{"id":302,"date":"2015-08-17T02:51:31","date_gmt":"2015-08-17T02:51:31","guid":{"rendered":"http:\/\/ta.onionmixer.net\/wordpress\/?p=302"},"modified":"2015-08-17T03:19:41","modified_gmt":"2015-08-17T03:19:41","slug":"design-pattern-for-smalltalk-singleton","status":"publish","type":"post","link":"http:\/\/ta.onionmixer.net\/wordpress\/?p=302","title":{"rendered":"Design Pattern for Smalltalk &#8211; Singleton"},"content":{"rendered":"<p><a href=\"http:\/\/ta.onionmixer.net\/wordpress\/?attachment_id=303\" rel=\"attachment wp-att-303\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/ta.onionmixer.net\/wordpress\/wp-content\/uploads\/2015\/08\/t_Dpsc_chapter03_Singleton_01.jpg\" alt=\"t_Dpsc_chapter03_Singleton_01\" width=\"800\" height=\"275\" class=\"alignnone size-full wp-image-303\" srcset=\"http:\/\/ta.onionmixer.net\/wordpress\/wp-content\/uploads\/2015\/08\/t_Dpsc_chapter03_Singleton_01.jpg 800w, http:\/\/ta.onionmixer.net\/wordpress\/wp-content\/uploads\/2015\/08\/t_Dpsc_chapter03_Singleton_01-480x165.jpg 480w, http:\/\/ta.onionmixer.net\/wordpress\/wp-content\/uploads\/2015\/08\/t_Dpsc_chapter03_Singleton_01-300x103.jpg 300w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<p>Singleton \ud328\ud134\uc744 \uc544\uc8fc \ub2e8\uc21c\ud558\uac8c \uc124\uba85\ud558\uc790\uba74 \ub2e8\uc77c \ud074\ub798\uc2a4\uc5d0 \ub300\ud55c \ub2e8\uc77c \uc778\uc2a4\ud134\uc2a4\ub77c\uace0 \ud560 \uc218 \uc788\ub2e4. \ud558\uc9c0\ub9cc \uc815\ud655\ud558\uac8c \ub530\uc9c0\uc790\uba74 Singleton\uc740 &#8220;\ub2e8\uc77c \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\ud55c \ub2e8\uc77c \uc778\uc2a4\ud134\uc2a4\uc758 \uad00\ub9ac&#8221;\uac00 \ub41c\ub2e4. Singleton\uc774 \uad6c\ud604\ub41c \ud658\uacbd\uc774 \ub2e8 \ud55c\uac1c\uc758 class\ub9cc\uc774 \uc874\uc7ac\ud558\ub294\uac83\uc774 \uc544\ub2c8\ub77c \uc774 \ud074\ub798\uc2a4\ub97c \uc0c1\uc18d\ubc1b\uc740 \ud558\uc704\ud074\ub798\uc2a4\uac00 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0, \uc774 class \uad70\uc5d0\uc11c \uad00\ub9ac\ud558\ub294 \uc778\uc2a4\ud134\uc2a4\uac00 \uc624\uc9c1 \ud558\ub098\ub9cc \uc874\uc7ac\ud558\ub294\uac83\uc774 \uc774 \ud328\ud134\uc758 \ud575\uc2ec\uc774\ub77c \ud560 \uc218 \uc788\ub2e4. \uc0c1\uc704\ud074\ub798\uc2a4\uc640 \ud558\uc704\ud074\ub798\uc2a4\uac00 \uc874\uc7ac\ud558\ub294 \uad6c\uc870\ub77c\uace0 \ud574\ub3c4 \uc774 \ud074\ub798\uc2a4 \uad70\uc5d0\uc11c\ub294 \ud558\ub098\uc758 \uc778\uc2a4\ud134\uc2a4\ub9cc \uad00\ub9ac\ud55c\ub2e4\ub294 \uac83\uc774 Singleton \ud328\ud134\uc774\ub2e4. \uc774\ub7f0\uacbd\uc6b0 Singleton\ud328\ud134\uc744 \ud658\uacbd\ubcc0\uc218 \ub610\ub294 \ud604\uc7ac \ud504\ub85c\uadf8\ub7a8\uc774 \uad6c\ub3d9\ub418\ub294 \ud658\uacbd\uc5d0 \ub530\ub77c \ud544\uc694\ud55c \ud558\uc704 \ud074\ub798\uc2a4\ub97c \uc120\ud0dd\ud574\uc11c, \uc774\ub97c \ub2e8\uc77c \uc778\uc2a4\ud134\uc2a4\ub85c \uad00\ub9ac\ud558\uac70\ub098 \ud544\uc694\ud55c \ub3d9\uc791 \ubc29\uc2dd\uc744 \uc120\ud0dd\ud558\uac8c \ub41c\ub2e4.