1 | package edu.stanford.rt.datatype; |
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2 | |
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3 | /** |
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4 | * @author Ninghui Li, Sandra Qiu<br> |
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5 | * |
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6 | * Implementation of <code>Inteval</code> element. |
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7 | * |
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8 | * An IntervalValueSet represents an Interval value. It has a min value and |
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9 | * a max value. When min is null, it means that the lower side is |
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10 | * unbounded. When max is null, the upper side is unbounded. When min |
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11 | * is not null, includeMin can be true. Similarly, when max is not null, |
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12 | * includeMax can be true. |
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13 | */ |
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14 | public class IntervalValueSet extends ValueSet |
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15 | { |
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16 | private DataValue min; |
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17 | private DataValue max; |
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18 | private boolean includeMin; |
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19 | private boolean includeMax; |
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20 | |
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21 | /** |
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22 | * Constructor of IntervalValueSet. |
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23 | */ |
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24 | public IntervalValueSet( |
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25 | OrderedType type, |
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26 | DataValue min, |
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27 | DataValue max) |
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28 | { |
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29 | super(type); |
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30 | |
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31 | if(! (type instanceof OrderedType)) |
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32 | throw new IllegalArgumentException("Wrong data type"); |
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33 | if (min != null && !type.isValidValue(min)) |
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34 | throw new IllegalArgumentException("Illegal min value"); |
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35 | if (max != null && !type.isValidValue(max)) |
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36 | throw new IllegalArgumentException("Illegal max value"); |
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37 | |
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38 | this.min = min; |
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39 | this.max = max; |
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40 | if (this.min != null) |
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41 | this.includeMin = true; |
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42 | if (this.max != null) |
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43 | this.includeMax = true; |
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44 | } |
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45 | |
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46 | /** |
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47 | * Method getMin. |
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48 | * @return DataValue |
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49 | */ |
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50 | public DataValue getMin() |
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51 | { |
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52 | return min; |
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53 | } |
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54 | |
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55 | /** |
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56 | * Method getMax. |
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57 | * @return DataValue |
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58 | */ |
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59 | public DataValue getMax() |
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60 | { |
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61 | return max; |
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62 | } |
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63 | |
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64 | /** |
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65 | * Method isMinIncluded. |
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66 | * @return boolean |
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67 | */ |
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68 | public boolean isMinIncluded() |
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69 | { |
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70 | return includeMin; |
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71 | } |
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72 | |
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73 | /** |
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74 | * Method isMaxIncluded. |
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75 | * @return boolean |
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76 | */ |
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77 | public boolean isMaxIncluded() |
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78 | { |
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79 | return includeMax; |
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80 | } |
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81 | |
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82 | /* (non-Javadoc) |
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83 | * @see edu.stanford.rt.datatype.ValueSet#toString(String) |
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84 | */ |
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85 | public String toString(String indent) |
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86 | { |
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87 | String thisIndent = indent + " "; |
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88 | StringBuffer sb = new StringBuffer(); |
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89 | sb.append(thisIndent).append("IntervalValueSet: \n"); |
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90 | sb.append(thisIndent + " ").append( |
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91 | getType().toString()).append( |
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92 | "\n"); |
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93 | sb.append(thisIndent + " "); |
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94 | if (includeMin) |
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95 | sb.append(" ["); |
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96 | else |
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97 | sb.append(" ("); |
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98 | sb.append(min.toString()); |
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99 | sb.append(", "); |
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100 | sb.append(max.toString()); |
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101 | |
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102 | if (includeMax) |
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103 | sb.append("]"); |
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104 | else |
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105 | sb.append(") "); |
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106 | sb.append("\n"); |
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107 | |
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108 | return sb.toString(); |
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109 | } |
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110 | |
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111 | } |
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