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Drools - Business Rules Management System (Javaâ„¢, Open Source)
Drools is a Business Rules Management System (BRMS) solution. It provides a core Business Rules Engine (BRE), a web authoring and rules management application (Drools Workbench), full runtime support for Decision Model and Notation (DMN) models at Conformance level 3 and an Eclipse IDE plugin for core development. Drools is open source software, released under the Apache License 2.0. It is written
2009-02-28
droolsã§ã¯ãƒ«ãƒ¼ãƒ«ã¯åŸºæœ¬çš„ã«drlファイルã«æ›¸ã„ã¦ã„ãã¾ã™ã€‚when+then以外ã«ç›®ã‚’ã‚€ã‘ã‚‹ã¨ã‚µãƒ³ãƒ—ルã¿ã¦ã‚‚ã€ä½•ã“ã®æ§‹æ–‡ï¼Ÿã£ã¦ãªã£ã¡ã‚ƒã„ã¾ã™ã€‚ã§ã‚‚大ãã„æ§‹é€ ã‚’ãµã¾ãˆã¦ã¡ã‚‡ã£ã¨åˆ†è§£ã™ã‚‹ã ã‘ã§å°‘ã—èªã¿ã‚„ã™ããªã‚Šã¾ã™ã€‚大ããã¯ã“ã†ã„ã†æ§‹é€ ã§ã™ã€‚ package package-name ・・・ imports ・・・ globals ・・・ functions ・・・ queries ・・・ rules ・・・packageã¯javaã«è¿‘ã„ã§ã™ãã€namespaceçš„ãªä½ç½®ã¥ã‘ã§ã™ã€‚ç´°ã‹ã„ã“ã¨ã¯ã‚ã¨ã§ã‚‚書ãã¨æ€ã†ã‘ã©drl,xmlファイルã‹ã‚‰ASTã¤ã‹ã£ã¦æœ€çµ‚çš„ã«packageã¨ã„ã†ãƒ«ãƒ¼ãƒ«ã®é›†ã¾ã‚Šã‚’作りã¾ã™ã€‚ãã®æ™‚ã«ãƒ«ãƒ¼ãƒ«ã‚¨ãƒ³ã‚¸ãƒ³ä¸Šã§ä¸€æ„ã«ãªã‚‹åå‰ãŒã‚³ãƒ¬ã«ãªã‚Šã¾ã™ã§ã™ã‚ˆã€‚ importsã‚‚javaã¨ä¸€ç·’ã§ã™ã€‚javaã®ãƒ«ãƒ¼ãƒ«ã‚¨ãƒ³ã‚¸ãƒ³ãªã®ã§javaã¨ã®é€£æºãŒå½“然シームレスã«è¡Œã‚ã‚Œãªã„ã¨ãƒ€ãƒ¡ãª
How to compile a .drl file through an ant build script
The DroolsCompilerAntTask used to be the way to do this. It would take all your various rule files and compile them into a serialized file. It appears to have some bugs in 5.3 though which I am currently trying to work out. In the meantime, here is an illustrative build file that can be used for creating an executable JAR based on Drools. The build will fail if the rules cannot be compiled. <proje
drools サンプルプãƒã‚°ãƒ©ãƒ １ - uzr tech memo
ã¾ãšã¯ä¸€ç•ªç°¡å˜ãªã‚µãƒ³ãƒ—ルプãƒã‚°ãƒ©ãƒ ã‹ã‚‰ã€‚ プãƒã‚°ãƒ©ãƒ ã®æ¦‚è¦ åå‰ã¨å¹´é½¢ã‚’Factã¨ã—ã¦ãƒ«ãƒ¼ãƒ«ã‚¨ãƒ³ã‚¸ãƒ³ã«æä¾›ã™ã‚‹ã“ã¨ã«ã‚ˆã‚Šã€ãŠé…’ãŒé£²ã‚ã‚‹ã‹é£²ã‚ãªã„ã‹ã‚’判定ã™ã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã™ã€‚ Factã®å®šç¾© POJOã§è¨˜è¿°ã—ã¾ã™ã€‚Factã¨é›£ã—ã言ã£ã¦ã„ã¾ã™ãŒãŸã ã®ç®±ã ã¨æ€ã£ã¦ãã ã•ã„。最低é™å¿…è¦ãªã‚‚ã®ã¨ã—ã¦ã¯ãƒ«ãƒ¼ãƒ«å´ã§ãƒ‡ãƒ¼ã‚¿ã‚’å–å¾—ã™ã‚‹ãŸã‚ã®getterãŒå¿…è¦ã§ã™ã€‚ public class Profile { private int age; private String name; public Profile(String name, int age) { this.name = name; this.age = age; } public int getAge() { return age; } public String getName() { return name; } } DrinkTest
