {
		return new OptimisticForceIncrementLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode.greaterThan( LockMode.READ ) ) {
		return new UpdateLockingStrategy( lockable, lockMode );
	}
	else {
		return new SelectLockingStrategy( lockable, lockMode );
	}
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
public LockingStrategy getLockingStrategy(Lockable lockable, LockMode lockMode) {
	if ( lockMode == LockMode.PESSIMISTIC_FORCE_INCREMENT ) {
		return new PessimisticForceIncrementLockingStrategy( lockable, lockMode );
	}
	// else if ( lockMode==LockMode.PESSIMISTIC_WRITE ) {
	// return new PessimisticWriteLockingStrategy( lockable, lockMode );
	// }
	else if ( lockMode == LockMode.PESSIMISTIC_READ ) {
		return new IgnitePessimisticReadLockingStrategy( lockable, lockMode, provider );
	}
	else if ( lockMode == LockMode.OPTIMISTIC ) {
		return new OptimisticLockingStrategy( lockable, lockMode );
	}
	else if ( lockMode == LockMode.OPTIMISTIC_FORCE_INCREMENT ) {
		return new OptimisticForceIncrementLockingStrategy( lockable, lockMode );
	}
	else {
		return null;
	}
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
/**
 * Get a strategy instance which knows how to acquire a database-level lock
 * of the specified mode for this dialect.
 *
 * @param lockable The persister for the entity to be locked.
 * @param lockMode The type of lock to be acquired.
 * @return The appropriate locking strategy.
 * @since 3.2
 */
public LockingStrategy getLockingStrategy(Lockable lockable, LockMode lockMode) {
	switch ( lockMode ) {
		case PESSIMISTIC_FORCE_INCREMENT:
			return new PessimisticForceIncrementLockingStrategy( lockable, lockMode );
		case PESSIMISTIC_WRITE:
			return new PessimisticWriteSelectLockingStrategy( lockable, lockMode );
		case PESSIMISTIC_READ:
			return new PessimisticReadSelectLockingStrategy( lockable, lockMode );
		case OPTIMISTIC:
			return new OptimisticLockingStrategy( lockable, lockMode );
		case OPTIMISTIC_FORCE_INCREMENT:
			return new OptimisticForceIncrementLockingStrategy( lockable, lockMode );
		default:
			return new SelectLockingStrategy( lockable, lockMode );
	}
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
/**
 * @see org.phoenixctms.ctsms.service.staff.StaffService#updateStaff(StaffInVO)
 */
@Override
protected StaffOutVO handleUpdateStaff(AuthenticationVO auth, StaffInVO modifiedStaff, Integer maxInstances, Integer maxParentDepth)
		throws Exception
		{
	StaffDao staffDao = this.getStaffDao();
	Staff originalStaff = CheckIDUtil.checkStaffId(modifiedStaff.getId(), staffDao, LockMode.PESSIMISTIC_WRITE);
	checkStaffInput(modifiedStaff);
	if (originalStaff.isPerson() != modifiedStaff.isPerson()) {
		throw L10nUtil.initServiceException(ServiceExceptionCodes.STAFF_PERSON_FLAG_CHANGED);
	}
	StaffOutVO original = staffDao.toStaffOutVO(originalStaff, maxInstances, maxParentDepth);
	staffDao.evict(originalStaff);
	Staff staff = staffDao.staffInVOToEntity(modifiedStaff);
	checkStaffLoop(staff);
	Timestamp now = new Timestamp(System.currentTimeMillis());
	User user = CoreUtil.getUser();
	CoreUtil.modifyVersion(originalStaff, staff, now, user);
	staffDao.update(staff);
	StaffOutVO result = staffDao.toStaffOutVO(staff, maxInstances, maxParentDepth);
	JournalEntryDao journalEntryDao = this.getJournalEntryDao();
	logSystemMessage(staff, result, now, user, SystemMessageCodes.STAFF_UPDATED, result, original, journalEntryDao);
	return result;
