/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.kylin.rest.init;
import org.apache.commons.lang.StringUtils;
import org.apache.kylin.common.KylinConfig;
import org.apache.kylin.rest.metrics.QueryMetricsFacade;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
/**
* Created by dongli on 3/16/16.
*/
public class InitialTaskManager implements InitializingBean {
private static final Logger logger = LoggerFactory.getLogger(InitialTaskManager.class);
@Override
public void afterPropertiesSet() throws Exception {
logger.info("Kylin service is starting.....");
runInitialTasks();
}
private void runInitialTasks() {
// init metrics system for kylin
QueryMetricsFacade.init();
KylinConfig kylinConfig = KylinConfig.getInstanceFromEnv();
String initTasks = kylinConfig.getInitTasks();
if (!StringUtils.isEmpty(initTasks)) {
String[] taskClasses = initTasks.split(",");
for (String taskClass : taskClasses) {
try {
InitialTask task = (InitialTask) Class.forName(taskClass).newInstance();
logger.info("Running task: " + taskClass);
task.execute();
} catch (Throwable e) {
logger.error("Initial task failed: " + taskClass, e);
}
}
logger.info("All initial tasks finished.");
}
}
}