Java Code Examples for org.springframework.transaction.PlatformTransactionManager#getTransaction()

public void init() {
	log.info("Initializing " + getClass().getName());
	if(cmAdmin == null) {
		return;
	}
	if(loadSampleData) {
		loginToSakai();
		PlatformTransactionManager tm = (PlatformTransactionManager)beanFactory.getBean("org.sakaiproject.springframework.orm.hibernate.GlobalTransactionManager");
		DefaultTransactionDefinition def = new DefaultTransactionDefinition();
		def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
		TransactionStatus status = tm.getTransaction(def);
		try {
			load();
		} catch (Exception e) {
			log.error("Unable to load CM data: " + e);
			tm.rollback(status);
		} finally {
			if(!status.isCompleted()) {
				tm.commit(status);
			}
		}
		logoutFromSakai();
	} else {
		if(log.isInfoEnabled()) log.info("Skipped CM data load");
	}
}
 

/**
 * 补偿的时候，不走分布式事务处理.
 *
 * @param point point 切点
 * @param info  信息
 * @return Object
 * @throws Throwable ex
 */
@Override
public Object handler(final ProceedingJoinPoint point, final TxTransactionInfo info) throws Throwable {
    TxTransactionLocal.getInstance().setTxGroupId(CommonConstant.COMPENSATE_ID);

    PlatformTransactionManager platformTransactionManager =
            TransactionManagerHelper.getTransactionManager(info.getTransactionManager());
    DefaultTransactionDefinition def = new DefaultTransactionDefinition();
    def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
    TransactionStatus transactionStatus = platformTransactionManager.getTransaction(def);
    try {
        final Object proceed = point.proceed();
        platformTransactionManager.commit(transactionStatus);
        return proceed;
    } catch (Throwable e) {
        platformTransactionManager.rollback(transactionStatus);
        throw e;
    } finally {
        TxTransactionLocal.getInstance().removeTxGroupId();
        CompensationLocal.getInstance().removeCompensationId();
    }
}
 

public Object execGroovyRetObjByDbTranNest(String groovyName, String methodName, Integer nestDef,
			Object... paramArray) throws Exception{
/*		MicroMetaDao microDao=MicroMetaDao.getInstance(dbName,dbType);
		DataSource dataSource=microDao.getMicroDataSource();
		PlatformTransactionManager  transactionManager=new DataSourceTransactionManager(dataSource);*/
		PlatformTransactionManager  transactionManager=MicroTranManagerHolder.getTransactionManager(dbName);
	    DefaultTransactionDefinition def =new DefaultTransactionDefinition();
	    def.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);
	    if(nestDef==null){
	    	nestDef=TransactionDefinition.PROPAGATION_REQUIRED;
	    }
	    def.setPropagationBehavior(nestDef);
	    TransactionStatus status=transactionManager.getTransaction(def);
	    try
	    {
	    	Object retObj= GroovyExecUtil.execGroovyRetObj(groovyName, methodName, paramArray);
	    	transactionManager.commit(status);
	    	return retObj;
	    }
	    catch(Exception ex)
	    {
	    	transactionManager.rollback(status);
	        throw ex;
	    }
		
	}
 

public Object execGroovyRetObjByDbTranNest(String groovyName, String methodName, Integer nestDef,
			Object... paramArray) throws Exception{
/*		MicroMetaDao microDao=MicroMetaDao.getInstance(dbName,dbType);
		DataSource dataSource=microDao.getMicroDataSource();
		PlatformTransactionManager  transactionManager=new DataSourceTransactionManager(dataSource);*/
		PlatformTransactionManager  transactionManager=MicroTranManagerHolder.getTransactionManager(dbName);
	    DefaultTransactionDefinition def =new DefaultTransactionDefinition();
	    def.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);
	    if(nestDef==null){
	    	nestDef=TransactionDefinition.PROPAGATION_REQUIRED;
	    }
	    def.setPropagationBehavior(nestDef);
	    TransactionStatus status=transactionManager.getTransaction(def);
	    try
	    {
	    	Object retObj= GroovyExecUtil.execGroovyRetObj(groovyName, methodName, paramArray);
	    	transactionManager.commit(status);
	    	return retObj;
	    }
	    catch(Exception ex)
	    {
	    	transactionManager.rollback(status);
	        throw ex;
	    }
		
