/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright 2006 - 2009 Pentaho Corporation. All rights reserved.
*
*
* Created Dec 27, 2006
* @author mdamour
*/
package org.pentaho.platform.plugin.services.connections.hql;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.type.Type;
import org.pentaho.commons.connection.AbstractPentahoMetaData;
/**
* @author mdamour
*
* TODO To change the template for this generated type comment go to Window -
* Preferences - Java - Code Style - Code Templates
*/
public class HQLMetaData extends AbstractPentahoMetaData {
private Object[][] columnHeaders;
protected static final Log logger = LogFactory.getLog(HQLMetaData.class);
private HQLResultSet resultSet;
private String columnNames[];
// private Type columnTypes[];
public HQLMetaData(final List data, final HQLResultSet resultSet, final String[] columnNames,
final Type colummTypes[]) {
this.resultSet = resultSet;
this.columnNames = columnNames;
// this.columnTypes = colummTypes;
getColumnHeaders();
}
/*
* (non-Javadoc)
*
* @see org.pentaho.connection.IPentahoMetaData#getColumnHeaders()
*
* In the case of HQL data there is only 1 row
*/
@Override
public Object[][] getColumnHeaders() {
if (columnHeaders == null) {
try {
int rowCount = 1;
int columnCount = resultSet.getColumnCount();
Object[][] result = new Object[rowCount][columnCount];
for (int column = 0; column < columnCount; column++) {
try {
result[0][column] = columnNames[column];
} catch (Exception e) {
}
}
this.columnHeaders = result;
} catch (Exception e) {
HQLMetaData.logger.error(null, e);
}
}
return columnHeaders;
}
@Override
public int getColumnCount() {
try {
return resultSet.getColumnCount();
} catch (Exception ex) {
HQLMetaData.logger.error(null, ex);
}
// TODO: Ripple the exception out of this package
return -1;
}
@Override
public Object[][] getRowHeaders() {
return null;
}
}