AspectJ ã«ãããã¢ã¹ãã¯ã â ã¢ã¹ãã¯ãã¯ï¼ãã¤ã³ãã«ãã(ããã¯ãä»æãã Join Point ã®éå)㨠ãã¤ã³ãã«ããã«ä»æããå¦çï¼ã¢ããã¤ã¹ï¼ã®éåã«ãã£ã¦è¨è¿°ããã¾ãï¼ ä¸»ãªå©ç¨æ¹æ³ã¯ AspectJ Programming Guide ã® Appendix Aï¼ ã¯ã¤ãã¯ãªãã¡ã¬ã³ã¹ã«è¨è¿°ããã¦ãã¾ãï¼ AspectJ ã®æ§ææ å ±ã«ã¤ãã¦ã¯ï¼AspectJ/ç°¡æãªãã¡ã¬ã³ã¹ãä½ã£ã¦ã¿ã¾ããï¼ â Callï¼å¼ã³åºãï¼ ã¨ Executionï¼å®è¡ï¼ã®éã â AspectJ ã«ããã代表çãªãã¤ã³ãã«ããã®ï¼ã¤ãï¼ ã¡ã½ããå¼ã³åºãã表ç¾ãã call ã¨ï¼ã¡ã½ããå®è¡ã«å¯¾å¿ãã execution ã§ãï¼ ããããï¼å¼æ°ã¨ãã¦ã¡ã½ããã®ã·ã°ããã£ãåãï¼æ¬¡ã®ããã«æ¸ãã¾ãï¼ // Foo.foo() ã¸ã®å¼ã³åºãæ(å¼æ°ã¯ã©ããªãã®ã§ã) pointcut Fo
AspectJ AspectJ ç°¡æãªãã¡ã¬ã³ã¹ â ãã®ãã¼ã¸ã¯ï¼AspectJ Project ãå ¬éãã¦ãã AspectJ Quick Reference (è±èª) ã®å 容ã«åºã¥ããç°¡æãªãã¡ã¬ã³ã¹ã§ãï¼å³å¯ãªæ§æå®ç¾©ãªã©ã¯æ¸ãã¦ãã¾ããã®ã§ï¼ç°¡æãµã³ãã«éã¨ãã£ãæãã«ãªã£ã¦ãã¾ãï¼ããã¤ãï¼åæã«è£è¶³ããé¨åãããã¾ãï¼ ã¢ã¹ãã¯ãã®å®ç¾©ã«ã¤ãã¦è©³ããç¥ãããæ¹ã¯ï¼AspectJ ã® Programming Guide (è±èª)ãèªãã®ãä¸çªç¢ºå®ã§ãï¼ãã¤ã³ãã«ããå®ç¾©ã®ããæ¹ã«ã¤ãã¦ã¯ï¼æ¸ç±ã§ç´¹ä»ãã¦ããæ¥æ¬èªã®AspectJæ¬ãï¼ããªãæ´çãããå½¢ã«ãªã£ã¦ããã®ã§ï¼ãå§ãã§ãï¼ ã¢ã¹ãã¯ãã®å®ç¾© â ãããã¬ãã«ï¼é常ï¼ã¯ã©ã¹å®ç¾©ãæ¸ãä½ç½®ï¼ã«ããã¦ï¼ã¢ã¹ãã¯ã A ãå®ç¾©ããã«ã¯ï¼ä»¥ä¸ã®ãããªè¨è¿°ã«ãªãã¾ãï¼ aspect A { ⦠} ã¾ãï¼private ãã£ã¼ã«ã
ç°¡åãªã¢ã¹ãã¯ãã®ä½¿ç¨ä¾ ã¾ãç°¡åãªä¾ã¨ãã¦ãHelloWorldããã°ã©ã ã«AspectJãé©ç¨ãã¦ã¿ã¾ãããã ã¢ã¹ãã¯ãã®è¨è¿° ã¾ããããæ®éã®åç´ãªJavaããã°ã©ã ã§ããHelloWorldã¯ã©ã¹ãç¨æãã¾ãã /** * HelloWorld.java * * @author <a href="mailto:[email protected]">Toru TAKAHASHI</a> * @version */ package hello; public class HelloWorld { public static void main(String[] args) { new HelloWorld().sayHello(); } void sayHello() { System.out.println("Hello world!"); } } // HelloWorld æ®
Spring Bootã«ããAPIããã¯ã¨ã³ãæ§ç¯å®è·µã¬ã¤ã 第2ç ä½å人ãã®éçºè ããInfoQã®ããããã¯ãPractical Guide to Building an API Back End with Spring BootããããSpring Bootã使ã£ãREST APIæ§ç¯ã®åºç¤ãå¦ãã ããã®æ¬ã§ã¯ãåºçæã«æ°ãããªãªã¼ã¹ããããã¼ã¸ã§ã³ã§ãã Spring Boot 2 ã使ç¨ãã¦ãããããããSpring Boot3ãæè¿ãªãªã¼ã¹ãããéè¦ãªå¤...
