DoubleDataType


1   /*
2   
3   This software is OSI Certified Open Source Software.
4   OSI Certified is a certification mark of the Open Source Initiative.
5   
6   The license (Mozilla version 1.0) can be read at the MMBase site.
7   See http://www.MMBase.org/license
8   
9   */
10  package org.mmbase.datatypes;
11  
12  /**
13   * DataType associated with {@link java.lang.Double}, as NumberDataType, but provides getMin and getMax as double.
14   *
15   * @author Pierre van Rooden
16   * @author Michiel Meeuwissen
17   * @version $Id: DoubleDataType.java,v 1.7 2006/04/29 19:41:09 michiel Exp $
18   * @since MMBase-1.8
19   */
20  
21  public class DoubleDataType extends NumberDataType {
22  
23      private static final long serialVersionUID = 1L; // increase this if object serialization changes (which we shouldn't do!)
24      /**
25       * @param primitive indicate if a primitive type should be used
26       */
27      public DoubleDataType(String   name, boolean primitive) {
28          super(name, primitive ? Double.TYPE : Double  .class);
29          setMin(new Double  (Double.NEGATIVE_INFINITY), false);
30          setMax(new Double  (Double.POSITIVE_INFINITY), false);
31      }
32  
33      /**
34       * @return the minimum value as a <code>double</code>, or {@link Double#NEGATIVE_INFINITY} if there is no minimum.
35       */
36      public double getMin() {
37          Number   min = (Number  ) getMinRestriction().getValue();
38          return min == null ? Double.NEGATIVE_INFINITY : min.doubleValue();
39      }
40  
41      /**
42       * @return the maximum value as a <code>double</code>, or {@link Double#POSITIVE_INFINITY} if there is no maximum.
43       */
44      public double getMax() {
45          Number   max = (Number  ) getMaxRestriction().getValue();
46          return max == null ? Double.POSITIVE_INFINITY : max.doubleValue();
47      }
48  
49  }
50
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags