相关介绍文章:
《『设计』Slithice 分布式架构设计-支持一体式开发,分布式发布》
《『集群』003 Slithice 最简分布式(多个客户端,一个独立服务端)》
《『集群』004 Slithice 集群分布式(多个客户端,基于中央服务器的多个集群服务端)》
《『集群』005 Slithice 基于 集群 的 自动容错》
《『集群』006 Slithice 后期改进 和 Slithice可能存在的BUG》
版本库:
Slithice是做什么的
Slithice 是一个 跨平台 的 分布式架构 框架;
旨在简化 分布式开发 的开发难度,节省 开发成本 和 后期维护成本;
并提供 稳定 的分布式容错机制;
其 界面化的集群配置,一体式开发&分布式发布,插件覆盖,容错调度 是 Slithice 最大的亮点;
Slithice 提供 任意 程序集,任意命名空间,任意类名 的 扩展,包括:
配置数据获取方式的扩展(从 什么地方 找寻 服务器配置数据);
调度方式的扩展(比如WCF,Socket,WebService等);
功能插件的扩展(这个就是 最重要的了);
Ps. Slithice 并非 只 针对 集群服务器,同时 Slithice 也支持 最简单的 一个服务端&多个客户端 的 最简分布式;
Slithice名字的由来
Slithice 是 DotA 故事中,娜迦海妖 的名字 —— 只是因为 半年前 练习 小娜迦,所以 才 选取了这个名字;
Slithice的版本演化
之前时间,Slithice 的 架构设想 闪现于脑海,于是 整理了最简单的 设计手稿 和 实现目标
2013-02-10 Project版本库 正式动工 取名 Slithice 2013 累计耗时20小时,完成 先行版 Demo;
2013-06-10 Laura版本库 项目迁移 维持原名 累计耗时60小时,完成 现在版本;
Slithice的目标
Slithice 的 基本目标 就是 简化 集群分布式 开发;
Slithice 的 终极目标 就是 跨平台:
服务端 可以用 .Net、Java 等开发;
客户端 可以用 .Net-PC、.Net-WinCE、.Net-WinPhone、Java、Android、IPhone 等开发;
—— 想必,这是 极好的;
顺带提一下 Slithice 的序列化
Slithice 支持 .Net 自带的序列化(不能跨WinCE等平台) 和 Laura.Serialization 序列化 —— 没有使用架构;
Laura.Serialization 是 作者顺手 累计 30小时 完成的 一个 序列化算法;
Laura.Serialization 支持 .Net-PC、.Net-WinCE 两个平台;
Laura.Serialization 序列化的 byte[] 结构分为:类型区,数据区,结构区
Laura.Serialization 设计思想,只要对 类型区 进行控制:基本就能实现 跨 Java,Android 等 其他平台;
Laura.Serialization 作者顺手 5小时,写了一个 Json 序列化算法(用 字符串 跨平台 显得容易很多)
Slithice集群配置工具 主界面
在测试 Slithice 的 Demo 中,我配置了 7个服务端:
一个 WCF 的 中央服务端;
两个 WCF 的 成员服务端(私有 – 前面有一个棕色皮包的图标);
两个 Socket 的 成员服务端;
两个 WebService 的 成员服务端;
Slithice集群配置工具 配置界面
我们看到的是 WebService_002 的 配置
>蓝色区域 里面的 是 当前服务端 自己可以处理的 Action;
>红色区域 里面的 是 当前服务端 自己不能处理,但是 可以 调度出去的 Action;
>紫色区域 里面的 是 当前服务器 可以调度 的 子服务器(就是 两个 WCF 服务);
>按照 Slithice 的设计思想:能够自己处理的任务,除了强制指定任务的服务器外,基本都会自己处理,自己处理不了的,才会进行调度;
上面 展示的 是 WebService_002 可以调度 出去的 Action;
>TestAction_001、TestAction_002 两个 子服务器 都可以 调度;
>TestAction_1_001、TestAction_1_002 只有 ConsoleWCFService_001 可以调度;
>这里,做了一个 BUG配置:我们将 Slithice_ResetService(重置服务器) 的功能 没有 勾选为自己处理,结果 重置服务器 的功能 也将会 被调度;(Slithice 内置的 Action插件 并没有 特权)
>调度几率:在配置 服务端 时候,可以按照 服务端 所在的 硬件设备 的处理能力 设置 这个值,默认 100000;当 对一个 服务端的 调度 出现错误时,该值 会 -1,调度成功时,该值 会 +1 —— 调度几率,决定了 同一个任务可以多个调度 时的 调度几率;
Slithice集群配置工具 插件覆盖界面
上面 展示的 是 插件覆盖界面;
>ConsoleCenterService 具有 几个 自定义Action;
>其中,TestAction_Center_001 有两个版本, 他们是 同键值的,但是 最终被启用 的是优先级 更高的 100010;
>插件 优先级 的设置,为了 避免问题,可以 使用 yyMMddHH 这种模式;
>Slithice 内置 Action 是没有特权的:Slithice内置Action 也是可以被覆盖的 —— 当然,还是有 多少 的 特殊处理:
Slithice 内置 Action 优先级 最大值可以是 Int64.MaxValue;
自定义 Action 优先级 最大值可以是 Int32.MaxValue;
Slithice集群配置工具 单元测试界面
上面 展示的 是 单元测试界面;
>因为 时间比较急,所以 插件执行时需要的参数 这个功能 并没有实现;
>因为 时间比较急,所以 插件测试的是 服务端本地固有Action 的 测试,并不包括 服务端 可调度 的 Action 测试;
>因为 时间比较急,所以 性能压力 测试 的功能 并没有实现;
Slithice 是开源的
Slithice 的 作者 是 舒小龙;
Slithice 是开源的,任何 企业 或 个人 都可以 无偿 用于 商业 或 非商业 用途;
当然,作者希望 各位 能在 舒小龙 的 个人博客 或者 博客园 回复一哈:使用者名称+软件名称+邮箱(可选);
为什么要开源:
北京公司,在 抽烟室 和 马瑞礼(马哥) 聊天中,就聊到了这个话题,当时 马哥的回答 让自己 有所顿悟:
今天自己的代码 比起 几年前 成长了不少,当初的 王牌代码 在今天也 不过如此
—— 未来几年后,今天的代码 或许 在未来 也只是 “不过如此”;
所在的 角度 和 高度 在 提升,思想也就不一样 吧;
最最重要的是:王牌代码 给不了 一个人 未来,能成就一个人未来的 是 合作共赢 的力量;
Ps. 感谢那段时间 马哥 那次关于“开源”的讨论,也感谢那段时间 马哥 在人生 道路上 对我的 各种指点,还有那次的宽容,收益很深;
源码下载
舒小龙
2014-03-13 01:34
USE [LauraBlog]
GO
/****** Object: Table [dbo].[SL_TransferServiceConfig] Script Date: 03/19/2014 20:57:31 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[SL_TransferServiceConfig]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[SL_TransferServiceConfig](
