DBTest{
    prepareDB = {
        dbImgName="ibmcom/db2express-c:latest"
        this.docker.image(dbImgName).pull()
        dbContainerId = sh returnStdout:true, script:"docker run -d ${dbImgName} /init_db.sh"
        return dbContainerId 
    }
}

def call(body) {
	// evaluate the body block, and collect configuration into the object
	def config = [:]
	body.resolveStrategy = Closure.DELEGATE_FIRST
	body.delegate = config	
	body()
	
	properties([buildDiscarder(logRotator(artifactDaysToKeepStr: '', artifactNumToKeepStr: '', daysToKeepStr: '14', numToKeepStr: '14')), pipelineTriggers([cron('H H * * *')])])
	node("docker"){
		wrap([$class: 'TimestamperBuildWrapper']) {
			dbDockerId=null
			testImg=null
			testImgName=(config.testImgName == null || config.testImgName.isAllWhitespace())?"internal/jalios-ant-builder:dev":config.testImgName	
			options=["JCMS=JCMS"]
			
			try{
				stage("prepare DB"){
					dbDockerId = prepareDB(config, body)
				}
			 }
			catch(Exception e){
			  failBuild("Cannot execute DB test ",e, currentBuild)
			}
		}
	}
}

def prepareDB(config, body){	
	if(config.prepareDB){
		config.prepareDB.delegate = body.owner
		return config.prepareDB.call(steps)
	}
	else{
		throw new IllegalStateException("no prepareDB closure are available !!")
	}
}