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README
LGPL-3.0

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。

一、快速入门

1.1. 加入maven依赖

1.1.1. 使用Spring Cloud
<dependency>
	<groupId>org.bytesoft</groupId>
	<artifactId>bytetcc-supports-springcloud</artifactId>
	<version>0.5.10</version>
</dependency>
1.1.2. 使用dubbo
<dependency>
	<groupId>org.bytesoft</groupId>
	<artifactId>bytetcc-supports-dubbo</artifactId>
	<version>0.5.10</version>
</dependency>

1.2. 编写业务服务

@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);
	}

}

1.3. 编写confirm服务

@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);
	}

}

1.4. 编写cancel服务

@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);
	}

}

二、文档 & 样例

三、ByteTCC特性

  • 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;
  • 7、提供框架层面的幂等性保障;

四、历史版本

4.1. v0.3.x

4.2. v0.2.0-alpha

4.3. v0.1.2

4.4. v0.1

五、建议及改进

若您有任何建议,可以通过1)加入qq群537445956/606453172/383515467向群主提出,或2)发送邮件至bytefox#126.com向我反馈。本人承诺,任何建议都将会被认真考虑,优秀的建议将会被采用,但不保证一定会在当前版本中实现。

GNU LESSER GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. This version of the GNU Lesser General Public License incorporates the terms and conditions of version 3 of the GNU General Public License, supplemented by the additional permissions listed below. 0. Additional Definitions. As used herein, "this License" refers to version 3 of the GNU Lesser General Public License, and the "GNU GPL" refers to version 3 of the GNU General Public License. "The Library" refers to a covered work governed by this License, other than an Application or a Combined Work as defined below. An "Application" is any work that makes use of an interface provided by the Library, but which is not otherwise based on the Library. 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简介

ByteTCC Transaction Manager旨在提供一个兼容JTA的基于TCC机制的分布式事务管理器。用户手册: https://github.com/liuyangming/ByteTCC/wiki 展开 收起
Java
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