[FId] [int] IDENTITY(1,1) NOT NULL,
[FPrevServiceName] [nvarchar](250) NOT NULL,
[FServiceName] [nvarchar](250) NOT NULL,
[FTransferType] [nvarchar](150) NOT NULL,
[FTransferArguments] [ntext] NOT NULL,
[FTransferProbability] [int] NOT NULL,
[FHandleModules] [ntext] NOT NULL,
CONSTRAINT [PK_SL_TransferServiceConfig] PRIMARY KEY CLUSTERED
(
[FId] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
END
GO
SET IDENTITY_INSERT [dbo].[SL_TransferServiceConfig] ON
INSERT [dbo].[SL_TransferServiceConfig] ([FId], [FPrevServiceName], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules]) VALUES (64, N'WebService_001', N'ConsoleWCFService_001', N'NetWcfBinary', N'EndpointAddress=net.tcp://127.0.0.1:40000/SlithiceService/CalculateWinService;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState|TestAction_001|TestAction_002|TestAction_1_001|TestAction_1_002')
INSERT [dbo].[SL_TransferServiceConfig] ([FId], [FPrevServiceName], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules]) VALUES (65, N'WebService_002', N'ConsoleWCFService_001', N'NetWcfBinary', N'EndpointAddress=net.tcp://127.0.0.1:40000/SlithiceService/CalculateWinService;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState|TestAction_001|TestAction_002|TestAction_1_001|TestAction_1_002')
INSERT [dbo].[SL_TransferServiceConfig] ([FId], [FPrevServiceName], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules]) VALUES (66, N'WebService_002', N'ConsoleWCFService_002', N'NetWcfBinary', N'EndpointAddress=net.tcp://127.0.0.1:50000/SlithiceService/CalculateWinService;TransferType=NetWcfBinary;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState|TestAction_001|TestAction_002|TestAction_2_001|TestAction_2_002')
SET IDENTITY_INSERT [dbo].[SL_TransferServiceConfig] OFF
/****** Object: Table [dbo].[SL_SlithiceServiceConfig] Script Date: 03/19/2014 20:57:31 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[SL_SlithiceServiceConfig]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[SL_SlithiceServiceConfig](
[FId] [int] IDENTITY(1,1) NOT NULL,
[FServiceName] [nvarchar](250) NOT NULL,
[FTransferType] [nvarchar](150) NOT NULL,
[FTransferArguments] [ntext] NOT NULL,
[FTransferProbability] [int] NOT NULL,
[FHandleModules] [ntext] NOT NULL,
[FTransferModules] [ntext] NOT NULL,
[FIsPrivate] [bit] NOT NULL,
[FEnable] [bit] NOT NULL,
CONSTRAINT [PK_SL_SlithiceServiceConfig] PRIMARY KEY CLUSTERED
(
[FId] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
END
GO
SET IDENTITY_INSERT [dbo].[SL_SlithiceServiceConfig] ON
INSERT [dbo].[SL_SlithiceServiceConfig] ([FId], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules], [FTransferModules], [FIsPrivate], [FEnable]) VALUES (133, N'ConsoleCenterService', N'NetWcfBinary', N'EndpointAddress=net.tcp://127.0.0.1:30000/SlithiceService/CalculateWinService;TransferType=NetWcfBinary;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState|TestAction_Center_001|TestAction_Center_002', N'', 0, 1)
INSERT [dbo].[SL_SlithiceServiceConfig] ([FId], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules], [FTransferModules], [FIsPrivate], [FEnable]) VALUES (134, N'ConsoleSocketService_001', N'NetSocket', N'ServiceAddress=127.0.0.1;ServicePort=31000;TransferType=NetSocket;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState', N'', 0, 1)
