FloatDataType


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.Float}, as NumberDataType, but provides getMin and getMax as float.
14   *
15   * @author Pierre van Rooden
16   * @version $Id: FloatDataType.java,v 1.8 2006/04/29 19:41:09 michiel Exp $
17   * @since MMBase-1.8
18   */
19  public class FloatDataType extends NumberDataType {
20  
21      private static final long serialVersionUID = 1L; // increase this if object serialization changes (which we shouldn't do!)
22      /**
23       * @param primitive indicate if a primitive type should be used
24       */
25      public FloatDataType(String   name, boolean primitive) { 
26          super(name, primitive ? Float.TYPE : Float  .class);
27          setMin(new Float  (Float.NEGATIVE_INFINITY), false);
28          setMax(new Float  (Float.POSITIVE_INFINITY), false);
29      }
30  
31  
32      /**
33       * @return the minimum value as a <code>float</code>, or {@link Float#NEGATIVE_INFINITY} if there is no minimum.
34       */
35      public float getMin() {
36          Number   min = (Number  ) getMinRestriction().getValue();
37          return min == null ? Float.NEGATIVE_INFINITY : min.floatValue();
38      }
39  
40      /**
41       * @return the maximum value as a <code>float</code>, or {@link Float#POSITIVE_INFINITY} if there is no maximum.
42       */
43      public float getMax() {
44          Number   max = (Number  ) getMaxRestriction().getValue();
45          return max == null ? Float.POSITIVE_INFINITY : max.floatValue();
46      }
47  }
48
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