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[Grails] 起動時・終了時になにか処理をしたい場合

Last updated at Posted at 2013-10-23

Grailsの起動時や終了時になにか処理を挟みたい場合、BootStrap.groovy の中にその処理を記述します。

  • Environment.executeForCurrentEnvironment
  • environments

上記のどちらかを利用することで、起動モードで処理を切り分けられます。
それぞれ開始時と終了時で使ってみた場合のサンプルです。

grails-app/conf/BootStrap.groovy
import grails.util.Environment
import grailssamples.Person

class BootStrap {

    // Grails開始時に実行される
    def init = { servletContext ->
        Environment.executeForCurrentEnvironment {
            development {
                println "dev!"
            }
            test {
                println "test!"
            }
            production{
                println "production!"
            }
        }
    }

    // Grails終了時に実行される
    def destroy = {
        environments {
            development {
                println "dev end!"
            }
            test {
                println "test end!"
            }
            production{
                println "production end!"
            }
        }
    }
}

それぞれの起動方法は

grails dev run-app
grails test run-app
grails prod run-app

実行結果は以下のような感じ。

grails> run-app
| Running Grails application
Okt 24, 2013 10:00:23 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Okt 24, 2013 10:00:23 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Tomcat
Okt 24, 2013 10:00:23 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.39
Okt 24, 2013 10:00:23 AM org.apache.catalina.startup.ContextConfig getDefaultWebXmlFragment
INFO: No global web.xml found
Okt 24, 2013 10:00:23 AM org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
dev!
| Server running. Browse to http://localhost:8080/grailssamples
| Application loaded in interactive mode. Type 'stop-app' to shutdown.
| Enter a script name to run. Use TAB for completion:
grails>
grails> stop-app
| Stopping Grails server
dev end!
grails>

devの場合は grails run-app のように省略できます。
importすればドメインクラスも問題なく利用できます。
主に、開発時点でのテストデータの挿入などに利用できそうです。

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