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/*-
* ============LICENSE_START=======================================================
* VID
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.onap.vid.dao;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import java.sql.*;
public class FnAppDoaImpl {
/** The logger. */
static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(FnAppDoaImpl.class);
public int getProfileCount(String driver, String URL, String username, String password) {
Connection dbc = null;
PreparedStatement pst = null;
ResultSet rs = null;
String q = null;
int count = 0;
try {
dbc = getConnection(URL,username,password);
logger.debug(EELFLoggerDelegate.debugLogger, "getConnection:::"+ dbc);
q = "select count(*) from fn_app";
pst = dbc.prepareStatement(q);
rs = pst.executeQuery();
if (rs.next())
count = rs.getInt(1);
} catch(Exception ex) {
logger.error(EELFLoggerDelegate.errorLogger, "Failed to perform health check", ex);
} finally {
cleanup(rs,pst,dbc);
}
logger.debug(EELFLoggerDelegate.debugLogger, "count:::"+ count);
return count;
}
public static Connection getConnection(String url, String username, String password) throws SQLException {
java.sql.Connection con=null;
if( url!=null && username!=null && password!=null ){
con = DriverManager.getConnection(url, username, password);
}
logger.info("Connection Successful");
return con;
}
public static void cleanup(ResultSet rs, PreparedStatement st, Connection c) {
if (rs != null) {
closeResultSet(rs);
}
if (st != null) {
closePreparedStatement(st);
}
if (c != null) {
rollbackAndCloseConnection(c);
}
}
private static void rollbackAndCloseConnection(Connection c) {
try {
c.rollback();
} catch (Exception e) {
if (logger != null)
logger.error("Error when trying to rollback connection", e);
}
try {
c.close();
} catch (Exception e) {
if (logger != null)
logger.error("Error when trying to close connection", e);
}
}
private static void closePreparedStatement(PreparedStatement st) {
try {
st.close();
} catch (Exception e) {
if (logger != null)
logger.error("Error when trying to close statement", e);
}
}
private static void closeResultSet(ResultSet rs) {
try {
rs.close();
} catch (Exception e) {
if (logger != null)
logger.error("Error when trying to close result set", e);
}
}
}
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