锘??xml version="1.0" encoding="utf-8" standalone="yes"?>
]]>
銆銆鍚庢潵鍙戠幇鏀懼湪閲岄潰鐨勮繖涓や釜鍖呮槸 tomcat5.5 鐨勶紝鏄?JSP 2.0 瑙勮寖鐨勶紝鑰岄儴緗茬殑鏈嶅姟鍣ㄦ槸 tomcat 6.0 鏄?JSP 2.1 瑙勮寖鐨勶紝涓よ呭彲鑳芥湁涓瀹氱殑鍐茬獊錛屾墠瀵艱嚧榪欐牱鐨勯敊璇?/span>
銆銆宸ヤ綔嫻佷腑鏈変釜榪欐牱鐨勭畝鍗曟渚嬶紝褰撲竴絎斿崟瀛愰噾棰濆ぇ浜?50涓囨椂錛屽簲璇ュ皢浠誨姟鍒嗛厤緇?Senior Agent 澶勭悊錛屽惁鍒欎氦緇?Junior Agent 澶勭悊錛屾垜浠敤 BeanShell 綆鍗曟ā鎷熻繖孌佃剼鏈?/span>
public static void main(String[] args) throws Exception {
Interpreter i = new Interpreter();
i.set(”price”, 1000000);
i.set(”user”, “”);
i.eval(”if(price > 500000)\n” +
“user = \”SeniorAgent\”;\n” +
“else \n” +
“user = \”JuniorAgent\”;”);
System.out.println(i.get(”user”));
}
銆銆榪愯緇撴灉鏄墦鍗板嚭浜嗭細(xì)SeniorAgent
銆銆鍙互鐪嬪嚭錛孊eanShell 鐢ㄩ潪甯稿姩鎬佸寲鐨勬柟寮忥紝瀹屾垚浜嗘垜浠竴涓畝鍗曠殑妗堜緥鐨勫鐞嗭紝榪欓噷錛屾垜浠彧闇瑕佸皢闇瑕佽В鏋愮殑 Java 璇█鐨勮剼鏈氦緇?BeanShell 鐨?Interceptor錛屽茍鎶婅剼鏈腑鐢ㄥ埌鐨勫弬鏁板間紶鍏ワ紝灝卞彲浠ヤ簡錛屾渶鍚庯紝鎴戜滑鎶婅繍綆楃粨鏋滆祴緇欎竴涓彉閲忥紝鐒跺悗鑾峰彇鍙橀噺緇撴灉錛屽氨鍙互浜嗐?/span>
銆銆鐪嬪埌 Developer Works 緗戠珯涓婃湁涓綃?BeanShell 瀹炵幇鍏紡綆$悊鐨勬枃绔狅細(xì)http://www.ibm.com/developerworks/cn/java/l-formula/index.html錛屽彲浠ュ弬鑰冧竴涓嬨?br />
From: http://www.steadyxp.com/archives/851.html
} finally {
if (method != null) {
try {
method.releaseConnection();
} catch (Exception e) {
logger.error("-------> Release HTTP connection exception:", e);
}
}
if (client != null) {
try {
((SimpleHttpConnectionManager) client.getHttpConnectionManager()).shutdown();
} catch (Exception e) {
logger.error("-------> Close HTTP connection exception:", e);
}
client = null;
}
}
銆銆鍏朵腑涓涓富瑕佺殑鎵╁睍鐐規(guī)槸閽堝 TaskNode 榪涜鐨勭敤鎴風(fēng)殑鍒嗛厤銆俆askNode 鏄?jBPM 涓竴涓潪甯擱噸瑕佺殑姒傚康錛屼竴涓換鍔¤妭鐐瑰彲浠ュ寘鍚嫢騫蹭釜浠誨姟錛屼笉鍚岀殑浠誨姟鍙互鐢變笉鍚岀殑浜烘潵瀹屾垚錛屼換鍔″疄渚嬭鍒嗛厤緇?actorId 鏉ュ畬鎴愶紝鍏朵腑鎸囧畾鍒頒漢鐨勫垎閰嶅伐浣滃氨鏄?Assignment 瑕佸鐞嗙殑錛岃繖涔熸槸鎴戜滑闇瑕佸畾鍒剁殑鍔熻兘錛屼負(fù)浜嗗疄鐜扮敤鎴風(fēng)殑鍒嗛厤錛屾垜浠渶瑕佸疄鐜?AssignmentHandler 鎺ュ彛錛屾帴鍙e師鍨嬪涓嬨?/span>
public interface AssignmentHandler extends Serializable {
void assign(Assignable assignable, ExecutionContext executionContext) throws Exception;
}
銆銆閫氬父鐢ㄤ唬鐮佸疄鐜扮殑璇濓紝鎴戜滑鍙互璁╀竴涓被瀹炵幇榪欎釜鎺ュ彛錛屽茍鍦?swimlane 鎴栬?tasknode 涓殑 assignment 鎸囧畾璇ョ被銆備絾鏄紝榪欐牱鐨勭伒媧繪ф槸鏄劇劧涓嶅鐨勶紝鍦ㄧ郴緇熺殑浣跨敤榪囩▼涓紝鍒嗛厤絳栫暐浼?xì)涓嶆柇鐨剺q涜璋冩暣錛屽洜姝ゆ垜浠渶瑕佹洿涓虹伒媧葷殑瑙e喅鏂規(guī)錛宩BPM 鏈韓鍙互浣跨敤鍩轟簬 Bean Shell 鐨勮剼鏈潵鍐欏垎閰嶇瓥鐣ワ紝浣嗘槸 Bean Shell 涓嶆槸閭d箞寮哄ぇ錛屾垜浠渶瑕佹洿涓哄己澶х殑瑙e喅鏂規(guī)錛屽洜姝わ紝鎴戜滑閫夌敤浜嗗凡緇忚 JBoss 鏀朵負(fù)鏃椾笅鐨?JBoss Drools 4.0 瑙勫垯寮曟搸 (鍦?3.0 鐨勬椂鍊欐浘緇忔敼鍚嶄負(fù) JBoss Rules錛?.0 鍙堟敼鍥炴潵浜?
銆銆瀹屾暣鐗堟湰璇鋒煡鐪嬶細(xì)http://www.steadyxp.com/archives/120.html
鍋囪宸茶緗涓嬪彉閲忔垨鍙傛暟
寮鍚氳璇佸悗鐨勭敤鎴風(fēng)櫥褰曟祦紼?
寮鍚氳璇佸悗鐨勭敤鎴烽鍑烘祦紼?
寮鍚氳璇佸悗鐨勭敤鎴鋒敞鍐屾祦紼?
鏈儴鍒嗕腑錛屽姞涓嬪垝綰挎樉紺虹殑閮ㄥ垎錛屾槸闇瑕佸鎮(zhèn)ㄧ殑搴旂敤紼嬪簭榪涜鏇存敼鐨勯儴鍒嗭紝浜嬪疄涓婏紝榪欓儴鍒嗘洿鏀逛細(xì)闈炲父瀹規(guī)槗鍜屾柟渚褲?/strong>
鍦ㄨ繘琛?reschedule 鎿嶄綔鐨勬椂鍊欙紝鎴戜滑閫氬父鍙渶瑕佷慨鏀?Trigger 鐨勬椂闂達(dá)紝榪欐椂鍊欐垜浠彧闇瑕侀噸鏂?new 涓涓惈鏈夋柊鐨?Schedule 鏃墮棿鐨?Trigger 瀵硅薄錛宺eschedule 涓涓嬪氨鍙互浜嗐?/p>
Unschedule
unscheduleJob(String triggerName, String groupName)
榪涜 unschedule 鐨勬椂鍊欙紝鎴戜滑鍙渶瑕佺煡閬撳悕瀛楀拰 group 灝卞彲浠ヤ簡銆?/p>
榪涜 Schedule 鎿嶄綔鍓嶅悗錛孌atabase 涓殑鐩稿叧鏁版嵁閮戒細(xì)琚洿鏀癸紝鍦ㄦ墽琛?unschedule 鎴栬呰 schedule 宸茬粡鎵ц榪囷紝鏁版嵁搴撲腑鐨?trigger 淇℃伅閮戒細(xì)琚垹闄ゃ?/p>
鍦?Quartz 鐨勫簲鐢ㄤ腑錛屾垜浠敤鍒頒簡浠ヤ笅鐨勪竴浜涗笢瑗匡紝ScheduleFactory, Scheduler, Job, JobDetail, Trigger錛岀畝鍗曡鏄庝竴涓嬩粬浠殑鐢ㄩ斻?/p>
SchedulerFactory 鏄?Scheduler 鐨勫伐鍘傦紝鎴戜滑鍙互浠庝腑鑾峰緱鍙楀伐鍘傜鐞嗙殑 Scheduler 瀵硅薄銆?br>
