Source for org.jfree.formula.typing.coretypes.DateTimeType

   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: DateTimeType.java 3522 2007-10-16 10:56:57Z tmorgner $
  28:  * ------------
  29:  * (C) Copyright 2006-2007, by Pentaho Corporation.
  30:  */
  31: package org.jfree.formula.typing.coretypes;
  32: 
  33: import org.jfree.formula.typing.DefaultType;
  34: import org.jfree.formula.typing.Type;
  35: 
  36: /**
  37:  * This class regroups all related Types to date and time values.
  38:  * 
  39:  * @author Cedric Pronzato
  40:  */
  41: public class DateTimeType extends DefaultType
  42: {
  43:   /**
  44:    * This Type represents an instant in time described by a date and a time of
  45:    * day.
  46:    */
  47:   public static final DateTimeType DATETIME_TYPE;
  48: 
  49:   /**
  50:    * This Type represents an instant in time described by a date only.
  51:    */
  52:   public static final DateTimeType DATE_TYPE;
  53: 
  54:   /**
  55:    * This Type represents an instant in time described by a time of day only.
  56:    */
  57:   public static final DateTimeType TIME_TYPE;
  58: 
  59:   static
  60:   {
  61:     DATE_TYPE = new DateTimeType();
  62:     DATE_TYPE.addFlag(Type.DATE_TYPE);
  63:     DATE_TYPE.lock();
  64: 
  65:     TIME_TYPE = new DateTimeType();
  66:     TIME_TYPE.addFlag(Type.TIME_TYPE);
  67:     TIME_TYPE.lock();
  68: 
  69:     DATETIME_TYPE = new DateTimeType();
  70:     DATETIME_TYPE.addFlag(Type.DATETIME_TYPE);
  71:     DATETIME_TYPE.lock();
  72:   }
  73: 
  74:   protected DateTimeType()
  75:   {
  76:     addFlag(Type.NUMERIC_TYPE);
  77:     addFlag(Type.SCALAR_TYPE);
  78:   }
  79: }