		}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
protected ECRFStatusEntryVO handleSetEcrfStatusEntry(AuthenticationVO auth, Long ecrfId, Long probandListEntryId, Long version, Long ecrfStatusTypeId,
		Long probandListStatusTypeId)
				throws Exception {
	ProbandListEntry listEntry = CheckIDUtil.checkProbandListEntryId(probandListEntryId, this.getProbandListEntryDao(), LockMode.PESSIMISTIC_WRITE);
	ECRF ecrf = CheckIDUtil.checkEcrfId(ecrfId, this.getECRFDao(), LockMode.PESSIMISTIC_WRITE); // lock order, field updates
	ECRFStatusType statusType = CheckIDUtil.checkEcrfStatusTypeId(ecrfStatusTypeId, this.getECRFStatusTypeDao());
	Timestamp now = new Timestamp(System.currentTimeMillis());
	User user = CoreUtil.getUser();
	ECRFStatusEntry originalStatusEntry = this.getECRFStatusEntryDao().findByEcrfListEntry(ecrf.getId(), listEntry.getId());
	ECRFStatusEntryVO result;
	if (originalStatusEntry != null) {
		result = updateEcrfStatusEntry(originalStatusEntry, ecrf, listEntry, statusType, version, probandListStatusTypeId, now, user);
	} else {
		Object[] resultItems = addEcrfStatusEntry(ecrf, listEntry, statusType, probandListStatusTypeId, now, user);
		result = (ECRFStatusEntryVO) resultItems[1];
	}
	return result;
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
public LockingStrategy getLockingStrategy(Lockable lockable, LockMode lockMode) {
	// Frontbase has no known variation of a "SELECT ... FOR UPDATE" syntax...
	if ( lockMode==LockMode.PESSIMISTIC_FORCE_INCREMENT) {
		return new PessimisticForceIncrementLockingStrategy( lockable, lockMode);
	}
	else if ( lockMode==LockMode.PESSIMISTIC_WRITE) {
		return new PessimisticWriteUpdateLockingStrategy( lockable, lockMode);
	}
	else if ( lockMode==LockMode.PESSIMISTIC_READ) {
		return new PessimisticReadUpdateLockingStrategy( lockable, lockMode);
	}
	else if ( lockMode==LockMode.OPTIMISTIC) {
		return new OptimisticLockingStrategy( lockable, lockMode);
	}
	else if ( lockMode==LockMode.OPTIMISTIC_FORCE_INCREMENT) {
		return new OptimisticForceIncrementLockingStrategy( lockable, lockMode);
	}
	else if ( lockMode.greaterThan( LockMode.READ ) ) {
		return new UpdateLockingStrategy( lockable, lockMode );
	}
	else {
		return new SelectLockingStrategy( lockable, lockMode );
	}
}
 

import org.hibernate.LockMode; //導入依賴的package包/類
@Override
protected TrialOutVO handleUpdateTrial(AuthenticationVO auth, TrialInVO modifiedTrial)
		throws Exception {
	TrialDao trialDao = this.getTrialDao();
	Trial originalTrial = CheckIDUtil.checkTrialId(modifiedTrial.getId(), trialDao, LockMode.PESSIMISTIC_WRITE);
	Timestamp now = new Timestamp(System.currentTimeMillis());
	User user = CoreUtil.getUser();
	checkUpdateTrialInput(originalTrial, modifiedTrial, user);
	TrialStatusType originalTrialStatusType = originalTrial.getStatus();
	TrialOutVO original = trialDao.toTrialOutVO(originalTrial);
	this.getTrialStatusTypeDao().evict(originalTrialStatusType);
	trialDao.evict(originalTrial);
	Trial trial = trialDao.trialInVOToEntity(modifiedTrial);
	// Timestamp now = new Timestamp(System.currentTimeMillis());
	// User user = CoreUtil.getUser();
	CoreUtil.modifyVersion(originalTrial, trial, now, user);
	trialDao.update(trial);
	execTrialStatusActions(originalTrialStatusType, trial, now, user);
	TrialOutVO result = trialDao.toTrialOutVO(trial);
	ServiceUtil.logSystemMessage(trial, result, now, user, SystemMessageCodes.TRIAL_UPDATED, result, original, this.getJournalEntryDao());
	return result;
}