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Java EntityTransaction類代碼示例

本文整理匯總了Java中javax.persistence.EntityTransaction類的典型用法代碼示例。如果您正苦於以下問題：Java EntityTransaction類的具體用法？Java EntityTransaction怎麽用？Java EntityTransaction使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。


EntityTransaction類屬於javax.persistence包，在下文中一共展示了EntityTransaction類的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: changeTask

import javax.persistence.EntityTransaction; //導入依賴的package包/類
private void changeTask(long taskId,String username,StatusOperation operation,String faultMessage) {
	EntityManager em=getEntityManager();
	EntityTransaction trans=em.getTransaction();
	try{
		trans.begin();
		Task task=em.find(Task.class, taskId);
		if(StringUtils.isNotEmpty(faultMessage)){
			task.setFaultMessage(faultMessage);
		}
		if(changeTaskStatus(task,operation)){
			em.persist(task);				
		}
		TaskStatus status=task.getStatus();
		if(status.equals(TaskStatus.Completed) || status.equals(TaskStatus.Error) || status.equals(TaskStatus.Exited) || status.equals(TaskStatus.Obsolete) || status.equals(TaskStatus.Failed)){
			StatefulKnowledgeSession session=this.bpmService.getSession(task.getSessionId());
			session.getWorkItemManager().completeWorkItem(task.getWorkItemId(),null);	
			session.dispose();
		}
		trans.commit();
	}catch(Exception ex){
		trans.rollback();
		throw new RuntimeException(ex);
	}
}
開發者ID:bsteker，項目名稱:bdf2，代碼行數:25，代碼來源:TaskServiceImpl.java

示例2: getPermission

import javax.persistence.EntityTransaction; //導入依賴的package包/類
/**
 * retrieves the <code>RolesPermission</code> by the role.
 * 
 * @param role
 *            the role
 * @return userPermissions the list of permissions of the user
 * 
 */
public static Set<String> getPermission(String role) {
	EntityManagerFactory emf = Persistence.createEntityManagerFactory("userData");
	EntityManager em = emf.createEntityManager();
	EntityTransaction tx = em.getTransaction();
	tx.begin();
	CriteriaBuilder cb = em.getCriteriaBuilder();
	CriteriaQuery<RolePermission> q = cb.createQuery(RolePermission.class);
	Root<RolePermission> c = q.from(RolePermission.class);
	q.select(c).where(cb.equal(c.get("roleName"), role));
	TypedQuery<RolePermission> query = em.createQuery(q);
	List<RolePermission> permissions = query.getResultList();
	Set<String> userPermissions = new HashSet<String>();
	for (RolePermission permission : permissions)
		userPermissions.add(permission.getPermission());
	tx.commit();
	em.close();
	return userPermissions;
}
開發者ID:ETspielberg，項目名稱:bibliometrics，代碼行數:27，代碼來源:RolePermissionDAO.java

示例3: merge

import javax.persistence.EntityTransaction; //導入依賴的package包/類
public static ReceivedTexts merge(ReceivedTexts text) {
    if (text != null) {
        EntityManager em = EMFUtil.getEMFactory().createEntityManager();
        EntityTransaction trans = em.getTransaction();
        try {
            trans.begin();
            text = em.merge(text);
            trans.commit();
            return text;
        } catch (Exception e) {
            e.printStackTrace();
            trans.rollback();
        } finally {
            em.close();
        }
    }
    return null;
}
開發者ID:faizan-ali，項目名稱:full-javaee-app，代碼行數:19，代碼來源:ReceivedTextDataAccessObject.java

示例4: persist

import javax.persistence.EntityTransaction; //導入依賴的package包/類
public static WeeklyStats persist (WeeklyStats stats) {
	if (stats != null) {
           EntityManager em = EMFUtil.getEMFactory().createEntityManager();
           EntityTransaction trans = em.getTransaction();
           try {
               trans.begin();
               em.persist(stats);
               trans.commit();
               return stats;
           } catch (Exception e) {
               e.printStackTrace();
               trans.rollback();
           } finally {
               em.close();
           }
	}
	return null;
}
開發者ID:faizan-ali，項目名稱:full-javaee-app，代碼行數:19，代碼來源:WeeklyStatsDataAccessObject.java

示例5: changeTaskOwner

import javax.persistence.EntityTransaction; //導入依賴的package包/類
public void changeTaskOwner(long taskId, String newOwner) {
	Task task=this.getTask(taskId);
	if(task.getStatus().equals(TaskStatus.Created)){
		EntityManager em=getEntityManager();
		EntityTransaction trans=em.getTransaction();
		try{
			trans.begin();
			task.setOwner(newOwner);
			em.persist(task);
			trans.commit();
		}catch(Exception ex){
			trans.rollback();
			throw new RuntimeException(ex);
		}
	}else{
		throw new IllegalStateException("Current task status is "+task.getStatus()+",can not change it owner!");
	}
}
開發者ID:bsteker，項目名稱:bdf2，代碼行數:19，代碼來源:TaskServiceImpl.java

