éå»ã®èšäºã¯ãOOPããŒã«ã䜿çšããŠãã¡ã€ã³ãã¢ãã«åãã人ã ïŒOOPèšèªãUMLè¡šèšïŒã®éã§æŽ»çºãªè°è«ãå·»ãèµ·ãããŸããã ç§ã話ããŠããã¢ã«ãŠã³ãã£ã³ã°ãªããžã§ã¯ãã¯UMLã§ã¢ãã«åãããŠããªãããšãåžžã«åŒ·èª¿ããŠãããšããäºå®ã«ãããããããOOPã¡ãœããã䜿çšããŠã¢ãã«åããåé¡ã¯äœåºŠãç¹°ãè¿ããŸãã OOPããµããžã§ã¯ããšãªã¢ã®ã¢ããªã³ã°ã«ãªãããã»ã©æªãã®ããããäžåºŠèª¬æããå¿ èŠããããšæããŸãã
- OOPã¯ã¯ã©ã¹ãšã¿ã€ããæ··åšãããŸããã ã¢ãªã¹ããã¬ã¹ã«ãã£ãŠã¿ã€ããšåŒã°ãããã®ã¯OOPã§ã¯ã¯ã©ã¹ãšåŒã°ããæ°åŠè
ãã¯ã©ã¹ãšåŒã¶ãã®ã¯OOPã§ã¯ååãä»ããããŠããŸããã
- OOPã«ã¯ãç¶æ¿ãšããçšèªããããŸãã ããã¯ãã¿ã€ããµãã¿ã€ãéå±€ã¢ããªã³ã°ããŒã«ã§ãã ããã¯ãPLOãã¢ãªã¹ããã¬ã¹ã®ããžãã¯äžã«æ§ç¯ãããŠããããšãæå³ããŸãã ãã¡ã€ã³ã¢ããªã³ã°ã«é©çšããããã®ããžãã¯ã®å¶éã¯æ¢ç¥ã§ãããåã®èšäºã§èšåããæžç±Business ObjectsïŒRe-Engineering for Re-Useã§èª¬æãããŠããŸãã ãã®ãããªå¶éã®äŸãšããŠããŸãŠã®ã¯ã©ã¹ã®ãªããžã§ã¯ããšã¯ã©ã¹ã®éŠ¬è»ã®ãªããžã§ã¯ãã®é«ãã®ã¢ããªã³ã°ãæ³åããããšãã§ããŸãã OOPã®ããã2ã€ã®å±æ§ã¯çžäºã«æ¥ç¶ãããŠããªãããããããã®å±æ§ãäœæããããã°ã©ããŒã«é£çµ¡ããããšã§è±¡ã銬è»ã«åãŸãããšãç解ããããšããã§ããŸããã ããšãã°ãç¹æ®ãªå±æ§ãšããŠã®éšå±ã®é«ãããªããžã§ã¯ãã®é«ããªã©ãç¹æ®ãªå±æ§ãå°å
¥ã§ããŸããããããå®è¡ã§ããŸããã
- OOPã§ã¯ãã¡ãœããã¯ã¯ã©ã¹ãªããžã§ã¯ãã«å±ããŸãã çåãçããŸã-è»ãé転ããŠããã®ã¯èª°ã§ããïŒãã€ãŒã«ãŸãã¯ãšã³ãžã³ïŒ å¥ã®è³ªåãæ£ããã ããïŒæäœã®åå è ã¯èª°ã§ããïŒ ã¡ãœããã¯ã¯ã©ã¹ããåé¢ããå¿ èŠããããåå ã®çšåºŠã®è§£éã¯ã¢ãã«ã®èªè ã«å§ããã¹ãã§ãã ããããISãžã®ãã®ãããªåå ã®è§£éã解éããŠããå®éã«ã¯èª°ãäœãããã®ãã誰ãããã€ãã©ãã§å¿ããã£ãã®ãã圌ã«äœãèµ·ãã£ãã®ãã«ã¯ãŸã£ããèå³ããªããããããŒã¿åæã«ã¯åœ±é¿ããŸããæåã®è³ªåãžã®çãããããšã