SchedulerFactory scheduleFactory = new StdSchedulerFactory();
Scheduler scheduler = scheduleFactory.getScheduler();
Scheduler 鏄竴涓鍒掗泦錛屽叾涓彲浠ュ寘鍚涓?JobDetail 鍜?Trigger 緇勬垚鐨勮鍒掍換鍔°?br>鎴戜滑鍙互浠?SchedulerFactory 涓彇寰?Scheduler銆?/p>
鎺ュ彛Job鏄瘡涓笟鍔′笂闇瑕佹墽琛岀殑浠誨姟闇瑕佸疄鐜扮殑鎺ュ彛錛岃鎺ュ彛鍙湁涓涓柟娉曪細(xì)
public interface Job {
public void execute(JobExecutionContext context)
throws JobExecutionException;
}
鎴戜滑鍙互鍦ㄩ噷闈㈠畾涔夋垜浠殑 Job 鎵ц閫昏緫錛屾瘮濡傛竻闄よ繃鏈熸暟鎹紝鏇存柊緙撳瓨絳夈?/p>
JobDetail鎻忚堪浜嗕竴涓換鍔″叿浣撶殑淇℃伅錛屾瘮濡傚悕縐幫紝緇勫悕絳夌瓑銆?br>JobDetail jobDetail = new JobDetail("SayHelloWorldJob", Scheduler.DEFAULT_GROUP, SayHelloWorldJob.class);
鍦ㄤ笂闈㈢殑鏋勯犳柟娉曚腑錛岀涓涓槸浠誨姟鐨勫悕縐幫紝絎簩涓槸緇勫悕錛岀涓変釜灝辨槸瀹為檯褰撲換鍔¢渶瑕佹墽琛岀殑鍥炶皟綾匯?/p>
Trigger欏懼悕鎬濅箟灝辨槸瑙﹀彂鍣紝Quartz鏈変釜寰堝ソ鐨勬兂娉曞氨鏄垎紱諱簡浠誨姟鍜屼換鍔℃墽琛岀殑鏉′歡銆俆rigger灝辨槸鎺у埗浠誨姟鎵ц鏉′歡鐨勭被錛屽綋Trigger璁や負(fù)鎵ц鏉′歡婊¤凍鐨勬椂鍒伙紝Trigger浼?xì)閫氱煡鐩稿叧鐨凧ob鍘繪墽琛屻傚垎紱葷殑濂藉鏄細(xì)
1.浣犲彲浠ヤ負(fù)鏌愪釜Job鍏寵仈澶氫釜Trigger錛屽叾涓換浣曚竴涓潯浠舵弧瓚抽兘鍙互瑙﹀彂job鎵ц錛岃繖鏍峰彲浠ュ畬鎴愪竴浜涚粍鍚堢殑楂樼駭瑙﹀彂鏉′歡
2.褰揟rigger澶辨晥鍚庯紙姣斿錛氫竴涓案榪滈兘涓嶈兘婊¤凍鐨勬潯浠訛級錛屼綘涓嶅繀鍘誨0鏄庝竴涓柊鐨刯ob錛屼唬鏇跨殑鏄綘鍙互涓簀ob鍏寵仈涓涓柊鐨凾rigger璁﹋ob鍙互緇х畫鎵ц銆?/p>
鐩墠鐨凲uartz瀹炵幇涓紝瀛樺湪涓ょTrigger,SimpleTrigger鍜孋ronTrigger,SimpleTrigger鐢ㄦ潵瀹屾垚涓浜涙瘮濡傚浐瀹氭椂闂存墽琛岀殑浠誨姟錛屾瘮濡傦細(xì)浠庣幇鍦ㄥ紑濮?鍒嗛挓鍚庣瓑絳夛紱鑰孋ronTrigger(娌¢敊錛屽拰unix鐨刢ron榪涚▼鐨勫惈鎰忎竴鏍?鐢ㄦ潵鎵цcalendar-like鐨勪換鍔★紝姣斿錛氭瘡鍛ㄤ簲涓嬪崍3錛?0錛屾瘡鏈堟渶鍚庝竴澶╃瓑絳夈?/p>
鍦ㄦ垜浠」鐩腑錛岄兘鏄竴浜涘浐瀹氭椂闂寸殑 Job錛屾墍浠ュ彧鐢ㄥ埌浜?SimpleTrigger銆?br>Trigger trigger = new SimpleTrigger("SayHelloWorldJobTrigger",Scheduler.DEFAULT_GROUP,new Date(),null,0,0L);
