public interface JdbcTemplate extends JdbcOperations { public abstract void beginTranstaion(); public abstract void commit(); public abstract void rollback(); }

public class JdbcTemplateImpl extends org.springframework.jdbc.core.JdbcTemplate implements JdbcTemplate {  private PlatformTransactionManager platformTransactionManager;  private DefaultTransactionDefinition transactionDefinition;  private ThreadLocal<TransactionStatus> transcationStatus = new ThreadLocal<TransactionStatus>();  public void beginTranstaion() {   TransactionStatus tmp = platformTransactionManager.getTransaction(transactionDefinition);   transcationStatus.set(tmp);  }  public void commit() {   TransactionStatus tmp = transcationStatus.get();   if (tmp == null) {    throw new RMSRuntimeException("no transcation");   }   platformTransactionManager.commit(tmp);   transcationStatus.remove();  }  public void rollback() {   TransactionStatus tmp = transcationStatus.get();   if (tmp == null) {    throw new RMSRuntimeException("no transcation");   }   platformTransactionManager.rollback(tmp);   transcationStatus.remove();  }  @Override  public void afterPropertiesSet() {   super.afterPropertiesSet();   transactionDefinition = new DefaultTransactionDefinition();   transactionDefinition.setIsolationLevel(TransactionDefinition.ISOLATION_READ_COMMITTED);   transactionDefinition.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRED);   platformTransactionManager = new DataSourceTransactionManager(getDataSource());  }  public PlatformTransactionManager getPlatformTransactionManager() {   return platformTransactionManager;  }  public DefaultTransactionDefinition getTransactionDefinition() {   return transactionDefinition;  }  public ThreadLocal<TransactionStatus> getTranscationStatus() {   return transcationStatus;  } }