INSERT [dbo].[SL_SlithiceServiceConfig] ([FId], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules], [FTransferModules], [FIsPrivate], [FEnable]) VALUES (135, N'ConsoleSocketService_002', N'NetSocket', N'ServiceAddress=127.0.0.1;ServicePort=32000;TransferType=NetSocket;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState', N'', 0, 1)
INSERT [dbo].[SL_SlithiceServiceConfig] ([FId], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules], [FTransferModules], [FIsPrivate], [FEnable]) VALUES (136, N'ConsoleWCFService_001', N'NetWcfBinary', N'EndpointAddress=net.tcp://127.0.0.1:40000/SlithiceService/CalculateWinService;TransferType=NetWcfBinary;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState|TestAction_001|TestAction_002|TestAction_1_001|TestAction_1_002', N'', 1, 1)
INSERT [dbo].[SL_SlithiceServiceConfig] ([FId], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules], [FTransferModules], [FIsPrivate], [FEnable]) VALUES (137, N'ConsoleWCFService_002', N'NetWcfBinary', N'EndpointAddress=net.tcp://127.0.0.1:50000/SlithiceService/CalculateWinService;TransferType=NetWcfBinary;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState|TestAction_001|TestAction_002|TestAction_2_001|TestAction_2_002', N'', 1, 1)
INSERT [dbo].[SL_SlithiceServiceConfig] ([FId], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules], [FTransferModules], [FIsPrivate], [FEnable]) VALUES (139, N'WebService_001', N'NetWebService', N'WebServiceUrl=http://localhost:5447/SlithiceWebService.asmx;TransferType=NetWebService;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState', N'TestAction_001|TestAction_002|TestAction_1_001|TestAction_1_002', 0, 1)
INSERT [dbo].[SL_SlithiceServiceConfig] ([FId], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules], [FTransferModules], [FIsPrivate], [FEnable]) VALUES (140, N'WebService_002', N'NetWebService', N'WebServiceUrl=http://localhost:5451/SlithiceWebService.asmx;TransferType=NetWebService;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ServiceState|Slithice_ValueState', N'Slithice_ResetService|TestAction_001|TestAction_002|TestAction_1_001|TestAction_1_002|TestAction_2_001|TestAction_2_002', 0, 1)
INSERT [dbo].[SL_SlithiceServiceConfig] ([FId], [FServiceName], [FTransferType], [FTransferArguments], [FTransferProbability], [FHandleModules], [FTransferModules], [FIsPrivate], [FEnable]) VALUES (141, N'WebCenterService', N'NetWebService', N'WebServiceUrl=http://localhost:9183/SlithiceWebService.asmx;TransferType=NetWebService;', 100000, N'Slithice_About|Slithice_CenterService_DeleteSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfig|Slithice_CenterService_GetSlithiceServiceConfigs|Slithice_CenterService_SaveSlithiceServiceConfig|Slithice_HandleAndTransferModules|Slithice_InherentHandleModuleInfos|Slithice_InherentHandleModules|Slithice_ResetService|Slithice_ServiceState|Slithice_ValueState|TestAction_Center_003', N'', 0, 1)
SET IDENTITY_INSERT [dbo].[SL_SlithiceServiceConfig] OFF
/****** Object: Default [DF_SL_SlithiceServiceConfig_FServiceName] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_SlithiceServiceConfig_FServiceName]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_SlithiceServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_SlithiceServiceConfig_FServiceName]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_SlithiceServiceConfig] ADD CONSTRAINT [DF_SL_SlithiceServiceConfig_FServiceName] DEFAULT ('') FOR [FServiceName]
