| // 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 com.cloud.servlet; |
| |
| import java.util.Timer; |
| import java.util.TimerTask; |
| |
| import javax.servlet.ServletConfig; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| |
| import org.springframework.web.context.support.SpringBeanAutowiringSupport; |
| |
| import com.cloud.utils.LogUtils; |
| import com.cloud.utils.SerialVersionUID; |
| import com.cloud.utils.component.ComponentContext; |
| import com.cloud.utils.db.TransactionLegacy; |
| |
| public class CloudStartupServlet extends HttpServlet { |
| static final long serialVersionUID = SerialVersionUID.CloudStartupServlet; |
| |
| Timer _timer = new Timer(); |
| |
| @Override |
| public void init(ServletConfig config) throws ServletException { |
| LogUtils.initLog4j("log4j-cloud.xml"); |
| SpringBeanAutowiringSupport.processInjectionBasedOnServletContext(this, config.getServletContext()); |
| |
| // wait when condition is ready for initialization |
| _timer.scheduleAtFixedRate(new TimerTask() { |
| @Override |
| public void run() { |
| if (ComponentContext.getApplicationContext() != null) { |
| _timer.cancel(); |
| |
| TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.CLOUD_DB); |
| try { |
| ComponentContext.initComponentsLifeCycle(); |
| } finally { |
| txn.close(); |
| } |
| } |
| } |
| }, 0, 1000); |
| } |
| } |