Source for org.jfree.formula.function.information.IsEvenFunctionDescription

   1: /**
   2:  * =========================================
   3:  * LibFormula : a free Java formula library
   4:  * =========================================
   5:  *
   6:  * Project Info:  http://reporting.pentaho.org/libformula/
   7:  *
   8:  * (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
   9:  *
  10:  * This library is free software; you can redistribute it and/or modify it under the terms
  11:  * of the GNU Lesser General Public License as published by the Free Software Foundation;
  12:  * either version 2.1 of the License, or (at your option) any later version.
  13:  *
  14:  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  15:  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  16:  * See the GNU Lesser General Public License for more details.
  17:  *
  18:  * You should have received a copy of the GNU Lesser General Public License along with this
  19:  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  20:  * Boston, MA 02111-1307, USA.
  21:  *
  22:  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
  23:  * in the United States and other countries.]
  24:  *
  25:  *
  26:  * ------------
  27:  * $Id: IsEvenFunctionDescription.java,v 1.1 2007/05/07 23:00:37 mimil Exp $
  28:  * ------------
  29:  * (C) Copyright 2006-2007, by Pentaho Corporation.
  30:  */
  31: package org.jfree.formula.function.information;
  32: 
  33: import org.jfree.formula.function.AbstractFunctionDescription;
  34: import org.jfree.formula.function.FunctionCategory;
  35: import org.jfree.formula.typing.Type;
  36: import org.jfree.formula.typing.coretypes.AnyType;
  37: import org.jfree.formula.typing.coretypes.LogicalType;
  38: 
  39: /**
  40:  * Describes IsEvenFunction function.
  41:  * @see IsEvenFunction
  42:  *
  43:  * @author Cedric Pronzato
  44:  *
  45:  */
  46: public class IsEvenFunctionDescription extends AbstractFunctionDescription
  47: {
  48: 
  49:   public IsEvenFunctionDescription()
  50:   {
  51:     super("org.jfree.formula.function.information.IsEven-Function");
  52:   }
  53: 
  54:   public FunctionCategory getCategory()
  55:   {
  56:     return InformationFunctionCategory.CATEGORY;
  57:   }
  58: 
  59:   public int getParameterCount()
  60:   {
  61:     return 1;
  62:   }
  63: 
  64:   public Type getParameterType(int position)
  65:   {
  66:     return AnyType.TYPE;
  67:   }
  68: 
  69:   public Type getValueType()
  70:   {
  71:     return LogicalType.TYPE;
  72:   }
  73: 
  74:   public boolean isParameterMandatory(int position)
  75:   {
  76:     return true;
  77:   }
  78: 
  79: }