OOPã«é¢é£ããåé¡ã«å ããŠãçŸåšæµè¡ã®ããã»ã¹ã¢ãããŒãã«é¢é£ããå¥ã®åé¡ããããŸãã ããã»ã¹ã¢ãããŒãã§ã¯ãããã»ã¹ã¯ããã»ã¹ã®ã€ã³ã¹ã¿ã³ã¹ãšåŒã°ããããã»ã¹ã®ã¿ã€ããæ©èœãããã³æ©èœæ§é ã¯ããã»ã¹ãšåŒã°ããŸãã OOPããªããžã§ã¯ãã®ã¯ã©ã¹ããªããžã§ã¯ãã®ã¿ã€ããšæ··åããå Žåã1ã€ã®ããã«å ã®ããã»ã¹ã¢ãããŒãã¯ããªããžã§ã¯ããšãªããžã§ã¯ãã®ã¿ã€ããæ··åããã€ãŸããæ§è³ªã®ç°ãªããªããžã§ã¯ããåŒã³åºããŸãã ãã®çšèªã®æ··ä¹±ã§ããã°ã©ããã©ã®ããã«çãæ®ããã¯ããããŸããããç§ãèªãã ããšããå€æãããšã圌ãã¯ãã®åé¡ãç¡èŠããããšããŸãã
ãããã®åé¡ã®å°ãªããšãäžéšã®è§£æ±ºçã¯ããªã³ãããžãŒã¢ããªã³ã°æè¡ãç¹ã«ã»ãã³ãã£ãã¯ãããã¯ãŒã¯ãã¯ãããžãŒãã»ãã³ãã£ãã¯ãŠã§ãã«ãã£ãŠæäŸãããŸãã äžå¹žãªååãšå°é£ãªéåœã«ãããããããå®äžçã®äžéšã®ã¢ãã«ãé»å圢åŒã§ç¿»èš³ããããã®ããŒã«ã¯ãOOPãããžãã¹ããã»ã¹ã®ã¢ããªã³ã°ã®ããã®äžè¬çãªè¡šèšãããã¯ããã«åªããŠããŸãã ãããã®ãã¯ãããžãŒã®æ©èœã«ã€ããŠã¯ã ãã¡ããã芧ãã ãã ã
ãããã®æè¡ã®å©ããåããŠãããŸããŸãªãªããžã§ã¯ãã®ããŸããŸãªèŠç¹ãåçŽã«ã·ãã¥ã¬ãŒãããããšãå¯èœã§ãããè€æ°ã®è¢«éšè ãåæããå ±éã®ãã€ã³ããšããããã®ãã©ã€ããŒããªèŠç¹ã®äž¡æ¹ãåæ ã§ãããšããäºå®ã«ç¹ã«æ³šæãæãå¿ èŠããããŸãã ïŒç°ãªã人ã ã®èŠ³ç¹ããïŒäºãã«ççŸããäºå®ãã¢ãã«ã§è¡šçŸãããããã®ççŸãèæ ®ã«å ¥ããŠè«ççãªçµè«ãåŸãããšãã§ããŸãã ãªã³ãããžãŒããŒã«ã䜿çšããŠãã®ãããªç¥èãæäœããäŸã¯ã ããã«ãããŸã ã
ãªããžã§ã¯ãã®ã¢ããªã³ã°ãæ€èšããŠãã ããã äžè¬ã«ã空éå ã®ãªããžã§ã¯ãã«ã¯å¢çãæ確ã«å®çŸ©ãããŠããŸãã ãã ãããã¹ãŠã®ã¢ã«ãŠã³ãã£ã³ã°ãªããžã§ã¯ãã«ãã®ãããªå¢çãããããã§ã¯ãªããšããäºå®ã«æ £ããå¿ èŠããããŸãã ããšãã°ãæäœã ã¬ã¹ã®ããŒã«ãæ³åããŠãã ããã ãã®ç©ºéçå¢çã¯æ確ã§ç解ãããããã®ã§ã-ãããã¯ããŒã«ã®å£ã§ãã ããŒã«ãç Žè£ããããŒã«ã«å«ãŸããã¬ã¹ãèšåŒµãå§ãããšããŸãã ãã®åŸãäŒæããã¬ã¹ãååšããé åã®äœç©ãå¶éããè¡šé¢ãæ£ç¢ºã«èšè¿°ããããšã¯ã§ããŸãããããã®ã¬ã¹ãæ£ç¢ºã«è¶ ããŠããªãå¢çãèšè¿°ããããšã¯ã§ããŸãïŒçµäºãããŸã§ïŒã åæ§ã«ãæäœã®æ£ç¢ºãªå¢çãèšè¿°ããããšã¯ã§ããŸããããæäœãè¶ ããªãå¢çãéåžžã«ç°¡åã«èšè¿°ããããšãã§ããŸãã ããšãã°ããã«ãã®å転æäœã¯ã¯ãŒã¯ã·ã§ããã®å€ã«åºãŸããã