	}
 

public Object execGroovyRetObjByDbTran(String groovyName, String methodName,
			Object... paramArray) throws Exception{
/*		MicroMetaDao microDao=MicroMetaDao.getInstance(dbName,dbType);
		DataSource dataSource=microDao.getMicroDataSource();
		PlatformTransactionManager  transactionManager=new DataSourceTransactionManager(dataSource);*/
		PlatformTransactionManager  transactionManager=MicroTranManagerHolder.getTransactionManager(dbName);
	    DefaultTransactionDefinition def =new DefaultTransactionDefinition();
	    def.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);
	    def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
	    TransactionStatus status=transactionManager.getTransaction(def);
	    try
	    {
	    	Object retObj= GroovyExecUtil.execGroovyRetObj(groovyName, methodName, paramArray);
	    	transactionManager.commit(status);
	    	return retObj;
	    }
	    catch(Exception ex)
	    {
	    	transactionManager.rollback(status);
	        throw ex;
	    }
		
	}
 

public IbisTransaction(PlatformTransactionManager txManager, TransactionDefinition txDef, String object) {
	this.txManager = txManager;
	this.txDef = txDef;
	this.object = object;

	txClientIsActive = TransactionSynchronizationManager.isActualTransactionActive();
	txClientName = TransactionSynchronizationManager.getCurrentTransactionName();

	txStatus = txManager.getTransaction(txDef);

	txIsActive = TransactionSynchronizationManager.isActualTransactionActive();
	txIsNew = txStatus.isNewTransaction();

	if (txIsNew) {
		txName = Misc.createSimpleUUID();
		TransactionSynchronizationManager.setCurrentTransactionName(txName);
		int txTimeout = txDef.getTimeout();
		log.debug("Transaction manager ["+getRealTransactionManager()+"] created a new transaction ["+txName+"] for " + object + " with timeout [" + (txTimeout<0?"system default(=120s)":""+txTimeout) + "]");
	} else {
		txName = TransactionSynchronizationManager.getCurrentTransactionName();
		if (txClientIsActive && !txIsActive) {
			log.debug("Transaction manager ["+getRealTransactionManager()+"] suspended the transaction [" + txClientName + "] for " + object);
		}
	}
}
 

public void init() {
	log.info("Initializing " + getClass().getName());
	if(cmAdmin == null) {
		return;
	}
	if(loadSampleData) {
		loginToSakai();
		PlatformTransactionManager tm = (PlatformTransactionManager)beanFactory.getBean("org.sakaiproject.springframework.orm.hibernate.GlobalTransactionManager");
		DefaultTransactionDefinition def = new DefaultTransactionDefinition();
		def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
		TransactionStatus status = tm.getTransaction(def);
		try {
			load();
		} catch (Exception e) {
			log.error("Unable to load CM data: " + e);
			tm.rollback(status);
		} finally {
			if(!status.isCompleted()) {
				tm.commit(status);
			}
		}
		logoutFromSakai();
	} else {
		if(log.isInfoEnabled()) log.info("Skipped CM data load");
	}
}
 

/**
 * Create a transaction if necessary based on the given TransactionAttribute.
 * <p>Allows callers to perform custom TransactionAttribute lookups through
 * the TransactionAttributeSource.
 * @param txAttr the TransactionAttribute (may be {@code null})
 * @param joinpointIdentification the fully qualified method name
 * (used for monitoring and logging purposes)
 * @return a TransactionInfo object, whether or not a transaction was created.
 * The {@code hasTransaction()} method on TransactionInfo can be used to
 * tell if there was a transaction created.
 * @see #getTransactionAttributeSource()
 */
@SuppressWarnings("serial")
protected TransactionInfo createTransactionIfNecessary(@Nullable PlatformTransactionManager tm,
		@Nullable TransactionAttribute txAttr, final String joinpointIdentification) {

