/*
* RHQ Management Platform
* Copyright (C) 2005-2014 Red Hat, Inc.
* All rights reserved.
*
* 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 version 2 of the License.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
package org.rhq.enterprise.server.purge;
import static org.rhq.core.db.DatabaseTypeFactory.isOracle;
import static org.rhq.core.db.DatabaseTypeFactory.isPostgres;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.sql.DataSource;
import javax.transaction.UserTransaction;
import org.rhq.core.db.DatabaseType;
/**
* @author Thomas Segismont
*/
class CallTimeDataValuePurge extends PurgeTemplate<Integer> {
private static final String ENTITY_NAME = "CallTimeDataValue";
private static final String QUERY_SELECT_KEYS_FOR_PURGE = "" //
+ "SELECT ID FROM RHQ_CALLTIME_DATA_VALUE WHERE END_TIME < ?";
private static final String QUERY_PURGE_BY_KEY = "DELETE FROM RHQ_CALLTIME_DATA_VALUE WHERE ID = ?";
private final long deleteUpToTime;
CallTimeDataValuePurge(DataSource dataSource, UserTransaction userTransaction, long deleteUpToTime) {
super(dataSource, userTransaction);
this.deleteUpToTime = deleteUpToTime;
}
@Override
protected String getEntityName() {
return ENTITY_NAME;
}
@Override
protected String getFindRowKeysQuery(DatabaseType databaseType) {
if (isPostgres(databaseType) || isOracle(databaseType)) {
return QUERY_SELECT_KEYS_FOR_PURGE;
}
throw new UnsupportedOperationException(databaseType.getName());
}
@Override
protected void setFindRowKeysQueryParams(PreparedStatement preparedStatement) throws SQLException {
preparedStatement.setLong(1, deleteUpToTime);
}
@Override
protected Integer getKeyFromResultSet(ResultSet resultSet) throws SQLException {
return resultSet.getInt(1);
}
@Override
protected String getDeleteRowByKeyQuery(DatabaseType databaseType) {
if (isPostgres(databaseType) || isOracle(databaseType)) {
return QUERY_PURGE_BY_KEY;
}
throw new UnsupportedOperationException(databaseType.getName());
}
@Override
protected void setDeleteRowByKeyQueryParams(PreparedStatement preparedStatement, Integer key) throws SQLException {
preparedStatement.setInt(1, key);
}
}