ãããã£ãŠãäœæ¥ã¯ã¯ãŒã¯ã·ã§ããã§çºçããŠãããšèšããŸãã ããã«ããªããžã§ã¯ããå¯ãªãªããžã§ã¯ããšèŠãªãã®ãæ £ç¿çã§ãããä»ã®ãªããžã§ã¯ããšåæã«äº€å·®ããããšã¯ã§ããŸããã ãã ããããã°æäœã¯æ©èœããŸããã åãã¯ãŒã¯ã·ã§ããã§åæã«2ã€ã®æäœãè¡ãããšãã§ããŸãã ããŒã«ãšã®æ¯èŒãç¶ãããšãããŒã«ãç Žè£ããåŸãäŒæã¬ã¹ã¯ä»ã®ã¬ã¹ãšäº€å·®ããäœç©ãå æãå§ããŸããã æäœã«ã€ããŠãã©ãã ãéå§ãããã€çµäºãããã確èªã§ããŸãã ããã¯ãçµæçãªãªããžã§ã¯ãã®å¢çã®èª¬æã§ãã åæ§ã«ãæäœã ãã§ãªãä»»æã®ãªããžã§ã¯ãã®æéå¢çãæå®ããããšãã§ããŸãã ããšãã°ããã«ãã¯2016幎9æ1æ¥ãã2017幎11æ23æ¥ãŸã§ã®éã«å溶解ãããŸããã
ãã«ãã®å¢çãèšè¿°ããããã«ã次ã®çšèªã䜿çšããŸãïŒå®å®ã§ïŒã©ãã«ãããŸããïŒ æéå ïŒãã€ååšããŸããïŒ æäœã®å¢çã説æããããã«ã次ã®çšèªã䜿çšããŸãïŒå®å®ã§ïŒã©ãã§çºçããŸãããïŒ ãããŠïŒãã€ãããèµ·ãããŸãããïŒ ãã«ãã«ã€ããŠå°ããããšã¯çããããšã§ãããã€èµ·ãã£ãã®ã§ããããïŒ ãããŠãæäœã«ã€ããŠïŒã©ãã«ååšããŸããïŒ åé¡ã¯èšèªã§ãã ç°ãªãçš®é¡ã®äŒèšãªããžã§ã¯ãã«å¯ŸããŠããŸã£ããåã質åãå¥ã ã«å®åŒåãããŸãã ããã¯ãæäœã4次å ãªããžã§ã¯ããšããŠæ³åããããšãé£ãããã1ã€ã®çç±ã§ãã
ãããã£ãŠã4次å ãªããžã§ã¯ããã¢ãã«åããã«ã¯ã4次å æ空ã®å¢çã®èšè¿°ããã®èšè¿°ã®è§£éããåé¢ããå¿ èŠããããŸãã ãããªãè°è«ã§ã¯ã4次å ãªããžã§ã¯ããã¢ãã«åããããã«äœ¿çšããææ³ãšããããã®èšè¿°æ¹æ³ãé¢é£ä»ããããŠãã解éã«ã€ããŠèª¬æããŸãã
ãªããžã§ã¯ããèšè¿°ããããã«ãã·ãã¥ã¬ãŒãããããªããžã§ã¯ããå¶éããå¢çãæ§ç¯ãããŸãã æ°åŠçåé¯ã®å¯Ÿè±¡ã«ãªããªãå Žåã4次å ãªããžã§ã¯ãã®å¢çã¯3次å ãªããžã§ã¯ãã«ãªããŸãã ãã®3次å ã®å¢çç·ãã§ããã ãæ£ç¢ºã«ç¥ãããã§ãã ããšãã°ããã³ããŒïŒ4次å ãªããžã§ã¯ãïŒã2016幎12æ1æ¥ãã2017幎3æ1æ¥ãŸã§åšåº«ããããšèšãå Žåãããã¯ãã³ããŒã®æªãã¢ãã«ã«ãªããŸãã ãã³ããŒã«ã€ããŠããå°ãç¥ãããã§ãã ããšãã°ããã¥ââãŒããé 眮ãããŠãããã¥ãŒãã®æ£ç¢ºãªåº§æšãæå®ã§ããŸãã ç«æ¹äœã®æ£ç¢ºãªå¢çã¯æ¬¡ã®ããã«ãªããŸãïŒX軞ã«æ²¿ã£ãŠïŒ10ãã20 