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package eu.etaxonomy.cdm.api.application;
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import org.apache.log4j.Logger;
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import org.hibernate.SessionFactory;
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import org.hsqldb.Server;
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import org.springframework.context.support.ClassPathXmlApplicationContext;
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import eu.etaxonomy.cdm.api.service.IAgentService;
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import eu.etaxonomy.cdm.api.service.IDatabaseService;
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import eu.etaxonomy.cdm.api.service.INameService;
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import eu.etaxonomy.cdm.database.CdmDataSource;
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/**
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* @author a.mueller
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*
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*/
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public class CdmApplicationController {
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private static final Logger logger = Logger.getLogger(CdmApplicationController.class);
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static final String APP_CONTEXT_FILE_NAME = "applicationContext.xml";
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private ClassPathXmlApplicationContext applicationContext;
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private INameService nameService;
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private IAgentService agentService;
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private IDatabaseService databaseService;
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private Server hsqldbServer;
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/**
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* Constructor, opens an spring 2.5 ApplicationContext by using the default data source
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* @param dataSource
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*/
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public CdmApplicationController() {
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//logger.info("Start HSQLDB Server");
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//startHsqldbServer();
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//TODO find out if DataSource is localHsqldb,
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//if yes then find out if Server is running
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//if not running, start server
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logger.info("Start CdmApplicationController with default data source");
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CdmDataSource dataSource = CdmDataSource.getDefaultDataSource();
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dataSource.updateSessionFactory();
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String appContextFileName = APP_CONTEXT_FILE_NAME;
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setApplicationContext(new ClassPathXmlApplicationContext(appContextFileName));
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}
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/**
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* Constructor, opens an spring 2.5 ApplicationContext by using the according data source
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* @param dataSource
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*/
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public CdmApplicationController(CdmDataSource dataSource) {
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logger.info("Start CdmApplicationController with datasource: " + dataSource);
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dataSource.updateSessionFactory();
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String appContextFileName = APP_CONTEXT_FILE_NAME;
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setApplicationContext(new ClassPathXmlApplicationContext(appContextFileName));
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}
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/**
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* Sets a new application Context.
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* @param appCtx
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*/
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public void setApplicationContext(ClassPathXmlApplicationContext appCtx){
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applicationContext = appCtx;
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applicationContext.registerShutdownHook();
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setServices();
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}
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/* (non-Javadoc)
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* @see java.lang.Object#finalize()
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*/
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public void finalize(){
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close();
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}
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/**
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* closes the application
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*/
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public void close(){
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if (applicationContext != null)
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logger.info("Close ApplicationContext");
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applicationContext.close();
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}
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private void setServices(){
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//TODO ? also possible via SPRING?
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nameService = (INameService)applicationContext.getBean("nameServiceImpl");
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agentService = (IAgentService)applicationContext.getBean("agentServiceImpl");
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databaseService = (IDatabaseService)applicationContext.getBean("databaseServiceHibernateImpl");
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}
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/* ****** Services *********/
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public final INameService getNameService(){
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return this.nameService;
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}
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public final IAgentService getAgentService(){
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return this.agentService;
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}
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public final IDatabaseService getDatabaseService(){
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return this.databaseService;
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}
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/* **** flush ***********/
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public void flush() {
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SessionFactory sf = (SessionFactory)applicationContext.getBean("sessionFactory");
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sf.getCurrentSession().flush();
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}
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}
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