END End
GO
/****** Object: Default [DF_SL_SlithiceServiceConfig_FTransferType] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_SlithiceServiceConfig_FTransferType]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_SlithiceServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_SlithiceServiceConfig_FTransferType]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_SlithiceServiceConfig] ADD CONSTRAINT [DF_SL_SlithiceServiceConfig_FTransferType] DEFAULT ('') FOR [FTransferType]
END End
GO
/****** Object: Default [DF_SL_SlithiceServiceConfig_FTransferArguments] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_SlithiceServiceConfig_FTransferArguments]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_SlithiceServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_SlithiceServiceConfig_FTransferArguments]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_SlithiceServiceConfig] ADD CONSTRAINT [DF_SL_SlithiceServiceConfig_FTransferArguments] DEFAULT ('') FOR [FTransferArguments]
END End
GO
/****** Object: Default [DF_SL_SlithiceServiceConfig_FTransferProbability] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_SlithiceServiceConfig_FTransferProbability]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_SlithiceServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_SlithiceServiceConfig_FTransferProbability]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_SlithiceServiceConfig] ADD CONSTRAINT [DF_SL_SlithiceServiceConfig_FTransferProbability] DEFAULT ((100000)) FOR [FTransferProbability]
END End
GO
/****** Object: Default [DF_SL_SlithiceServiceConfig_FHandleModules] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_SlithiceServiceConfig_FHandleModules]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_SlithiceServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_SlithiceServiceConfig_FHandleModules]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_SlithiceServiceConfig] ADD CONSTRAINT [DF_SL_SlithiceServiceConfig_FHandleModules] DEFAULT ('') FOR [FHandleModules]
END End
GO
/****** Object: Default [DF_SL_SlithiceServiceConfig_FTransferModules] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_SlithiceServiceConfig_FTransferModules]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_SlithiceServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_SlithiceServiceConfig_FTransferModules]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_SlithiceServiceConfig] ADD CONSTRAINT [DF_SL_SlithiceServiceConfig_FTransferModules] DEFAULT ('') FOR [FTransferModules]
END End
GO
/****** Object: Default [DF_SL_SlithiceServiceConfig_FIsPrivate] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_SlithiceServiceConfig_FIsPrivate]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_SlithiceServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_SlithiceServiceConfig_FIsPrivate]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_SlithiceServiceConfig] ADD CONSTRAINT [DF_SL_SlithiceServiceConfig_FIsPrivate] DEFAULT ((0)) FOR [FIsPrivate]
END End
GO
/****** Object: Default [DF_SL_SlithiceServiceConfig_FEnable] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_SlithiceServiceConfig_FEnable]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_SlithiceServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_SlithiceServiceConfig_FEnable]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_SlithiceServiceConfig] ADD CONSTRAINT [DF_SL_SlithiceServiceConfig_FEnable] DEFAULT ((1)) FOR [FEnable]
