package edu.harvard.i2b2.crc.loader.ejb;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import edu.harvard.i2b2.common.exception.I2B2Exception;
import edu.harvard.i2b2.crc.loader.dao.IProviderDAO;
import edu.harvard.i2b2.crc.loader.dao.IUploaderDAOFactory;
import edu.harvard.i2b2.crc.loader.dao.TempProviderInsertHandler;
import edu.harvard.i2b2.crc.datavo.pdo.ObserverType;
import edu.harvard.i2b2.crc.loader.xml.StartElementListener;
import edu.harvard.i2b2.crc.loader.xml.TypePullParser;
/**
* This program loads visit dimension xml data into visit staging table. It uses
* VisitXmlParser to fetch visit data and then loads into staging table.
*
* @author rk903
*
*/
public class ProviderXmlDbLoader implements StartElementListener {
private String stagingPidTableName = null;
private int uploadId = 0;
private String inputXmlFile = null;
private TempProviderInsertHandler providerInsertHandler = null;
private int rowCount = 0;
// log
private static Log log = LogFactory.getLog(ProviderXmlDbLoader.class);
private IUploaderDAOFactory uploaderDaoFactory = null;
/**
* Constructor accepts 3 parameter.
*
* @param inputXmlFile
* input xml file with just visit information.
* @param stagingVisitTableName
* staging visit_dimension table name
* @param uploadId
* upload id
*/
public ProviderXmlDbLoader(IUploaderDAOFactory uploaderDaoFactory,
String inputXmlFile, String stagingPidTableName, int uploadId)
throws I2B2Exception {
this.uploaderDaoFactory = uploaderDaoFactory;
this.inputXmlFile = inputXmlFile;
this.stagingPidTableName = stagingPidTableName;
this.uploadId = uploadId;
}
/**
* Start parsing and upload process.
*
* @throws I2B2Exception
*/
public void doUpload() throws I2B2Exception {
// call temp table batch inserter
IProviderDAO providerDAO = uploaderDaoFactory.getProviderDAO();
;
providerInsertHandler = providerDAO
.createTempProviderInsert(stagingPidTableName);
TypePullParser parser = new TypePullParser(this, "observer",
ObserverType.class, inputXmlFile);
parser.doParsing();
providerInsertHandler.flush();
}
public void process(Object provider) {
rowCount++;
if (rowCount % 1000 == 0) {
log.debug("Loading observer [" + rowCount + "]");
providerInsertHandler.flush();
}
providerInsertHandler.insertProvider((ObserverType) provider);
}
public int getRowCount() {
return rowCount;
}
}