示例6: main

import javax.persistence.EntityTransaction; //導入依賴的package包/類
/**
 * @param args the command line arguments
 */
@PersistenceUnit
public static void main(String[] args) {
    System.out.println("Creating entity information...");
    EntityManager entityManager = Persistence.createEntityManagerFactory("DataAppLibraryPULocal").createEntityManager();
    EntityTransaction et = entityManager.getTransaction();
    et.begin();
    loadDiscountRate(entityManager);
    loadRegion(entityManager);
    loadRole(entityManager);
    loadTransmission(entityManager);
    loadProductType(entityManager);
    loadEngine(entityManager);
    loadProduct(entityManager);
    et.commit();
    
    
    EntityManager specialEntityManager = new InitialLoadEntityManagerProxy(entityManager);
    SalesSimulator simulator = new SalesSimulator(specialEntityManager);
    Calendar cal = Calendar.getInstance();
    int year = cal.get(Calendar.YEAR);
    cal.clear();
    cal.set(year-1, 0, 1, 0, 0, 0); // go back to begining of year, 3 years ago
    System.out.println("Creating historical data...");
    System.out.println("        This may take 5 to 15min depending on machine speed.");
    simulator.run(cal.getTime(), new Date());
    
    entityManager.close();
}
開發者ID:jalian-systems，項目名稱:marathonv5，代碼行數:32，代碼來源:DataAppLoader.java

示例7: insertButtonActionPerformed

import javax.persistence.EntityTransaction; //導入依賴的package包/類
private void insertButtonActionPerformed(ActionEvent evt) 
{
   Addresses address = new Addresses();
   address.setFirstname(firstNameTextField.getText());
   address.setLastname(lastNameTextField.getText());
   address.setPhonenumber(phoneTextField.getText());
   address.setEmail(emailTextField.getText());
   
   // get an EntityTransaction to manage insert operation
   EntityTransaction transaction = entityManager.getTransaction();
   
   try
   {
      transaction.begin(); // start transaction
      entityManager.persist(address); // store new entry
      transaction.commit(); // commit changes to the database
      JOptionPane.showMessageDialog(this, "Person added!",
         "Person added", JOptionPane.PLAIN_MESSAGE);
   }
   catch (Exception e) // if transaction failed
   {
      transaction.rollback(); // undo database operations 
      JOptionPane.showMessageDialog(this, "Person not added!",
         e.getMessage(), JOptionPane.PLAIN_MESSAGE);
   }
}
開發者ID:cleitonferreira，項目名稱:LivroJavaComoProgramar10Edicao，代碼行數:27，代碼來源:AddressBook.java

示例8: runInTran

import javax.persistence.EntityTransaction; //導入依賴的package包/類
private <T> T runInTran(Callable<T> arg0) {
    EntityTransaction tx = this.em.getTransaction();
    try {
        tx.begin();
        T o = arg0.call();
        tx.commit();

        callListeners(TransactionStatus.COMMITTED);

        return o;
    } catch (Exception e) {
        tx.rollback();
        callListeners(TransactionStatus.ROLLED_BACK);
        if(e instanceof ScopedWorkException) {
            throw (ScopedWorkException) e;
        }
        throw new ScopedWorkException("The work failed", e, getCurrentContext());
    } finally {
        this.txActive.compareAndSet(true, false);
        this.context.clear();
        this.em.clear();
    }
}
開發者ID:opensecuritycontroller，項目名稱:osc-core，代碼行數:24，代碼來源:TestTransactionControl.java

示例9: persistInATransaction

import javax.persistence.EntityTransaction; //導入依賴的package包/類
private boolean persistInATransaction(Object... obj) {
    EntityTransaction tx = em.getTransaction();
    tx.begin();

    try {
        for(Object o : obj) {
            em.persist(o);
        }
        tx.commit();
    } catch (Exception e) {
        System.out.println("FAILED TRANSACTION: " + e.toString());
        tx.rollback();
        return false;
    }

    return true;
}
開發者ID:arcuri82，項目名稱:testing_security_development_enterprise_systems，代碼行數:18，代碼來源:NotStandardTest.java