榪欎釜鏋勯犳柟娉曚腑錛岀涓涓槸Trigger鐨勫悕縐幫紝絎簩涓槸Trigger鐨勭粍鍚嶏紝絎笁涓槸浠誨姟寮濮嬫椂闂達(dá)紝絎洓涓槸緇撴潫鏃墮棿錛岀浜斾釜鏄噸澶嶆鏁幫紙浣跨敤SimpleTrigger.REPEAT_INDEFINITELY甯擱噺琛ㄧず鏃犻檺嬈★級錛屾渶鍚庝竴涓槸閲嶅鍛ㄦ湡錛堝崟浣嶆槸姣錛夛紝閭d箞榪欐牱灝卞垱寤轟簡涓涓珛鍒誨茍鍙墽琛屼竴嬈$殑浠誨姟銆?/p>
浣嗘垜浠畾涔夊ソ浜?JobDetail錛孞ob錛屽拰 Trigger 鍚庯紝灝卞彲浠ュ紑濮?Schedule 涓涓?Job 浜嗐?/p>
scheduler.scheduleJob(jobDetail, trigger);
榪欐潯璇彞灝辨槸鎶妀ob鍜孴rigger鍏寵仈錛岃繖鏍峰綋Trigger璁や負(fù)搴旇瑙﹀彂鐨勬椂鍊欏氨浼?xì)璋冪敤锛堝疄闄呬笂鏄疭cheduler璋冪敤錛塲ob.execute鏂規(guī)硶浜嗐?/p>
scheduler.start();
鍗冧竾鍒繕浜嗗姞涓婁笂闈㈢殑璇彞錛岃繖鏉¤鍙ラ氱煡Quartz浣垮畨鎺掔殑璁″垝鐢熸晥銆?/p>
鍏充簬execute鏂規(guī)硶鐨勫弬鏁癑obExecutionContext
JobExecutionContext灝卞拰寰堝Context緇撳熬鐨勭被鍔熻兘涓鏍鳳紝鎻愪緵鐨勮繍琛屾椂鍒葷殑涓婁笅鏂囩幆澧冿紝JobExecutionContext涓湁Scheduler,JobDetail,Trigger絳夊緢澶氬璞$殑寮曠敤錛屼粠鑰屽綋浣犲湪execute鏂規(guī)硶鍐呴儴欏婚渶瑕佽繖浜涘璞$殑鏃跺埢鎻愪緵鐨勪究鍒┿?/p>
鍦ㄩ」鐩腑錛屾垜浠妸闇瑕佹墽琛岀殑 Job 鐩稿搴旂殑涓浜涗俊鎭斁鍦?JobExecutionContext 涓紝鍦?Job 鎵ц鐨勬椂鍊欏彲浠ヨ皟鐢ㄣ?br>
jobDetail.getJobDataMap().put(userid, id);
鍦?Job 涓紝鎴戜滑鍙互鎷垮埌鐩稿叧鐨?Context 淇℃伅錛?br>
jobExecutionContext.getJobDetail().getJobDataMap().getInt(userid);
JobDetail鍜孴rigger鐨刵ame鍜実roup
Scheduler瀹炰緥瀵瑰簲浜嗗緢澶歫ob鍜宼rigger鐨勫疄渚嬶紝涓轟簡鏂逛究鐨勫尯鍒嗭紝Quartz浣跨敤name鍜実roup榪欎袱涓壒鎬э紝姝e浣犳兂鍚戠殑涓鏍鳳紝鍚屼竴涓猤roup涓嬩笉鑳芥湁涓や釜鐩稿悓name鐨凧obDetail錛孴rigger鍚岀悊錛屽悓涓涓猄cheduler涓嬩笉鑳芥湁涓や釜鐩稿悓group鐨凧obDetail,Trigger鍚岀悊錛孞obDetail鍜孴rigger鐨勫畬鍏ㄩ檺瀹氬悕涓猴細(xì)group + name
涓轟簡璁╂湇鍔″櫒閲嶅惎浠ュ悗錛屾垜浠殑 Scheduler 淇℃伅浠嶇劧涓嶄涪澶憋紝鎴戜滑閫氬父閲囩敤鏁版嵁搴撴寔涔呭寲 Scheduler 鐨勪俊鎭?br>DBScript 鍦?Quartz 鐨勪笅杞藉寘涓殑錛歲uartz-1.6.0\docs\dbTables 涓嬶紝閫夋嫨鑷繁浣跨敤鐨?DB 鐩稿簲鐨?Script 瀵煎叆鏁版嵁搴撳氨鍙互浜嗐?br>鍦ㄥ簲鐢ㄤ腑錛屾垜浠渶瑕侀厤緗竴涓?quartz.properties 鎵嶈兘姝e父浣跨敤 DB銆傛垜浠彲浠ュ湪 quartz-1.6.0\examples\example10 涓壘鍒拌鏂囦歡鐨勬牱渚嬶紝紼嶄綔涓浜涗慨鏀癸紝灝卞彲浠ユ斁鍒拌嚜宸遍」鐩簮鐮佺殑鏍圭洰褰曚笅浣跨敤浜嗐?br>
