/*
* eGov suite of products aim to improve the internal efficiency,transparency,
* accountability and the service delivery of the government organizations.
*
* Copyright (C) <2015> eGovernments Foundation
*
* The updated version of eGov suite of products as by eGovernments Foundation
* is available at http://www.egovernments.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/ or
* http://www.gnu.org/licenses/gpl.html .
*
* In addition to the terms of the GPL license to be adhered to in using this
* program, the following additional terms are to be complied with:
*
* 1) All versions of this program, verbatim or modified must carry this
* Legal Notice.
*
* 2) Any misrepresentation of the origin of the material is prohibited. It
* is required that all modified versions of this material be marked in
* reasonable ways as different from the original version.
*
* 3) This license does not grant any rights to any user of the program
* with regards to rights under trademark law for use of the trade names
* or trademarks of eGovernments Foundation.
*
* In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org.
*/
package com.exilant.exility.updateservice;
import com.exilant.exility.common.DataCollection;
import com.exilant.exility.common.TaskFailedException;
import org.apache.log4j.Logger;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Statement;
/**
* @author raghu.bhandi, Exilant Consulting
*
* Executes a SQL statement and extracs the results into a dataCollection This is a singleton
*/
public class DataUpdater {
private static final Logger LOGGER = Logger.getLogger(DataUpdater.class);
private static DataUpdater singletonInstance;
public static DataUpdater getUpdater() {
if (singletonInstance == null)
singletonInstance = new DataUpdater();
return singletonInstance;
}
private DataUpdater() {
super();
}
public int update(final String sql, final Connection con, final DataCollection dc,
final boolean errorOnNoUpdate) throws TaskFailedException {
if (sql == null || sql.length() == 0)
return 0;
// temp code to test when database is not available
int i = dc.getInt("sqlCount");
i++;
dc.addValue("sqlCount", i);
/*
* commented in egf dc.addValue("sql" + i, sql);
*/
if (null == con)
return 0;
// end of temp patch. You should remove this patch when going to
// production
int noOfRowsEffected = 0;
try {
final Statement statement = con.createStatement();
final PreparedStatement pstmt = con.prepareStatement(sql);
noOfRowsEffected = pstmt.executeUpdate();
if (LOGGER.isDebugEnabled())
LOGGER.debug("SSSSSSSS>>>>>>>>>>>>>>>>>>>>>>>>" + sql);
if (noOfRowsEffected == 0 && errorOnNoUpdate)
throw new TaskFailedException();
else
dc.addMessage("masterInsertUpdate");
statement.close();
} catch (final SQLException e) {
LOGGER.error("err Message " + e.getErrorCode(), e);
if (e.getErrorCode() == 1)
dc.addMessage("exilDuplicate");
else
dc.addMessage("exilSQLException", e.getMessage());
throw new TaskFailedException();
}
return noOfRowsEffected;
}
}