{"id":209,"date":"2005-03-25T01:00:00","date_gmt":"2005-03-25T00:00:00","guid":{"rendered":"http:\/\/www.andrewj.com\/blog\/index.php\/2005\/enterprise-integration-patterns\/"},"modified":"2010-06-21T09:25:53","modified_gmt":"2010-06-21T08:25:53","slug":"enterprise-integration-patterns","status":"publish","type":"post","link":"https:\/\/www.andrewj.com\/blog\/2005\/enterprise-integration-patterns\/","title":{"rendered":"Enterprise Integration Patterns"},"content":{"rendered":"<p>Integration, like other design activities, can benefit from sharing ideas and proven strategies in the form of patterns. An excellent starting point is Gregor Hohpe and Bobby Woolf&#8217;s <a href=\"http:\/\/www.enterpriseintegrationpatterns.com\/\" target=\"_blank\">Enterprise Integration Patterns<\/a> website and book.<\/p>\n<p>In my recent work I&#8217;ve discovered a few patterns of my own, and I&#8217;ve started a page to document them.<\/p>\n<p>First up is entitled <strong>&#8220;Change Indicator&#8221;<\/strong> . You may have a legacy system with an EAI adaptor, or a similar source of messages, which reports on the current state of key business objects. The messages will typically tell you <em>when<\/em> something has changed, but not necessarily <em>what<\/em> has changed, but the latter may be important to downstream systems. This pattern shows how to use EAI elements to add this information in a way which is totally transparent to the legacy system and existing users of the EAI scheme.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Integration, like other design activities, can benefit from sharing ideas and proven strategies in the form of patterns. An excellent starting point is Gregor Hohpe and Bobby Woolf&#8217;s Enterprise Integration Patterns website and book. In my recent work I&#8217;ve discovered &hellip; <a href=\"https:\/\/www.andrewj.com\/blog\/2005\/enterprise-integration-patterns\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,9,2],"tags":[],"_links":{"self":[{"href":"https:\/\/www.andrewj.com\/blog\/wp-json\/wp\/v2\/posts\/209"}],"collection":[{"href":"https:\/\/www.andrewj.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.andrewj.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.andrewj.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.andrewj.com\/blog\/wp-json\/wp\/v2\/comments?post=209"}],"version-history":[{"count":0,"href":"https:\/\/www.andrewj.com\/blog\/wp-json\/wp\/v2\/posts\/209\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.andrewj.com\/blog\/wp-json\/wp\/v2\/media?parent=209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.andrewj.com\/blog\/wp-json\/wp\/v2\/categories?post=209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.andrewj.com\/blog\/wp-json\/wp\/v2\/tags?post=209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}