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ÇѱÛÁ¦¸ñ(Korean Title) |
EJB ±â¹ÝÀÇ È¿À²ÀûÀÎ ¼³°è ÆÐÅÏ ¹× ¿£ÅÍÇÁ¶óÀÌÁî ¾ÆÅ°ÅØó ¼³°è ±â¹ý |
¿µ¹®Á¦¸ñ(English Title) |
Effective Design Pattern and Enterprise Architecture Design Techniques in EJB Environment |
ÀúÀÚ(Author) |
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¿ø¹®¼ö·Ïó(Citation) |
VOL 30 NO. 11 PP. 1025 ~ 1036 (2003. 12) |
Çѱ۳»¿ë (Korean Abstract) |
»ê¾÷°è¿¡¼ °³¹ßºñ¿ë°ú ±â°£À» ´ÜÃà½ÃÅ°±â À§ÇØ ½Ã½ºÅÛÀ» Á¡Â÷ Enterprise JavaBeans(EJB)·Î °³¹ßÇÏ´Â Ãß¼¼ÀÌ´Ù. ±×·¯¹Ç·Î ½Ã½ºÅÛ Àç»ç¿ë¼º, È®À强°ú À̽ļºÀ» ³ôÀ̱â À§ÇØ EJB¸¦ À§ÇÑ ¾ÆÅ°ÅØó°¡ Áß¿äÇØÁ³´Ù. ±×·¯³ª, »óÀ§ ·¹º§ ¼öÁØÀÇ Ãß»óÀûÀÎ ¾ÆÅ°ÅØó´Â Á¦°øµÇÁö¸¸, ÇöÀç °¡´ÉÇÑ J2EE±â¼úÀ» »ç¿ëÇÏ¿© ½ÇÁ¦È ½ÃÅ°´Â ±¸Ã¼Àû ¹æ¹ýÀº Á¦°øµÇÁö ¾Ê¾Æ ½Ç¿ëÀûÀÎ ¼ÒÇÁÆ®¿þ¾î ¾ÆÅ°ÅØó¿¡ °üÇÑ ¿¬±¸°¡ ºÎÁ·ÇÏ´Ù. EJB ±Ô¾à(Specification)Àº EJB¸¦ ¿î¿ëÇϱâ À§ÇÑ ¼¼¼Çºó, ¿£Æ¼Æ¼ºóµéÀÇ Æ¯¼º°ú ¼Ò±Ô¸ð(Fine?Grained)¹æ½ÄÀÇ ÄÄÆ÷³ÍÆ® ¾ÆÅ°ÅØÃĸ¸À» Á¦½ÃÇÏ°í ÀÖ´Ù. ±×·¯¹Ç·Î EJB´Â ÀÛÀº Àç»ç¿ë ´ÜÀ§À̱⠶§¹®¿¡ EJB, ¹Ìµé¿þ¾î ±â¼úÀ» »ç¿ëÇصµ ±â´ë¸¸Å Àç»ç¿ëµÇÁö ¾Ê´Â´Ù. º» ³í¹®¿¡¼´Â EJB ±â¹ÝÀÇ ½Ã½ºÅÛÀ» À§ÇÑ ¿£ÅÍÇÁ¶óÀÌÁî ¼ÒÇÁÆ®¿þ¾î ¾ÆÅ°ÅØó¸¦ ±¸Ã¼ÀûÀÎ ±¸Çö ±â¼ú°ú ±â¹ýÀ» ÇÔ²² Á¦¾ÈÇÑ´Ù. ¶ÇÇÑ È¿À²ÀûÀÎ EJB ¾ÆÅ°ÅØó¸¦ ¼³°èÇϱâ À§ÇÑ EJB ¼³°è ÆÐÅÏÀ» Á¦¾ÈÇÑ´Ù. ¼³°è ÆÐÅϵéÀÇ Àå´ÜÁ¡À» ºÐ¼®ÇÏ¿© ¿£ÅÍÇÁ¶óÀÌÁî ¾ÆÅ°ÅØóÀÇ °¢ °èÃþ¿¡ ÀûÇÕÇÑ EJB µðÀÚÀÎ ÆÐÅÏÀ» ½Äº°ÇÏ°í, µðÀÚÀÎ ÆÐÅÏÀ» Àû¿ëÇÑ ÄÄÆ÷³ÍÆ®¸¦ ÅëÇØ ÃÖÀûÀÇ ÄÄÆ÷³ÍÆ®°£ÀÇ »óÈ£°ü°è¸¦ Áö¿øÇÏ´Â ¾ÆÅ°ÅØó°¡ µÇµµ·Ï ÇÑ´Ù. EJB ¼³°è±â¹ýÀ» °´Ã¼¼öÁØÀÇ ÈÀÌÆ®¹Ú½º Çü½ÄÀÎ ¼Ò±Ô¸ð EJB ÄÄÆ÷³ÍÆ®·Î ºÎÅÍ ´ë±Ô¸ð(Coarse?Grained) ¹æ½ÄÀÇ EJB ÄÄÆ÷³ÍÆ®·Î ¼³°èÇÏ´Â ±â¹ýÀ» 5°¡Áö·Î Á¦½ÃÇÏ°í, EJB ±â¹ÝÀÇ Æ®·£Àè¼Ç, Á¶¸³±â¹ýÀ» Æ÷ÇÔÇÑ ¿£ÅÍÇÁ¶óÀÌÁî ¾ÆÅ°ÅØó ¼³°è ±â¹ýÀ» ±¸Ã¼ÀûÀ¸·Î Á¦¾ÈÇÑ´Ù. |
¿µ¹®³»¿ë (English Abstract) |
In industry, it is a current trend that systems are developed by using Enterprise JavaBeans(EJB) technology for reducing the cost and the time. Thus, the architecture of EJB is getting more essential to enhance reusability, extensibility and portability of system. However little has been studied in the realm of the practical software architectures for EJB. The architecture has just bean studied in abstract level, but not in concrete level providing the method to substantiate it using the practical J2EE techniques. Just using the EJB technology doesn´t guarantee the reusability of the artifacts because EJB specification provides the characteristics and architecture for only fine?grained components as session and entity bean. In this paper, we propose the enterprise software architecture for the systems based on EJB and the concrete techniques for implementing that. Also, design patterns of modeling efficient enterprise architecture are represented. By analyzing both the strengths and the weaknesses of suggested design patterns, EJB design patterns which are suitable for each layer of enterprise architecture will be identified. Through the component which design patterns are applied, the architecture can support the optimized relationship between the components. Five techniques for designing components from fine?grained to coarse?grained based on EJB technology, and architecture design techniques including transaction and assembling techniques are proposed. |
Å°¿öµå(Keyword) |
Enterprise JavaBeans
EJB
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