示例10: createThread

import javax.persistence.EntityTransaction; //導入依賴的package包/類
private Thread createThread(Consumer<EntityManager> command) {

        return new Thread(() ->{
            EntityManager em = factory.createEntityManager();
            EntityTransaction tx = em.getTransaction();

            tx.begin();
            try{
                command.accept(em);
                tx.commit();
            } catch (Exception e){
                tx.rollback();
                System.out.println("\n\nFailed transaction on separated thread: "+e.getCause().toString()+"\n\n");
            }
            em.close();
        });
    }
開發者ID:arcuri82，項目名稱:testing_security_development_enterprise_systems，代碼行數:18，代碼來源:TransactionExecutor.java

示例11: persistInATransaction

import javax.persistence.EntityTransaction; //導入依賴的package包/類
protected boolean persistInATransaction(Object... obj) {
    EntityTransaction tx = em.getTransaction();
    tx.begin();

    try {
        for (Object o : obj) {
            em.persist(o);
        }
        tx.commit();
    } catch (Exception e) {
        System.out.println("FAILED TRANSACTION: " + e.toString());
        tx.rollback();
        return false;
    }

    return true;
}
開發者ID:arcuri82，項目名稱:testing_security_development_enterprise_systems，代碼行數:18，代碼來源:EntityTestBase.java

示例12: testQuiz

import javax.persistence.EntityTransaction; //導入依賴的package包/類
@Test
public void testQuiz(){

    Quiz quiz = new Quiz();
    quiz.setQuestion("Will this test pass?");
    quiz.setFirstAnswer("Yes");
    quiz.setSecondAnswer("No");
    quiz.setThirdAnswer("Maybe");
    quiz.setFourthAnswer("No idea");
    quiz.setIndexOfCorrectAnswer(0);

    EntityManagerFactory factory = Persistence.createEntityManagerFactory("DB");
    EntityManager em = factory.createEntityManager();

    EntityTransaction tx = em.getTransaction();
    tx.begin();

    em.persist(quiz);

    tx.commit();
}
開發者ID:arcuri82，項目名稱:testing_security_development_enterprise_systems，代碼行數:22，代碼來源:QuizEntityTest.java

示例13: persistInATransaction

import javax.persistence.EntityTransaction; //導入依賴的package包/類
protected boolean persistInATransaction(Object... obj) {
    EntityTransaction tx = em.getTransaction();
    tx.begin();

    try {
        for(Object o : obj) {
            em.persist(o);
        }
        tx.commit();
    } catch (Exception e) {
        System.out.println("FAILED TRANSACTION: " + e.toString());
        tx.rollback();
        return false;
    }

    return true;
}
開發者ID:arcuri82，項目名稱:testing_security_development_enterprise_systems，代碼行數:18，代碼來源:EntityTestBase.java

示例14: doRollback

import javax.persistence.EntityTransaction; //導入依賴的package包/類
@Override
protected void doRollback(DefaultTransactionStatus status) {
	JpaTransactionObject txObject = (JpaTransactionObject) status.getTransaction();
	if (status.isDebug()) {
		logger.debug("Rolling back JPA transaction on EntityManager [" +
				txObject.getEntityManagerHolder().getEntityManager() + "]");
	}
	try {
		EntityTransaction tx = txObject.getEntityManagerHolder().getEntityManager().getTransaction();
		if (tx.isActive()) {
			tx.rollback();
		}
	}
	catch (PersistenceException ex) {
		throw new TransactionSystemException("Could not roll back JPA transaction", ex);
	}
	finally {
		if (!txObject.isNewEntityManagerHolder()) {
			// Clear all pending inserts/updates/deletes in the EntityManager.
			// Necessary for pre-bound EntityManagers, to avoid inconsistent state.
			txObject.getEntityManagerHolder().getEntityManager().clear();
		}
	}
}
開發者ID:lamsfoundation，項目名稱:lams，代碼行數:25，代碼來源:JpaTransactionManager.java

示例15: getUser

import javax.persistence.EntityTransaction; //導入依賴的package包/類
public static User getUser(String username) {
    EntityManagerFactory emf = Persistence.createEntityManagerFactory("userData");
    EntityManager em = emf.createEntityManager();
	EntityTransaction tx = em.getTransaction();
	tx.begin();
	CriteriaBuilder cb = em.getCriteriaBuilder();
	CriteriaQuery<User> q = cb.createQuery(User.class);
	Root<User> c = q.from(User.class);
	q.select(c).where(cb.equal(c.get("username"), username));
	TypedQuery<User> query = em.createQuery(q);
	List<User> users = query.getResultList();
	em.close();
	LOGGER.info("found " + users.size() + " users with username " + username);
	if (users.size() == 1)
		return users.get(0);
	else
		return null;
}
開發者ID:ETspielberg，項目名稱:bibliometrics，代碼行數:19，代碼來源:UserDAO.java


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