/*
* 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 (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core;
import java.io.Serializable;
/**
* A parameter mapping defines an aliasing rule for incoming and outgoing sub-report parameters.
*
* @author Thomas Morgner
*/
public class ParameterMapping implements Serializable {
/**
* A serialization helper.
*/
private static final long serialVersionUID = -8790399939032695626L;
/**
* The source name of the parameter.
*/
private String name;
/**
* The target name of the parameter.
*/
private String alias;
/**
* Creates a new parameter mapping for the given parameter. The parameter will be made available using the given
* 'alias' name. If the alias is null, the name will not be changed during the mapping.
*
* @param name
* the name.
* @param alias
* the alias (can be null).
*/
public ParameterMapping( final String name, final String alias ) {
if ( name == null ) {
throw new NullPointerException();
}
this.name = name;
if ( alias == null ) {
this.alias = name;
} else {
this.alias = alias;
}
}
/**
* Returns the source parameter name.
*
* @return the source name.
*/
public String getName() {
return name;
}
/**
* Returns the alias parameter name.
*
* @return the alias name.
*/
public String getAlias() {
return alias;
}
}