kettle 3：java调用job

/**
	 * 调用本地job
	 * 
	 * @param jobFileName
	 *            job文件路径
	 * @throws KettleException
	 */
	public void callNativeJob(String jobFileName) throws KettleException {

		// 初始化
		EnvUtil.environmentInit();
		JobEntryLoader.init();
		StepLoader.init();

		// 日志
		LogWriter log = LogWriter.getInstance("TransTest.log", true,
				LogWriter.LOG_LEVEL_DETAILED);

		// job元对象
		JobMeta jobMeta = new JobMeta(log, jobFileName, null);

		// job
		Job job = new Job(log, StepLoader.getInstance(), null, jobMeta);

		jobMeta.setInternalKettleVariables(job);

		// 执行job
		job.execute();

		// 等待job执行结束
		job.waitUntilFinished();
	}

/**
	 * 调用资源库中的job
	 * 
	 * @throws KettleException
	 */
	public void executeJobs() throws KettleException {
		// 初始化
		EnvUtil.environmentInit();
		JobEntryLoader.init();
		StepLoader.init();

		// 日志
		LogWriter log = LogWriter.getInstance("TransTest.log", true,
				LogWriter.LOG_LEVEL_DETAILED);

		// 用户
		UserInfo userInfo = new UserInfo();
		userInfo.setLogin("admin");
		userInfo.setPassword("admin");

		// 数据库连接元对象
		DatabaseMeta connection = new DatabaseMeta("merit113", "Oracle",
				"Native", "localhost", "merit113", "1521", "kettle", "merit");

		// 资源库元对象
		RepositoryMeta repinfo = new RepositoryMeta();
		repinfo.setConnection(connection);

		// 资源库
		Repository rep = new Repository(log, repinfo, userInfo);

		// 连接资源库
		rep.connect("");

		// 资源库目录对象
		RepositoryDirectory dir = new RepositoryDirectory(rep);

		// 步骤加载对象
		StepLoader steploader = StepLoader.getInstance();

		// job元对象
		JobMeta jobmeta = new JobMeta(log, rep, "job1", dir);

		// job
		Job job = new Job(log, steploader, rep, jobmeta);

		// 执行job
		job.execute();

		// 等待job执行结束
		job.waitUntilFinished();

	}