ByteTCC是一个基于TCC(Try/Confirm/Cancel)机制的分布式事务管理器。兼容JTA,可以很好的与EJB、Spring等容器(本文档下文说明中将以Spring容器为例)进行集成。
<dependency>
<groupId>org.bytesoft</groupId>
<artifactId>bytetcc-supports-springcloud</artifactId>
<version>0.5.0-ALPHA8</version>
</dependency>
<dependency>
<groupId>org.bytesoft</groupId>
<artifactId>bytetcc-supports-dubbo</artifactId>
<version>0.5.0-ALPHA8</version>
</dependency>
@Service("accountService")
@Compensable(
interfaceClass = IAccountService.class
, confirmableKey = "accountServiceConfirm"
, cancellableKey = "accountServiceCancel"
)
public class AccountServiceImpl implements IAccountService {
@Resource(name = "jdbcTemplate")
private JdbcTemplate jdbcTemplate;
@Transactional
public void increaseAmount(String accountId, double amount) throws ServiceException {
this.jdbcTemplate.update("update tb_account set frozen = frozen + ? where acct_id = ?", amount, acctId);
}
}
@Service("accountServiceConfirm")
public class AccountServiceConfirm implements IAccountService {
@Resource(name = "jdbcTemplate")
private JdbcTemplate jdbcTemplate;
@Transactional
public void increaseAmount(String accountId, double amount) throws ServiceException {
this.jdbcTemplate.update("update tb_account set amount = amount + ?, frozen = frozen - ? where acct_id = ?", amount, amount, acctId);
}
}
@Service("accountServiceCancel")
public class AccountServiceCancel implements IAccountService {
@Resource(name = "jdbcTemplate")
private JdbcTemplate jdbcTemplate;
@Transactional
public void increaseAmount(String accountId, double amount) throws ServiceException {
this.jdbcTemplate.update("update tb_account set frozen = frozen - ? where acct_id = ?", amount, acctId);
}
}
- 使用文档: https://github.com/liuyangming/ByteTCC/wiki
- 使用样例: https://github.com/liuyangming/ByteTCC-sample
- 1、支持Spring容器的声明式事务管理;
- 2、支持普通事务、TCC事务、saga事务等事务机制;
- 3、支持多数据源、跨应用、跨服务器等分布式事务场景;
- 4、支持长事务;
- 5、支持dubbo服务框架;
- 6、支持spring cloud;
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