<\/p>\n<p>Singleton\uc758 \ud558\uc704\ud074\ub798\uc2a4 \uae4c\uc9c0 \uac00\uc9c0\uace0 \uc788\ub294 \uad6c\uc870\uc758 \uacbd\uc6b0 \ud658\uacbd\uc5d0 \ub530\ub77c \uc5b4\ub5a4 \ub808\ubca8\uc758 (\ub610\ub294 \uc5b4\ub5a4 \uc885\ub958\uc758) \ud558\uc704 \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud558\uac8c \ub420\uc9c0 \ub4f1\uc744 Singleton\uc758 \ucd5c\uc0c1\uc704 \ucd94\uc0c1\ud074\ub798\uc2a4\uc758 initialize \ucd08\uae30\ud654 \uba54\uc11c\ub4dc\uc5d0\uc11c \uc120\uc5b8\ud574\uc8fc\uba74 \uc774\ud6c4 \ud658\uacbd\uc5d0 \ub530\ub77c \uc790\ub3d9\uc73c\ub85c \ud544\uc694\ud55c \uc778\uc2a4\ud134\uc2a4\ub97c \uc0dd\uc131\ud558\ub294 \ud074\ub798\uc2a4\ub97c \uc124\uacc4\ud560 \uc218 \uc788\ub2e4.<\/p>\n<p>Smalltalk \uc5d0\uc11c\ub294 \uba54\ud0c0\ud074\ub798\uc2a4\uac00 Singleton\uc758 \uc608\uac00 \ub41c\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Singleton \ud328\ud134\uc744 \uc544\uc8fc \ub2e8\uc21c\ud558\uac8c \uc124\uba85\ud558\uc790\uba74 \ub2e8\uc77c \ud074\ub798\uc2a4\uc5d0 \ub300\ud55c \ub2e8\uc77c \uc778\uc2a4\ud134\uc2a4\ub77c\uace0 \ud560 \uc218 \uc788\ub2e4. \ud558\uc9c0\ub9cc \uc815\ud655\ud558\uac8c \ub530\uc9c0\uc790\uba74 Singleton\uc740 &#8220;\ub2e8\uc77c \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\ud55c \ub2e8\uc77c \uc778\uc2a4\ud134\uc2a4\uc758 \uad00\ub9ac&#8221;\uac00 \ub41c\ub2e4. Singleton\uc774 \uad6c\ud604\ub41c \ud658\uacbd\uc774 \ub2e8 \ud55c\uac1c\uc758 class\ub9cc\uc774 \uc874\uc7ac\ud558\ub294\uac83\uc774 \uc544\ub2c8\ub77c \uc774 \ud074\ub798\uc2a4\ub97c \uc0c1\uc18d\ubc1b\uc740 \ud558\uc704\ud074\ub798\uc2a4\uac00 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0, \uc774 class \uad70\uc5d0\uc11c \uad00\ub9ac\ud558\ub294 \uc778\uc2a4\ud134\uc2a4\uac00 \uc624\uc9c1 \ud558\ub098\ub9cc \uc874\uc7ac\ud558\ub294\uac83\uc774 \uc774 \ud328\ud134\uc758 \ud575\uc2ec\uc774\ub77c \ud560 \uc218 \uc788\ub2e4. \uc0c1\uc704\ud074\ub798\uc2a4\uc640 \ud558\uc704\ud074\ub798\uc2a4\uac00 \uc874\uc7ac\ud558\ub294 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74],"tags":[],"_links":{"self":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/302"}],"collection":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=302"}],"version-history":[{"count":1,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/302\/revisions"}],"predecessor-version":[{"id":304,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/302\/revisions\/304"}],"wp:attachment":[{"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=302"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=302"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ta.onionmixer.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=302"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}