/**
* ========================================
* JFreeReport : a free Java report library
* ========================================
*
* Project Info: http://reporting.pentaho.org/
*
* (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: ImportedVariablesDataRow.java 6659 2008-12-02 15:35:06Z tmorgner $
* ------------
* (C) Copyright 2000-2005, by Object Refinery Limited.
* (C) Copyright 2005-2007, by Pentaho Corporation.
*/
package org.jfree.report.data;
import org.jfree.report.DataRow;
import org.jfree.report.DataSourceException;
import org.jfree.report.flow.ParameterMapping;
/**
* Creation-Date: 06.03.2006, 18:15:06
*
* @author Thomas Morgner
*/
public class ImportedVariablesDataRow extends StaticDataRow
{
private String[] outerNames;
private String[] innerNames;
public ImportedVariablesDataRow(final GlobalMasterRow innerRow)
throws DataSourceException
{
final DataRow globalView = innerRow.getGlobalView();
final int cols = globalView.getColumnCount();
this.outerNames = new String[cols];
this.innerNames = outerNames;
final Object[] values = new Object[outerNames.length];
for (int i = 0; i < outerNames.length; i++)
{
outerNames[i] = globalView.getColumnName(i);
values[i] = globalView.get(i);
}
setData(outerNames, values);
}
/**
* Maps the inner-row into the outer data row. The parameter mapping's name
* represents the *outer* name and the innernames.
*
* @param innerRow
* @param parameterMappings
* @throws DataSourceException
*/
public ImportedVariablesDataRow(final GlobalMasterRow innerRow,
final ParameterMapping[] parameterMappings)
throws DataSourceException
{
this.outerNames = new String[parameterMappings.length];
this.innerNames = new String[parameterMappings.length];
final Object[] values = new Object[parameterMappings.length];
final DataRow globalView = innerRow.getGlobalView();
for (int i = 0; i < parameterMappings.length; i++)
{
final ParameterMapping mapping = parameterMappings[i];
String name = mapping.getAlias();
values[i] = globalView.get(name);
innerNames[i] = name;
outerNames[i] = mapping.getName();
}
setData(outerNames, values);
}
protected ImportedVariablesDataRow(final ImportedVariablesDataRow dataRow)
{
super(dataRow);
outerNames = dataRow.outerNames;
innerNames = dataRow.innerNames;
}
public ImportedVariablesDataRow advance (final GlobalMasterRow innerRow)
throws DataSourceException
{
final DataRow globalView = innerRow.getGlobalView();
final Object[] values = new Object[outerNames.length];
for (int i = 0; i < innerNames.length; i++)
{
String name = innerNames[i];
values[i] = globalView.get(name);
}
ImportedVariablesDataRow idr = new ImportedVariablesDataRow(this);
idr.setData(outerNames, values);
return idr;
}
}