Mule

Mule 是一款领先的 open source ESB (Enterprise Service Bus) 和集成平台.

Mule 的核心是一个基于SEDA的服务容器，该容器管理被称为通用消息对象 (Universal Message Objects /UMO) 的服务对象，而这些对象均是POJO。

安装指南

wget http://download.huihoo.com/middleware/esb-soa/mule/mule-1.3-rc4-dist.tar.gz
tar zxvf mule-1.3-rc4-dist.tar.gz

测试用例

Echo

huihoo@debian:~/middleware/mule/mule-1.3-rc4/samples/echo/bin$ ./mule-echo.sh
MULE_HOME=../../..

**********************************************************************
* Mule - Universal Message Objects version 1.3-rc4                   *
* SymphonySoft Limited                                               *
* SymphonySoft Limited                                               *
*                                                                    *
* Server started: 2006年8月26日 星期六 上午09时52分13秒 CST          *
* JDK: 1.5.0_07 (mixed mode, sharing)                                *
* OS: Linux (2.6.8-2-386, i386)                                      *
* Host: localhost.localdomain (127.0.0.1)                            *
* ID: Mule_Echo_Sample                                               *
*                                                                    *
* Agents Running:                                                    *
*   Mule Admin: accepting connections on tcp://localhost:60504       *
**********************************************************************

Please enter something: this is a test
this is a test
http://localhost:8081/services/EchoUMO?method=echo&param=Mule
浏览器会显示
<soap:Envelope>
 <soap:Body>
   <echoResponse>
     <out>Mule</out>
   </echoResponse>  
 </soap:Body>
</soap:Envelope>

同时控制台会回显 Mule

查看 wsdl 文件信息

http://localhost:8081/services/EchoUMO?wsdl

ctrl-c
******************************************************************************
* Mule shut down normally on: 2006年8月26日 星期六 上午10时01分43秒 CST      *
* Server was up for: 0 days, 0 hours, 9 mins, 29.796 sec                     *

echo 测试成功

Hello World

bin目录下有三个脚本

hello.sh - example using Mule Xml configuration
hello-spring.sh - example using Spring beans configuration
hello-http.sh - examples that accepts requests over http.

启动 ./hello-http.sh 
http://localhost:8888/?name=huihoo 
显示: Hello huihoo, How are you?

测试成功

Stock Quote

./rest-stockquote.sh 
Please enter a stock symbol: ibm
StockQuote{symbol=IBM, name=INTL BUSINESS MAC, date=8/25/2006 4:00pm, last=79.88, change=+0.50, open=79.20, high=80.00, low=79.14, 
volume=3428100, previousClose=79.38}

程序员指南

Programming Model

精彩图集

系统架构