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package eu.dnetlib.data.mapreduce.hbase.statsExport.drivers;
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import eu.dnetlib.data.mapreduce.hbase.statsExport.daos.*;
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import org.apache.log4j.Logger;
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public class DBDriver {
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private Logger log = Logger.getLogger(this.getClass());
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private StatsDAO statsDao;
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/**
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* Prepares shadow schema in the database that will be used to import data
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*
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* @throws Exception
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*/
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public DBDriver(String dbUrl, String dbUser, String dbPassword, String dbDriver) {
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statsDao = new StatsDAO(dbUrl, dbUser, dbPassword, dbDriver);
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}
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public void prepareDB(String user) throws Exception {
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try {
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statsDao.setSearchPathDB(user);
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statsDao.createSchema();
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} catch (Exception e) {
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log.error("Error Preparing Schema for DB import. ", e);
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throw new Exception("Error Preparing Schema for DB import.", e);
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}
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}
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public void finalizedDB() throws Exception {
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try {
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statsDao.cleanTables();
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statsDao.addArrayColumns();
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statsDao.buildIndexes();
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statsDao.buildViews();
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statsDao.executeExtraInserts();
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statsDao.createCharts();
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statsDao.insertCountries();
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statsDao.backwardsCompatibility();
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statsDao.createChartIndexes();
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} catch (Exception e) {
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log.error("Error while finalizing SQL DB", e);
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throw new Exception("Error while finalizing SQL DB", e);
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}
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}
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public void renameSchema() throws Exception {
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try {
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statsDao.renameSchema();
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} catch (Exception e) {
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log.error("Error while renaming database schema", e);
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throw new Exception("Error while renaming database schema", e);
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}
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}
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public StatsDAO getStatsDao() {
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return statsDao;
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}
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public void setStatsDao(StatsDAO statsDao) {
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this.statsDao = statsDao;
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}
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}
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