	// If no name specified, apply method identification as transaction name.
	if (txAttr != null && txAttr.getName() == null) {
		txAttr = new DelegatingTransactionAttribute(txAttr) {
			@Override
			public String getName() {
				return joinpointIdentification;
			}
		};
	}

	TransactionStatus status = null;
	if (txAttr != null) {
		if (tm != null) {
			status = tm.getTransaction(txAttr);
		}
		else {
			if (logger.isDebugEnabled()) {
				logger.debug("Skipping transactional joinpoint [" + joinpointIdentification +
						"] because no transaction manager has been configured");
			}
		}
	}
	return prepareTransactionInfo(tm, txAttr, joinpointIdentification, status);
}
 

public Integer getSeqByMysql(String seqKey){

		PlatformTransactionManager  transactionManager=MicroTranManagerHolder.getTransactionManager(dbName);
	    DefaultTransactionDefinition def =new DefaultTransactionDefinition();
	    def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
	    TransactionStatus status=transactionManager.getTransaction(def);
	    try
	    {
			String sql="select get_micro_seq('"+seqKey+"') as seq";
			List retList=getInnerDao().queryObjJoinByCondition(sql);
			if(retList==null){
				transactionManager.commit(status);
				return null;
			}
			Map retMap=(Map) retList.get(0);
			Integer seq=(Integer) retMap.get("seq");
			transactionManager.commit(status);
			return seq;	    	
	    }
	    catch(Exception ex)
	    {
	    	transactionManager.rollback(status);
	        throw new RuntimeException("getseq error",ex);
	    }


	}
 

public void dbTranNestRollbackAndThrow() throws Exception{
	PlatformTransactionManager  transactionManager=MicroTranManagerHolder.getTransactionManager(dbName);
    DefaultTransactionDefinition def =new DefaultTransactionDefinition();
    def.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);
    def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
    TransactionStatus status=transactionManager.getTransaction(def);
    transactionManager.rollback(status);
    throw new RuntimeException("dbTranNestRollbackAndThrow");

}
 

public void dbTranNestRollback() throws Exception{
	PlatformTransactionManager  transactionManager=MicroTranManagerHolder.getTransactionManager(dbName);
    DefaultTransactionDefinition def =new DefaultTransactionDefinition();
    def.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);
    def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
    TransactionStatus status=transactionManager.getTransaction(def);
    transactionManager.rollback(status);

}
 

public Integer getSeqByMysql(String seqKey){

		PlatformTransactionManager  transactionManager=MicroTranManagerHolder.getTransactionManager(dbName);
	    DefaultTransactionDefinition def =new DefaultTransactionDefinition();
	    def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
	    TransactionStatus status=transactionManager.getTransaction(def);
	    try
	    {
			String sql="select get_micro_seq('"+seqKey+"') as seq";
			List retList=getInnerDao().queryObjJoinByCondition(sql);
			if(retList==null){
				transactionManager.commit(status);
				return null;
			}
			Map retMap=(Map) retList.get(0);
			Integer seq=(Integer) retMap.get("seq");
			transactionManager.commit(status);
			return seq;	    	
	    }
	    catch(Exception ex)
	    {
	    	transactionManager.rollback(status);
	        throw new RuntimeException("getseq error",ex);
	    }


	}
 

public void dbTranNestRollback() throws Exception{
	PlatformTransactionManager  transactionManager=MicroTranManagerHolder.getTransactionManager(dbName);
    DefaultTransactionDefinition def =new DefaultTransactionDefinition();
    def.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);
    def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
    TransactionStatus status=transactionManager.getTransaction(def);
    transactionManager.rollback(status);