Drools 4.0 入門1 (インストール)
Yasuhiko Tsushima Drools 4.0 (JBoss Drools) 2008å¹´03月20æ—¥ å‚照数: 10394 Drools 4.0 入門1 (インストール) droolsã®4.0ã§ã¯ã€Eclipseã®ãƒ—ラグインã¨ã—ã¦ãƒ«ãƒ¼ãƒ«ãƒ¯ãƒ¼ã‚¯ãƒ™ãƒ³ãƒ(IDE)ãŒæä¾›ã•ã‚Œã¦ã„ã¾ã™ã€‚ Droolsã®å…¥é–€ã«ã¯ã€ã“ã®ãƒ«ãƒ¼ãƒ«ãƒ¯ãƒ¼ã‚¯ãƒ™ãƒ³ãƒã‚’用ã„ã‚‹ã®ãŒã€ã‚‚ã£ã¨ã‚‚手軽ã ã¨ãŠã‚‚ã„ã¾ã™ã€‚ ã¾ãšã¯ã€ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‹ã‚‰ Drools Eclipse IDEã«å¿…è¦ãªç’°å¢ƒã¯ã€Eclipseã®3.2以上ã¨Eclipse GEF(Graphical Editing Framework)ã®3.2以上ãŒå¿…è¦ã§ã™ã€‚ Eclipseã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã«ã¤ã„ã¦ã¯ã€æ¤œç´¢ã‚µã‚¤ãƒˆã§ä¾‹ãˆã°ã€Eclipse 3.3 インストール　ãªã©ã¨å…¥åŠ›ã—ã¦æ¤œç´¢ã™ã‚Œã° ã„ãらã§ã‚‚出ã¦ãã‚‹ã®ã§çœç•¥ã™ã‚‹ã“ã¨ã¨ã—ã¦ã€ã²ã¨ã¾ãšGEFã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‹ã‚‰(ã™ã§ã«G
Twitter4Jã¨Droolsã§ãªã‚“ã‹ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ãªæ„Ÿã˜ã®ã‚‚ã® ãã®ï¼“ ルール編 - tokobayashi’s blog
ã‚„ã£ã¨ã“ã•ãƒ«ãƒ¼ãƒ«ã§ã™ã€‚ã“ã“を見ãªã„ã¨DroolsãŒä½•ãªã®ã‹åˆ†ã‹ã‚Šã¾ã›ã‚“ã。 ルールã¯Drools Rule Language (DRL) ã¨ã„ã†è¨€èªžã§è¨˜è¿°ã—ã¾ã™ã€‚ twitterRules1.drl declare Status @role( event ) @timestamp( createdAt ) @expires( 2s ) end ã¾ãšã€å…¥åŠ›ã•ã‚Œã‚‹POJOã‚’Eventã¨ã—ã¦å®šç¾©ã—ã¾ã™ã€‚Statusã¨ã„ã†ã®ã¯ï¼‘ã¤ã®tweetを表ã™ã€Twitter4Jã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ãƒ¼ã‚¹ã§ã™ã€‚ @timestampã¯ã“ã®ã‚¤ãƒ™ãƒ³ãƒˆã®ã‚¿ã‚¤ãƒ スタンプã§ã™ã€‚タイムスタンプãŒãƒ«ãƒ¼ãƒ«ãƒžãƒƒãƒã«é–¢é€£ã™ã‚‹å ´åˆã«é‡è¦ã«ãªã‚Šã¾ã™ã€‚デフォルトã§ã¯ã‚¤ãƒ™ãƒ³ãƒˆãŒã‚¨ãƒ³ãƒˆãƒªãƒã‚¤ãƒ³ãƒˆã«æŠ•å…¥ã•ã‚ŒãŸæ™‚刻ãŒã‚¿ã‚¤ãƒ スタンプã«ãªã‚Šã¾ã™ãŒã€Statusã®å ´åˆã€createdAtã¨ã„ã†ãƒ—ãƒãƒ‘ティã€ã¤ã¾ã‚ŠtweetãŒæŠ•ç¨¿ã•ã‚ŒãŸæ™‚刻をæŒã£ã¦ã„ã‚‹ã®ã§ã€ã
Drools
Jboss Droolsã®4.X系列ã«ã¤ã„ã¦ã®è§£èª¬ã§ã™ã€‚ JBoss Rules ã¯ã€ç¾åœ¨(2009å¹´9月) 5.0 ã¨ãªã‚Š 日本ã§ã‚‚RedHatã®ã‚µãƒãƒ¼ãƒˆã™ã‚‹ã¨ã“ã‚ã¨ãªã‚Šã¾ã—ãŸã€‚ã“ã® JBoss Rules ã®ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ç‰ˆãŒ Drools 5.0 ã¨ãªã£ã¦ã„ã¾ã™ã€‚ã“ã‚Œã‹ã‚‰ JBoss Rules ( Drools )を利用ã™ã‚‹å ´åˆã¯ã€5.0を利用ã™ã‚‹ã“ã¨ã‚’ãŠå‹§ã‚ã—ã¾ã™ã€‚ JBossã®ã‚ªãƒ¼ãƒ—ンソースã®ãƒ«ãƒ¼ãƒ«ã‚¨ãƒ³ã‚¸ãƒ³JBoss Rule(drools3.x以é™)ã«é–¢ã™ã‚‹ã•ã¾ã–ã¾ãªæƒ…å ±ã‚’æä¾›ã—ã¾ã™ã€‚ ç¾åœ¨ JBoss Rules 㯠RedHat ã®ã‚µãƒãƒ¼ãƒˆã™ã‚‹ã¨ã“ã‚ã¨ãªã‚Šã€ãã®ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ç‰ˆã¨ã—㦠Drools 5.0 ãŒä¾›ã•ã‚Œã¦ã„ã¾ã™ã€‚
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