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JBoss BRMS - 建立第一個JBoss Rules的專案,並連結JBoss BRMS管理網站

其實我之前寫過一個更進階的,但是因為有人要求我做個超級簡易版
再加上有些人不會設定JBoss Developer Studio 這個工具,
並且希望可以跟JBoss BRMS串接在一起,
所以我在這裡再寫一次囉。

完成這個之前,首先請先安裝好JBoss BRMS,請參考 JBoss BRMS - 安裝BRMS 到 EAP 6.1

首先,請下載JBoss Developer Studio 5.x版 (到目前為止,官方只有支援 5.X, 等更新了再來update這邊。)

請到這裡下載 : JBoss Developer Studio Download
下載後請點兩下安裝。

安裝完畢後,我們正式開始使用。

1. 啓動JBoss Developer Studio(以下簡稱 JBDS),選擇一個workspace 後進入。如果是開發一般的Java程式這樣就可以開始寫了。但是因為我們要開發BRMS相關的,所以要安裝plugin. 請到中間的JBoss Central點選Software Update


勾選Business Rule Tooling, 開始安裝。


安裝完畢後就可以開始建立Drools的環境囉!開始設定Drools Runtime 環境。
在這之前,請先把JBoss BRMS的zip 解壓縮,


解壓縮後會有一個的zip檔案,jboss-brms-engine.zip

請解壓縮裡面的binary folder到某個路徑下。


到Preference ,


選擇Drools 下的Installed Drools Runtime,選擇左手邊的Add, 


新增一個JBoss Drools的 Runtime, 位置請輸入剛剛解壓縮的binary位置。名字隨便敲一個你認識的字就好。

按下OK後,選擇你剛剛建立的runtime位置就完成Runtime設定啦。


安裝完畢後,按下滑鼠右鍵選擇建立第一個Drools 的Project


輸入Project的名稱。


選起Default的 HelloWorld 最上面兩個,按下Finish 會自動產生範例的檔案。



左邊會出現新建的Project, 最主要會有一個Drools的測試程式,也會有一個範例的rules.

接下來就可以試著跑看看了。


如果你看到以下的結果就表示你成功啦。 


先離開JBDS, 到你的JBoss BRMS管理網站 http://IP:PORT/jboss-brms/
登入後,請先去新增一的package, (因為 sample的 drl 裡面有設定package, 所以要設定一致)


輸入跟drl sample一模一樣的package名稱 (com.sample)

到Window 底下的Show View下的 Other... 
Guvnor下的 Guvnor Repossitories



選擇左上方的小icon



輸入登入JBoss BRMS的ID與密碼


這時候,就會出現JBoss BRMS上面有的資料。

要把剛剛建立的Sample.drl上傳到JBoss BRMS的儲存庫上,請在Sample.drls上面按下左邊選單,選擇Gunvnor, 的 Add. (之後若有修改就可以按下Commit更新上Server, 或是Update從Server上抓下來。 )


成功後就會看到Sample.drl 上面繪有上傳的日期


當然,不只是上傳RULEs的檔案,為了要可以再BRMS上面Validate, 編譯,修改或新增Drools, 一樣也要把定義檔案上傳上去。


這時我會先把在Sample的DroolsTest程式裡面的Message程式,(原先DroolsTest的Message就砍了吧)
Message獨立拉出來成一個POJO


再Project上按下左邊選單Export JAR檔出去,



回到BRMS 的網頁上,選擇左邊選單,Knowledge Base下的 上傳POJO Model JAR

輸入你要的命名
按下上傳就成功了



以上,之後請大家繼續開始Coding啦~








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