}
 

public void run(PlatformTransactionManager transactionManager, DataSource dataSource, TransactionDefinition def) throws Exception {
    TransactionStatus txnStatus = transactionManager.getTransaction(def);
    try {
        Connection con = DataSourceUtils.getConnection(dataSource);
        try {
            execute(con);
        } finally {
            DataSourceUtils.releaseConnection(con, dataSource);
        }
    } catch (Exception e) {
        transactionManager.rollback(txnStatus);
        throw e;
    }
    transactionManager.commit(txnStatus);
}
 

private void deleteMessage(IMessageBrowser mb, String messageId, PlatformTransactionManager transactionManager) throws Throwable {
	TransactionStatus txStatus = null;
	try {
		txStatus = transactionManager.getTransaction(TXNEW);
		mb.deleteMessage(messageId);
	} catch (Throwable e) {
		txStatus.setRollbackOnly();
		error(", ", "errors.generic", "error occured deleting message", e);
		throw e;
	} finally { 
		transactionManager.commit(txStatus);
	}
}
 

/**
 * We need to disable transaction synchronization so that the shared
 * transaction synchronization state will not collide with each other. BUT,
 * for LOB creators to use, we have to pay attention here:
 * <ul>
 * <li>if the LOB creator use standard preparedStatement methods, this
 * transaction synchronization setting is OK;</li>
 * <li>if the LOB creator don't use standard PS methods, you have to find
 * other way to make sure the resources your LOB creator used should be
 * cleaned up after the transaction.</li>
 * </ul>
 */
@Override
protected void doBegin(Object transactionObject,
		TransactionDefinition transactionDefinition)
				throws TransactionException {
	@SuppressWarnings("unchecked")
	List<DefaultTransactionStatus> list = (List<DefaultTransactionStatus>) transactionObject;
	for (PlatformTransactionManager transactionManager : transactionManagers) {
		DefaultTransactionStatus element = (DefaultTransactionStatus) transactionManager
				.getTransaction(transactionDefinition);
		list.add(element);
	}
}
 

protected TransactionStatus createTransactionStatus(final PlatformTransactionManager transactionManager,
                                                    final int isolationLevel) {
    DefaultTransactionDefinition def = new DefaultTransactionDefinition();
    def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);
    def.setIsolationLevel(isolationLevel);
    return transactionManager.getTransaction(def);
}
 

/**
 * If retrieving budget locks fails, this method rolls back previous changes
 *
 */
protected void doRollback() {
    PlatformTransactionManager transactionManager = SpringContext.getBean(PlatformTransactionManager.class);
    DefaultTransactionDefinition defaultTransactionDefinition = new DefaultTransactionDefinition();
    TransactionStatus transactionStatus = transactionManager.getTransaction(defaultTransactionDefinition);
    transactionManager.rollback( transactionStatus );

}
 

@Override
public TransactionStatus getTransaction(TransactionDefinition definition)
		throws TransactionException {
	
	MultiDataSourcesTransactionStatus transactionStatus = new MultiDataSourcesTransactionStatus();
	
	log.debug("Operation '" + definition.getName() + "' starting transaction.");
	
	for (DataSource dataSource : dataSources) {
		DefaultTransactionDefinition defaultTransactionDefinition = new DefaultTransactionDefinition(definition);
		defaultTransactionDefinition.setName(definition.getName());

		PlatformTransactionManager txManager = this.transactionManagers.get(dataSource);
		TransactionStatus status = txManager.getTransaction(defaultTransactionDefinition);

		TransactionSynchronizationManager.setCurrentTransactionName(defaultTransactionDefinition.getName());
		
		transactionStatus.put(dataSource, status);
	}

	return transactionStatus;

}
 

private void withTransactionalEntityManager(Consumer<EntityManager> consumer) {

		PlatformTransactionManager manager = context.getBean(PlatformTransactionManager.class);
		TransactionStatus status = manager.getTransaction(new DefaultTransactionDefinition());

		EntityManager em = context.getBean(EntityManager.class);

		consumer.accept(em);

		em.flush();
		manager.commit(status);
		em.close();
	}