cmãY軞ã«æ²¿ã£ãŠïŒ30ãã35 cmãZ軞ã«æ²¿ã£ãŠïŒ120ãã135 cmã2016幎12æ1æ¥ãã1ã«æé軞ã«æ²¿ã£ãŠ2017幎3æã 次ã«ãæäœãšããŠè§£éããã4次å ãªããžã§ã¯ããååŸããŸãã ãã®4次å ãªããžã§ã¯ãã®èª¬æã¯ããã³ããŒãšããŠè§£éããã4次å ãªããžã§ã¯ãã®èª¬æãšåãã«èŠããŸãã ãã®ããã3å¢çã¯ãã€ã³ã·ãã³ããçºçããå Žæãæäœã®éå§æéãšå®äºæéã䜿çšããŠèšè¿°ãããŸãã ãããŸã§ã®ãšãããæäœã®èª¬æãšãã³ããŒã®èª¬æãåºå¥ãããã®ã¯ãããŸããã æäœãšãã³ããŒãæ¬åœã«åºå¥ããã®ã¯ããããç解ããããšã§ãã ç§ãã¡ã®èŠè§£ã§ã¯ããã³ããŒã¯æéãšãšãã«åœ¢ç¶ãå€åããªãé«å¯åºŠã®ãªããžã§ã¯ãã§ãã ããã©ããããæäœã¯æ§æãç·©ããäžå®ã®æ確ãªåœ¢åŒãæããªãã ãããããã®ç¥èã¯ã¢ãã«ã«ã¯å«ãŸããŠããŸãããããããã®ã¢ãã«ã«ä»éããå¥çŽã«å«ãŸããŠããŸãã ãã³ããŒãšæäœã®éãã匷調ããããã«ãèšèªãã¿ãŒã³ã䜿çšãããŸããæäœãçºçãããšããã³ããŒãååšããŸãã ãããã®ãã¿ãŒã³ã¯ããã³ããŒã®äžå€æ§ãšæäœã®å¯å€æ§ã匷調ããŠããŸãã
ãã³ããŒã調ã¹ãŠããã®ãã³ãã«ã«æ²¿ã£ãŠç§»åãããšããŸãã ãã®åãã«ãããè¡šé¢ã®ãã¯ã¹ãã£ã¯å€åããŸããã æé軞ã«æ²¿ã£ããã®ãããªåãã®é¡äŒŒç©ãæ³åããã«ã¯ãæé軞ã«æ²¿ã£ãŠç§»åãããšãã®4次å ãªããžã§ã¯ãã®è¡šé¢ãç¶æ ã«ãã£ãŠèšè¿°ãããããšãç解ããå¿ èŠããããŸãã ããã¯ãé¡æšãåŒãåºãããã«ãæé軞ã«æ²¿ã£ãåããäŒèšãªããžã§ã¯ãã®ç¶æ ãå€ããªãããšãå¿ èŠã§ããããšãæå³ããŸãã ããšãã°ããã³ããŒã¯ããŒãã«ã®äžã«ããã誰ã䜿çšããŸããã ãã³ããŒã®ç¶æ ã¯å€ãããŸããã
ä»ããã³ããŒã®ãã³ãã«ããã€ã³ãã§ãã€ã³ãããããã®ãã€ã³ããèµ€ããéãžã®ã°ã©ããŒã·ã§ã³ã§ãããšæ³åããŠãã ããã ãã³ãã«ã«æ²¿ã£ãŠç§»åãããšãè²ã®å°ããªå€åã芳å¯ãããŸãã ãã®ãããªæéã®åãã®é¡äŒŒç©ã¯ããªããžã§ã¯ãã®ç¶æ ã®å€åã®èŠ³æž¬ã§ãããããããã®ïŒç¶æ ïŒã¯æéçã«é£æ¥ããç¶æ ãšã¯ãããã«ç°ãªããŸãã ãã®ãããªç¶æ ã®å€åã®äŸã¯ã空éå ã§ã®ç©è³ªãã³ããŒã®åãã§ãã äœã®ç¶æ ã¯é£ç¶çãã€ã¹ã ãŒãºã«å€åããŸãã ããã«ãéãããæéã§èç©ãããå€åã¯ã蚺æãšèŠ³å¯ã®ããã«ååã«åŒ·ãå¯èœæ§ããããŸãã ãã®ãããªæéã®æéã®å€åã¯ãæäœãšåŒã°ããŸãã
