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1   package com.sri.emo.wizard.completion;
2   
3   import com.sri.emo.wizard.defaults.EmoWizardMetadata;
4   
5   
6   /***
7    * Page Metadata base class that supports min/max settings.
8    *
9    * @author Michael Rimov
10   */
11  public class MinMaxPageMetadata extends EmoWizardMetadata {
12  
13      /***
14  	 * 
15  	 */
16  	private static final long serialVersionUID = 1L;
17  
18  
19  	/***
20       * Default constructor.
21       */
22      public MinMaxPageMetadata() {
23          super();
24      }
25  
26      /***
27       * Maximum entries allwoed.
28       */
29      protected Integer maxEntries = null;
30  
31      /***
32       * Minimum entries.
33       */
34      protected Integer minEntries = null;
35  
36  
37      /***
38       * Retrieve the maximum number of entries for the given page.
39       *
40       * @return Integer
41       */
42      public Integer getMaxEntries() {
43          return maxEntries;
44      }
45  
46      /***
47       * Sets the maximum number of entries for a given page.
48       *
49       * @param maxEntries Integer
50       */
51      public void setMaxEntries(Integer maxEntries) {
52          assert maxEntries != null;
53          this.maxEntries = maxEntries;
54          if (this.minEntries != null && minEntries.intValue() > maxEntries.intValue()) {
55              throw new IllegalArgumentException(
56                      "The Minimum (" + minEntries.intValue() + ") cannot be greater than the Maximum: (" + maxEntries.intValue() + ")");
57          }
58      }
59  
60      /***
61       * Retrieve the minimum entries for the page.
62       *
63       * @return Integer
64       */
65      public Integer getMinEntries() {
66          return minEntries;
67      }
68  
69      /***
70       * Sets the minimum number of entries for the page.
71       *
72       * @param minEntries Integer
73       */
74      public void setMinEntries(Integer minEntries) {
75          assert minEntries != null;
76  
77          this.minEntries = minEntries;
78          if (this.maxEntries != null && minEntries.intValue() > maxEntries.intValue()) {
79              throw new IllegalArgumentException(
80                      "The Minimum (" + minEntries.intValue() + ") cannot be greater than the Maximum: (" + maxEntries.intValue() + ")");
81          }
82      }
83  
84      /***
85       * Set to true if the page has text entry.  (Which is always the case
86       * for this type of page)
87       */
88      public boolean isHasEntry() {
89          return true;
90      }
91  
92  }