code: /***************************************************************************
   *   Copyright (C) 2006-2011 by Fabrizio Montesi <famontesi@gmail.com>     *
   *                                                                         *
   *   This program is free software; you can redistribute it and/or modify  *
   *   it under the terms of the GNU Library General Public License as       *
   *   published by the Free Software Foundation; either version 2 of the    *
   *   License, or (at your option) any later version.                       *
   *                                                                         *
   *   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 Library General Public     *
   *   License along with this program; if not, write to the                 *
   *   Free Software Foundation, Inc.,                                       *
   *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
   *                                                                         *
   *   For details about the authors of this software, see the AUTHORS file. *
   ***************************************************************************/
  
  package jolie.runtime.expression;
  
  import jolie.process.TransformationReason;
  import jolie.runtime.Value;
  
  public class ProductExpression implements Expression
  {
  	private final Operand[] children;
  	
  	public ProductExpression( Operand[] children )
  	{
  		this.children = children;
  	}
  	
  	public Expression cloneExpression( TransformationReason reason )
  	{
  		Operand[] cc = new Operand[ children.length ];
  		
  		int i = 0;
  		for( Operand operand : children ) {
  			cc[i++] = new Operand( operand.type(), operand.expression().cloneExpression( reason ) );
  		}
  		return new ProductExpression( cc );
  	}
  	
  	@Override
  	public Value evaluate()
  	{
  		Value val = Value.create( children[0].expression().evaluate() );
  		for( int i = 1; i < children.length; i++ ) {
  			switch( children[i].type() ) {
  			case MULTIPLY:
  				val.multiply( children[i].expression().evaluate() );
  				break;
  			case DIVIDE:
  				val.divide( children[i].expression().evaluate() );
  				break;
  			case MODULUS:
  				val.modulo( children[i].expression().evaluate() );
  				break;
  			}
  		}
  		
  		return val;
  	}
  }
  