ä»ããã³ããŒã®ãã³ãã«ã«æ²¿ã£ãŠç§»åããŠãã¹ãã©ã€ã«ãŒã«åºäŒã£ããšæ³åããŠãã ããã ããã¯ãè¡šé¢ãã¯ã¹ãã£ã®æ¥æ¿ãªå€åã§ãã æé軞ã«æ²¿ã£ãŠç§»åãããšãã®ãã®ãããªãžã£ã³ãã®é¡äŒŒç©ã¯ãã¢ã«ãŠã³ãã£ã³ã°ãªããžã§ã¯ããŸãã¯ã€ãã³ãã®ç¶æ ã®æ¥æ¿ãªå€åã§ãã å®å®ã§ã®ãã³ããŒã®åããèæ ®ãããšãããã¯å®å®ã§ã®äœçœ®ã®äºæããªããžã£ã³ãã«ãªããŸãã ãã®ãããªãžã£ã³ããé²ãæ £æ§ãæã£ãŠããããããããªã¢ã«ããã£ã«ã€ããŠãããæ³åããããšã¯å°é£ã§ãã ãã ããåŸæ¥ã®ããžãã¹ãªãã¬ãŒã·ã§ã³ãèæ ®ãããšããã®ã€ãã³ãã¯ãªãã¬ãŒã·ã§ã³ã®ãªãœãŒã¹ã®åžåã2ã€ã®æ©èœãªããžã§ã¯ãã®1ã€ãžã®çµ±åãã€ãŸãã¿ãŒããŒãè·å Žã«çãã補åããªãªãŒã¹ããããšã§ããå¯èœæ§ããããŸãã ãããã«ãããã€ãã³ããšã¯ããªãã¶ãŒããŒããã®æéããŒããšèŠãªããããªçãæéã§ã®ã¢ã«ãŠã³ãã£ã³ã°ãªããžã§ã¯ãã®ç¶æ ã®å€åã§ãã å¥ã®ãªãã¶ãŒããŒãç¶æ ã®ç 究ã«ãã泚æãæã£ãŠãããå€åãç¬éçã«ã§ã¯ãªãåŸã ã«èµ·ãã£ãããšããããããšã¯æããã§ãã ãããã£ãŠãã€ãã³ãã¯ããªããžã§ã¯ãã®ç¶æ ã®å€åã«å¯Ÿãã䞻芳çãªèªèã§ãã ãªããžã§ã¯ãã¯ãç§ãã¡ãæ§ç¯ããŠããã¢ãã«ã§ãã客芳ççŸå®ã®äžéšã§ãããšããè³ã«ããŸãã ãã ããæè¿èŠãããã«ããªããžã§ã¯ãèªäœã¯4空éã®4ããªã¥ãŒã ã®äž»èŠ³çãªè¡šçŸã§ããããŸãã ãããã£ãŠããã®ãªããžã§ã¯ãããã®ã€ãã³ãããã®æäœã¯çŸå®ã®ã¢ãã«ã§ããã䞻芳çãªç¥èŠã®çµæã§ãã
ãªããžã§ã¯ãã4空éã®4ããªã¥ãŒã ã¢ãã«ãšããŠå®çŸ©ããããããªããžã§ã¯ãã®ã¿ã€ããå€å¥ã§ããŸãã å€ãã®4ããªã¥ãŒã ã¢ãã«ããŸãã¯å€ãã®ãªããžã§ã¯ãããããšããŸãã ãããã®ã¢ãã«ã¯ãæèã®äžã§è¢«éšè ã«ä¿åãããŸãã ãããã®ã¢ãã«ãäºãã«é¡äŒŒããŠããå Žåã被éšè ã¯ãããã®ã¢ãã«ã®ã¢ãã«ãäœæã§ããŸãã ãã®ã¢ãã«ã¯ã被éšè ã®å¿ã«ãä¿åãããŠããŸãã ãã®ã¢ãã«ã®ã¢ãã«ã¯ããªããžã§ã¯ãã®ã¿ã€ãã§ãã ã¢ãã«ã¢ãã«ã¯ãæœè±¡åã®ç¬¬2ã¬ãã«ã§ãã æœè±¡åã®æåã®ã¬ãã«ã¯4空éã¢ãã«ã§ãããããªããžã§ã¯ããšåŒã³ãŸãã
è¡šé¢ã®ã¢ããªã³ã°ãéããŠ4次å ãªããžã§ã¯ããã·ãã¥ã¬ãŒãããã«ã¯ã倧éã®ããŒã¿ãå¿ èŠã§ãã ç¹å®ã®ä»®å®ãè¡ãããšã«ããããã®éãæžããæ¹æ³ããããŸãã