DIï¼ä¾åæ§ã®æ³¨å ¥ï¼ÃAOPï¼ã¢ã¹ãã¯ãæåï¼ã®å¸¸èï¼ä¼æ¥ã·ã¹ãã ã®å¸¸èãJBossã§èº«ã«ã¤ããï¼3ï¼ï¼1/4 ãã¼ã¸ï¼ ä¼æ¥åãã¢ããªã±ã¼ã·ã§ã³ã®ãã¾ãã¾ãªâ常èâãJavaã®ãªã¼ãã³ã½ã¼ã¹ã»ãã¬ã¼ã ã¯ã¼ã¯ç¾¤ã§ãããJBossãããå¦ãã§ããã¾ããããä¼æ¥ã·ã¹ãã ãæ§ç¯ããããã§ã®åºç¤ã¨ãªãç¥èããªãã¡ã¬ã³ã¹æè¦ã§èª¬æãã¦ããã¾ããåå¿è ããä¸å ãããã©ã³ã¾ã§å¤§æè¿ï¼ ååã®ãâå ¨é¨å ¥ãâã®Eclipseã§å¦ã¶çµ±åéçºç°å¢ã®å¸¸èãã§ã¯ãä¼æ¥åãã¢ããªã±ã¼ã·ã§ã³ãæ§ç¯ããéã«å¿ è¦ãªè¦ç´ ã¨ãã¦ãçµ±åéçºç°å¢ãã«ã¤ãã¦èª¬æããå®éã«ãµã³ãã«ã¢ããªã±ã¼ã·ã§ã³ãä½æããä¼æ¥åãã¢ããªã±ã¼ã·ã§ã³ã®æ§ç¯ã«ããããçµ±åéçºç°å¢ã®æ©è½ããã®éè¦æ§ãå¦ã³ã¾ããã ä»åã¯ãDIãAOPãéãã¦ããããã«é¢é£ãããã¬ã¼ã ã¯ã¼ã¯ãJBossã®ã½ããã¦ã§ã¢ã«ã¤ãã¦èª¬æãã¦ããããã¨æãã¾ãã ä¼æ¥åãã¢ããªã±ã¼ã·ã§
Swingã¢ããªã±ã¼ã·ã§ã³ç¨ã®ãã¤ãã³ã¼ãã¨ã³ãã³ãµã«ä½ã使ããã®æ¤è¨ã ããçµè«ã¨ãã¦ã¯ããã©ã«ãã«Javassistã使ããå ´åã«ãã£ã¦ã¯cglibã使ããããã«ã·ã¹ãã ããããã£ã®å¤ã«ãã£ã¦ã¨ã³ãã³ãµ(ãå©ç¨ããAOPç¨ãããã·ã®å®è£ )ãé¸ã¹ãããã«ãããâ»1 Javassistãé¸æããçç±ã ããåºæºã¨ãã¦éè¦è¦ããäºã¤ã®ææ¨ãæ¯ã¹ãã¨ããã é å¸ããjarã®ãµã¤ãº cglib << Javassist å®è¡æã®æ§è½ Javassist >> cglib ã¨ããçµæãåºãããã ã ã¢ããªã±ã¼ã·ã§ã³ãJava Web Startã§é å¸ãããã¨ãèããã¨ãjarãã¡ã¤ã«ã®ãµã¤ãºã¯å°ããã«è¶ãããã¨ã¯ç¡ãããã®ç¹cglibã¯316KBã¨Javassistã®584KBã«æ¯ã¹ã¦200KB以ä¸å°ããã®ã¯é åã ããããã¤ãã®ãã³ããã¼ã¯ãã¹ããè¡ã£ãçµæã§ã¯Javassistãcglibãå§åãã
æ®æ®µã¯ä¸ä½ã®ãã¬ã¼ã ã¯ã¼ã¯ã製åã®ä¸ã«é è½ããã¦ãããããä¸è¬ã®æ¥åã¢ããªã±ã¼ã·ã§ã³ã®ããã°ã©ãã¼ã«ã¯æ°ã¥ãã«ãããã¨ã§ãããåãJavaè¨èªã®ç°å¢ã¨ãã£ã¦ããæ代ã«ãã£ã¦ã³ã¼ãèªåçæã«å¯¾ããèãæ¹ã¯å¤ãã£ã¦ãã¦ãã¾ãã建æãæ¨ãç³ãéçã³ã³ã¯ãªã¼ãã¨å¤åããã°å½ç¶å»ºç©ã®å·¥æ³ãè¨è¨ãç°ãªãããã«ããã¬ã¼ã ã¯ã¼ã¯ãã½ããã¦ã§ã¢ã®ã¢ã¼ããã¯ãã£ã¼ãéçºææ³ã¯æè¡ã®é²æ©ã«åããã¦æã¾ããå½¢ã«é²åããã¦ãããªãã¦ã¯ãªãã¾ããã ããã§ãJavaãã©ãããã©ã¼ã ã®èªåçæã«é¢ããæè¡ååã«ã¤ãã¦ç°¡åã«ã¾ã¨ãã¦ã¿ããã¨æãã¾ãã æã¯éçãªã½ã¼ã¹ã³ã¼ãçæãä¸å¿ æã¨ãã£ã¦ãã»ãã®10å¹´ãããåã®ãã¨ã§ãããJDK1.2ãJava IDLï¼CORBAï¼ãRMIãEJB1.xãªã©ã使ããã¦ããæ代ã®ãã¨ã§ããä¸é¨ã®å é²çãªç 究ãé¤ãã¨ããã®æ代ã«Javaã§èªåçæã¨ããã¨ä¸è¬çã«ã½ã¼ã¹ã³ã¼ããèªåçæ
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}