Java PlatformTransactionManager.getTransaction方法代码示例

import org.springframework.transaction.PlatformTransactionManager; //导入方法依赖的package包/类
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;
	    }
		
	}
 

import org.springframework.transaction.PlatformTransactionManager; //导入方法依赖的package包/类
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;
	    }
		
	}
 

import org.springframework.transaction.PlatformTransactionManager; //导入方法依赖的package包/类
/**
 * 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(
		PlatformTransactionManager tm, 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);
}
 

import org.springframework.transaction.PlatformTransactionManager; //导入方法依赖的package包/类
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);

}
 

import org.springframework.transaction.PlatformTransactionManager; //导入方法依赖的package包/类
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");

}
 

import org.springframework.transaction.PlatformTransactionManager; //导入方法依赖的package包/类
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);
	    }


	}