END End
GO
/****** Object: Default [DF_SL_TransferServiceConfig_FPrevServiceName] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_TransferServiceConfig_FPrevServiceName]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_TransferServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_TransferServiceConfig_FPrevServiceName]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_TransferServiceConfig] ADD CONSTRAINT [DF_SL_TransferServiceConfig_FPrevServiceName] DEFAULT ('') FOR [FPrevServiceName]
END End
GO
/****** Object: Default [DF_SL_TransferServiceConfig_FServiceName] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_TransferServiceConfig_FServiceName]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_TransferServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_TransferServiceConfig_FServiceName]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_TransferServiceConfig] ADD CONSTRAINT [DF_SL_TransferServiceConfig_FServiceName] DEFAULT ('') FOR [FServiceName]
END End
GO
/****** Object: Default [DF_SL_TransferServiceConfig_FHandleType] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_TransferServiceConfig_FHandleType]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_TransferServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_TransferServiceConfig_FHandleType]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_TransferServiceConfig] ADD CONSTRAINT [DF_SL_TransferServiceConfig_FHandleType] DEFAULT ('') FOR [FTransferType]
END End
GO
/****** Object: Default [DF_SL_TransferServiceConfig_FArguments] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_TransferServiceConfig_FArguments]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_TransferServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_TransferServiceConfig_FArguments]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_TransferServiceConfig] ADD CONSTRAINT [DF_SL_TransferServiceConfig_FArguments] DEFAULT ('') FOR [FTransferArguments]
END End
GO
/****** Object: Default [DF_SL_TransferServiceConfig_FTransferProbability] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_TransferServiceConfig_FTransferProbability]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_TransferServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_TransferServiceConfig_FTransferProbability]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_TransferServiceConfig] ADD CONSTRAINT [DF_SL_TransferServiceConfig_FTransferProbability] DEFAULT ((100000)) FOR [FTransferProbability]
END End
GO
/****** Object: Default [DF_SL_TransferServiceConfig_FHandleModules] Script Date: 03/19/2014 20:57:31 ******/
IF Not EXISTS (SELECT * FROM sys.default_constraints WHERE object_id = OBJECT_ID(N'[dbo].[DF_SL_TransferServiceConfig_FHandleModules]') AND parent_object_id = OBJECT_ID(N'[dbo].[SL_TransferServiceConfig]'))
Begin
IF NOT EXISTS (SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID(N'[DF_SL_TransferServiceConfig_FHandleModules]') AND type = 'D')
BEGIN
ALTER TABLE [dbo].[SL_TransferServiceConfig] ADD CONSTRAINT [DF_SL_TransferServiceConfig_FHandleModules] DEFAULT ('') FOR [FHandleModules]
END End
GO