[8780cbec] | 1 | package edu.stanford.rt.datatype; |
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| 2 | |
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| 3 | import java.util.*; |
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| 4 | |
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| 5 | import edu.stanford.rt.credential.*; |
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| 6 | |
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| 7 | /** |
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| 8 | * @author Ninghui Li, Sandra Qiu<br> |
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| 9 | * |
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| 10 | A SetValueSet object contains a set of DataValue objects, which are |
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| 11 | instances of IntegerValue, DecimalValue, StringValue, EnumValue, |
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| 12 | or PrincipalValue. All members have the same type. |
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| 13 | */ |
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| 14 | public class SetValueSet extends ValueSet |
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| 15 | { |
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| 16 | private HashSet values; |
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| 17 | |
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| 18 | /** |
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| 19 | * Constructor for an empty SetValueSet object. |
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| 20 | */ |
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| 21 | public SetValueSet(SimpleType type) |
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| 22 | { |
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| 23 | super(type); |
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| 24 | this.values = new HashSet(); |
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| 25 | |
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| 26 | } |
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| 27 | |
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| 28 | /** |
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| 29 | * Constructor for SetValueSet. |
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| 30 | */ |
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| 31 | public SetValueSet(SimpleType type, HashSet values) |
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| 32 | throws DomainSpecException |
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| 33 | { |
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| 34 | super(type); |
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| 35 | this.values = new HashSet(); |
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| 36 | |
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| 37 | Iterator it = values.iterator(); |
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| 38 | while (it.hasNext()) |
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| 39 | { |
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| 40 | Object o = it.next(); |
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| 41 | if (o == null) |
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| 42 | continue; |
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| 43 | |
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| 44 | if (!(o instanceof IntegerValue) |
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| 45 | && !(o instanceof DecimalValue) |
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| 46 | && !(o instanceof StringValue) |
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| 47 | && !(o instanceof EnumValue) |
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| 48 | && !(o instanceof PrincipalValue)) |
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| 49 | { |
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| 50 | throw new DomainSpecException("Illegal argument type"); |
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| 51 | } |
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| 52 | |
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| 53 | this.values.add((DataValue) o); |
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| 54 | } |
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| 55 | |
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| 56 | } |
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| 57 | |
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| 58 | /** |
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| 59 | Add a data value to this set. |
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| 60 | Exception is thrown if the given value is not an instance of |
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| 61 | IntegerValue, DecimalValue, StringValue, EnumValue, or PrincipalValue. |
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| 62 | */ |
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| 63 | public synchronized void addValue(DataValue value) |
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| 64 | throws DomainSpecException |
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| 65 | { |
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| 66 | if (value != null) |
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| 67 | { |
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| 68 | if (!(value instanceof IntegerValue) |
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| 69 | || !(value instanceof DecimalValue) |
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| 70 | || !(value instanceof StringValue) |
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| 71 | || !(value instanceof EnumValue) |
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| 72 | || !(value instanceof PrincipalValue)) |
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| 73 | { |
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| 74 | throw new DomainSpecException("Illegal argument type"); |
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| 75 | } |
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| 76 | |
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| 77 | this.values.add(value); |
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| 78 | } |
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| 79 | } |
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| 80 | |
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| 81 | /** Returns an unmodifiable view of the values.*/ |
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| 82 | public Set getValues() |
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| 83 | { |
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| 84 | return Collections.unmodifiableSet(values); |
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| 85 | } |
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| 86 | |
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| 87 | /* (non-Javadoc) |
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| 88 | * @see edu.stanford.rt.datatype.ValueSet#toString(String) |
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| 89 | */ |
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| 90 | public String toString(String indent) |
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| 91 | { |
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| 92 | String thisIndent = indent + " "; |
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| 93 | StringBuffer sb = new StringBuffer(); |
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| 94 | sb.append(thisIndent).append("SetValueSet: \n"); |
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| 95 | sb.append(thisIndent + " ").append( |
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| 96 | getType().toString()).append( |
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| 97 | "\n"); |
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| 98 | Iterator it = values.iterator(); |
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| 99 | while (it.hasNext()) |
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| 100 | { |
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| 101 | DataValue value = (DataValue) it.next(); |
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| 102 | sb.append(thisIndent + " ").append( |
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| 103 | value.toString()).append( |
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| 104 | "\n"); |
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| 105 | } |
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| 106 | |
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| 107 | return sb.toString(); |
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| 108 | } |
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| 109 | |
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| 110 | } |
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