ããšãã°ãæäœã説æããããã«ãæäœã®éå§æã«ãªãœãŒã¹ã®åžåãšæ©èœãªããžã§ã¯ãã®çµ±åã®ãã¹ãŠã®ã€ãã³ããçºçããæäœã®çµäºæã«å®æåã®ãªãªãŒã¹ãçºçãããšæ³å®ã§ããŸãã ãããäžè¬çã«æ£ãããªãããšã¯æããã§ããããã®èšè¿°æ¹æ³ã§ã¯ããã¹ãŠã®ã€ãã³ããæäœã®éå§ãŸãã¯å®äºãŸã§æžããããšãã§ããŸãã
ãã«ãã®ã·ãã¥ã¬ãŒã·ã§ã³ãè¡ããããšããŸãããã«ãã®ã¹ã¬ããã«ã¯å€ãã®ã¿ãŒã³ããããŸãã ãããã·ãã¥ã¬ãŒãããã«ã¯ãã¹ã¬ããã®ããããšé·ãã瀺ãã ãã§ååã§ãã ã€ãŸãããµãŒãã§ã¹ãèŠçŽ ã«åå²ã§ãããããããäºãã«é¡äŒŒããŠããå Žåãããããã¹ãŠã®èŠçŽ ã®ã¢ãã«ã«å¯ŸããŠ1ã€ã®ã¢ãã«ãäœæã§ããŸãïŒã³ã€ã«ã®ã¿ã€ãïŒã ãããã®èŠçŽ ã®æ°ãšãããã®ãããã³ã°æ¹æ³ãæå®ãããšããã®ãããªãµãŒãã§ã¹ãã¢ãã«åããããã«å¿ èŠãªæ å ±éãå€§å¹ ã«åæžã§ããŸãã ãã®èšè¿°ã¯ãè¡šé¢èŠçŽ ãåé¡ããããšã«ãããã¢ãã«ã®äœç©ãæžãããŸãã
ã»ããã®ãªãªãŒã¹ã®ã€ãã³ãïŒãã«ãã®ã¹ã¬ãããªã©ïŒãå®æçã«ïŒãã ãã¹ããŒã¹ã§ã¯ãªãæéå ã«ïŒç¶ãæäœãã·ãã¥ã¬ãŒãããå Žåãããããã¹ãŠã®ã€ãã³ãïŒã€ãã³ãã®ã¿ã€ãïŒã«å¯ŸããŠ1ã€ã®ã¢ãã«ãäœæããæéãæå®ã§ããŸãããã®éãã»ãããçç£ãããŸããã ããã«ãããã€ãã³ããåé¡ããããšã§æäœã¢ãã«ã®ããªã¥ãŒã ãåæžãããŸãã
ããã§ãåé¡ã®ã¢ãã«ã®ãã¬ãŒã ã¯ãŒã¯å ã§é·ããæããã«äžæã§ããããã¢ãã«åãããé åããã倧ããã¹ã¬ãããã¢ãã«åãããŠãããšä»®å®ããŸãã ããçš®ã®é·ãç¡éã¹ã¬ããã ãããã¢ãã«åããããã«ãã¿ãŒã³ã®ã¢ãã«ïŒã¿ãŒã³ã®ã¿ã€ãïŒã®ã¢ãã«ãäœæããããšãã§ããŸãããã¢ãã«ã®ãã¬ãŒã ã¯ãŒã¯å ã®æ°ã¯ç¡éã§ããããããã®æ°ã瀺ãããšã¯ã§ããŸããã å¯äžèšããããšã¯ã糞ã®ãããããŸãã¯åäœé·ããããã®å·»ãæ°ã§ãã ãããã£ãŠããã®ãããªç¡éã¹ã¬ããã®èª¬æã¯ã¿ãŒã³ã®ã¿ã€ãã«ãªããŸãã
空éå ã®å¹ŸäœåŠçãªããžã§ã¯ããç¹°ãè¿ãããã®ã§ã¯ãªããæéå ã®ã€ãã³ãã§ããç¡éã¹ã¬ããã®èšè¿°ã«é¡äŒŒããŠããã®ã¯ãããšãã°å¥ã®ã»ãããçæããããªã©ãç¹å®ã®æéééã§åæ§ã®ã€ãã³ããçºçããèšè¿°ã§ãã ãã®ãããªã€ãã³ãã®æ°ã¯ããããªãã®ã§ããã®é »åºŠã«ã€ããŠã®ã¿èšãããšãã§ããŸããããšãã°ã1æéã«1ã€ã®ã»ããã§ãã ãã®ãããªãªããžã§ã¯ãã®èšè¿°ã¯ãããžãã¹æ©èœã®èšè¿°ã«å¯Ÿå¿ãã圌ãã¯ãããã»ãããçç£ããæ©èœã§ãããšèšããŸãã ã€ãŸããé¢æ°ã®èª¬æã¯ã€ãã³ãã®ã¿ã€ãã«ãªããŸãã