璁劇疆 org.quartz.jobStore.class = org.quartz.impl.jdbcjobstore.JobStoreTX 鍗沖彲鍚敤鍩轟簬 JDBC 鐨?Quartz 淇℃伅鎸佷箙鍖栥?br>
鏍規(guī)嵁欏圭洰鎯呭喌璁劇疆浠ヤ笅閰嶇疆淇℃伅錛?br>org.quartz.jobStore.class = org.quartz.impl.jdbcjobstore.JobStoreTX
org.quartz.jobStore.driverDelegateClass = org.quartz.impl.jdbcjobstore.StdJDBCDelegate
org.quartz.jobStore.useProperties = false
org.quartz.jobStore.dataSource = myDS
org.quartz.jobStore.tablePrefix = QRTZ_
org.quartz.jobStore.isClustered = false
org.quartz.dataSource.myDS.driver = com.mysql.jdbc.Driver
org.quartz.dataSource.myDS.URL = jdbc:mysql://localhost:3306/myapplication
org.quartz.dataSource.myDS.user = root
org.quartz.dataSource.myDS.password =
org.quartz.dataSource.myDS.maxConnections = 5
浣嗘槸鍏夎緗簡 Database 涓嶅錛屾垜浠繕闇瑕佸湪 Application 鍚姩鐨勬椂鍊欒嚜鍔ㄥ惎鍔?Scheduler 鎵嶈錛屾垜浠彧闇瑕佺畝鍗曠殑鍐欎竴涓?Servlet 鐨?Listener 騫跺湪 web.xml 涓0鏄庤 Listener 錛屽湪 Servlet 瀹規(guī)槗鍚姩鐨勬椂鍊欙紝Scheduler 灝卞紑濮嬭嚜鍔ㄦ墽琛屻?/p>
public class ScheduleStartListener implements ServletContextListener {
public void contextInitialized(ServletContextEvent servletContextEvent) {
try {
scheduleFactory.getScheduler().start();
} catch (SchedulerException e) {
// write log
}
}
public void contextDestroyed(ServletContextEvent servletContextEvent) {
try {
scheduleFactory.getScheduler().shutdown();
} catch (SchedulerException e) {
// write log
}
}
}
鍦?web.xml 閲岄潰鍔犲叆浠ヤ笅閰嶇疆錛?br><listener>
<listener-class>org.agilejava.scheduler.ScheduleStartListener</listener-class>
</listener>
浠ヤ笂綆鍗曠殑璁板綍浜嗗湪欏圭洰涓叧浜?Quartz 鐨勪竴浜涘簲鐢紝濡傛灉鏈変粈涔堟柊鐨勪嬌鐢ㄥ績寰楋紝浼?xì)鍦ㄥ悗闈⒕lх畫鍔犲叆鐨勩?/p>