ç§ã¯ããžãã¹æ©èœã®ç§ã®å®çŸ©ã«æ¥ãŸãã ããžãã¹é¢æ°ã¯ããããã®ã€ãã³ãã®å¯åºŠãçµæçã«ç€ºãäžé£ã®ã€ãã³ãã¿ã€ãã®åœ¢åŒã§èšè¿°ããã4次å ãªããžã§ã¯ãã§ãïŒçž®éããå Žåã1ã€ã®ã¿ã€ãã®ã¿ãããšãã°ã»ãããæŸãããã®ã€ãã³ãã¿ã€ãïŒã ãã®å®çŸ©ã¯ãé¢æ°ãå ¥åã¹ããªãŒã ãåºåã¹ããªãŒã ã«å€æãããšå®çŸ©ãããŠããäžè¬ã«åãå ¥ããããŠããå®çŸ©ãšã¯éåžžã«ç°ãªãããšã«æ³šæããŠãã ããã ããããççŸã¯ãããŸããã é¢æ°ã®éåžžã®å®çŸ©ã¯ãç§ã®ç¹å¥ãªå Žåã§ãã åé¡ã¯ãé¢æ°ãã¢ãã«åããåãã¿ã€ãïŒã€ãã³ãã®ã¯ã©ã¹ïŒã®åã€ãã³ãã»ããã«å¯ŸããŠããããªã¢ã«ã¢ã«ãŠã³ãã£ã³ã°ãªããžã§ã¯ãã®ã¹ããªãŒã ãå±æ§ä»ãã§ããããšã§ãã ãããŠãåã¿ã€ãã®ã€ãã³ãã¯ããªããžã§ã¯ãã®ã¹ããªãŒã ãšãã®ã¹ããªãŒã ã®æ¹åã«èµ·å ããŸãã ãã ãããã®ãããªæ©èœã®ç解ã¯ãã¢ã¯ã·ã§ã³ãå®è¡ããã¢ã¯ã¿ãŒã®å©ããåããŠæäœã説æããããšãšåãã§ãã ããã¯ãç°ãªãèŠç¹ããã¢ãã«ãèŠãããšãã§ããªãããšã§ãã ç§ã®å®çŸ©ã§ã¯ãã€ãã³ãã®çš®é¡ããšã«ãã¢ããªã¹ããå¿ èŠãªäŒèšãªããžã§ã¯ãã圌ã ãã«åž°å±ãããããšãã§ããå Žåãå€å žçãªã¢ãã«ã§ã¯ããã¯äžå¯èœã§ãã ãããŠãããã«ãããTraisabilitiã®èŠä»¶ãèæ ®ããŠã¢ãã«ãæ§ç¯ããããšãã§ããªããªããŸãã ããã«ãã€ãã³ãã¿ã€ããã¢ãã«åãããšããã¹ã¬ããã¢ããªã³ã°ã«ãŸã£ããçžãããŠããŸããã é¢æ°ãåºå ¥ãããäŒèšãªããžã§ã¯ããèŠã€ããããšãé£ããããããªããžã§ã¯ãã®ãããŒãèšè¿°ããããšãã§ããªãå ŽåããããŸãã ããšãã°ãããšãã®æã«å転ããããŒã«ãä¿æããæ©èœãã·ãã¥ã¬ãŒããããšããã®ãããªæ©èœå ã®ãªããžã§ã¯ãã®æµããã·ãã¥ã¬ãŒãããããšã¯ã§ããŸããããããšãããŒã«ãã·ã¹ãã ããã¯äœãæµãããæ©èœã«ã¯äœãæµããŸããã 確ãã«ããã¯ã©ãŠã³ããŒã«ãã·ã¹ãã ã§ã¯ãçºçããã€ãã³ãã¯é¢æ£çã§ã¯ãªããé£ç¶çã§ãã
é£ç¶ããã€ãã³ãã®æµããç解ããããã«ãé»æ°ã¢ãŒã¿ãŒã«ç®ãåããŸãããã äžæ¹ã§ã¯ãé»åæ©ãç©äœãšããŠæ³åããã®ã¯ç°¡åã§ãã ããã¯éåžžã«é »ç¹ã«è¡ãããŸãã é»æ°ã¢ãŒã¿ãŒã®ã·ã£ããã®åããã·ãã¥ã¬ãŒãããå¿ èŠããªãå Žåãã¢ããªã¹ãã¯æ¬¡ã®ããã«èšè¿°ããŸããé»æ°ã¢ãŒã¿ãŒã¯ãã®ãããªãã®ã§ãã ããã¯ã3次å ãªããžã§ã¯ãã®åœ¢åŒã®4次å ãªããžã§ã¯ãã®ã·ãã¥ã¬ãŒã·ã§ã³ã§ãã äžæ¹ãé»åæ©ã®ã·ã£ããã®å転ãã·ãã¥ã¬ãŒãããããšãã§ããŸãã ã¢ãŒã¿ãŒã·ã£ããã¯åçã«å転ããŸãã ä»»æã®æç¹ã§ã®åã·ã£ããäœçœ®ã¯ç¶æ ã§ãã ãã®ãããªæ¡ä»¶ã¯ãã¹ãŠåãã¿ã€ãã§ãã ãã®ãããªç¶æ ã®æ°ã¯ã枬å®ãè¡ãããé¢æ£ã«äŸåããŸãã ããã¯äžæçãªé¢æ£ã§ãã£ãŠããè§åŒµã£ãŠããŠãããã ã¢ããªã³ã°ã®ç®çã§ã¯ãè§åºŠé¢æ£ããšãã®ã䟿å©ã§ããã€ãŸããç¹å®ã®è§åºŠãããšãã°1å転åã ãã·ã£ããã®å転ãšäžèŽããç¶æ ãåãã¿ã€ããšèŠãªãã®ã䟿å©ã§ãã 次ã«ãæé軞äžã®ãã®ãããªç¶æ ã®å¯åºŠ-æ¯åã®å転æ°ã¯ãã·ã£ããã®å転é床ã«ã€ããŠè©±ããŸãã ãããã£ãŠãããšãã®æã§å転ããããŒã«ã¯ããã®ããŒã«ã®å転ã®è§é床ã«ãã£ãŠèª¬æãããŸãã æé軞ã«æ²¿ã£ãŠååžããç¶æ ã®å¯åºŠã¯ãåãã¿ã€ãã®ããç¶æ ããå¥ã®ç¶æ ãžã®é·ç§»ãçºçããé床ã«ã€ããŠæããŠãããŸãã 人éã®æèãèšå€§ãªæ°ã®åæ§ã®ç¶æ ã«çŽé¢ããŠããå Žåãã¢ããªã¹ãã¯ç¶æ ã¢ããªã³ã°ããç¶æ å¯åºŠã®ã¢ããªã³ã°ã«ç§»è¡ããããšãäœåãªããããããã¯é¢æ°ãšããŠã®ãªããžã§ã¯ãã®èšè¿°ã§ãã ã¢ãŒã¿ãŒè»žã®å転ã®å Žåãããã¯è»žã®å転ã®é¢æ°ã§ãã
4次å ã®ãªããžã§ã¯ããåæã«ã·ãã¥ã¬ãŒãã§ããããšã«æ³šæããŠãã ããã
- 3ãªããžã§ã¯ããšããŠ-ã¢ãŒã¿ãŒã
- ã·ã£ããå転ã®é¢æ°ãšããŠã
ããã¯ãäŒèšå¯Ÿè±¡ãçŸå®ã§ã¯ãªãçŸå®ã®ã¢ãã«ã§ãããšããçè«ãããäžåºŠç¢ºèªããŸãã ãã ãã4次å ãªããžã§ã¯ããé¢æ°ãšããŠåæã«ãªããžã§ã¯ããšããŠã¢ãã«åããæ©èœã¯å¶ç¶ã§ã¯ãããŸããã ãŸãã§æ°Žã®æµããèŠãŠããããã§ãæåã®ã¹ã©ã€ããŒãéãéããã®ãèŠãŠãç®ã¯åã ã®ã¹ã©ã€ããŒãåºå¥ããªããªããŸããããã®æµããç¥èŠãå§ããŸãã ããã¯ã人éã®å¿ã倧éã®æ å ±ãåŠçã§ããããªããžã§ã¯ãã®ç¥èŠãããªããžã§ã¯ãã®æµãã®ç¥èŠã«ç§»è¡ããããã«çºçããŸãã ãã®é·ç§»ã¯ãåçã·ã¹ãã ãšããŠã®4次å ãªããžã§ã¯ãã®èªèãããéçãªããžã§ã¯ããšããŠã®èªèãžã®é·ç§»ãæå³ããŸãã ãããã£ãŠãé¢æ°ã¯åãã¿ã€ãã®ã€ãã³ããçæããéçãªããžã§ã¯ãã§ãã
次ã®èšäºã§ã¯ã4次å ãªããžã§ã¯ãéã®ãéšåçãé¢ä¿ãæ€èšããããã«ããå®çŸ©ã§ããæŠå¿µã説æããŸãã