1 | package geniusweb.issuevalue;
|
---|
2 |
|
---|
3 | import java.math.BigDecimal;
|
---|
4 | import java.math.BigInteger;
|
---|
5 | import java.util.Iterator;
|
---|
6 |
|
---|
7 | import org.eclipse.jdt.annotation.NonNull;
|
---|
8 |
|
---|
9 | import com.fasterxml.jackson.annotation.JsonAutoDetect;
|
---|
10 | import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
|
---|
11 | import com.fasterxml.jackson.annotation.JsonCreator;
|
---|
12 | import com.fasterxml.jackson.annotation.JsonProperty;
|
---|
13 | import com.fasterxml.jackson.databind.JsonDeserializer;
|
---|
14 | import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
|
---|
15 |
|
---|
16 | import tudelft.utilities.immutablelist.Range;
|
---|
17 |
|
---|
18 | /**
|
---|
19 | * Internal iterator for NumberValues
|
---|
20 | */
|
---|
21 | class NumberValueIterator implements Iterator<Value> {
|
---|
22 | private final @NonNull Iterator<BigDecimal> it;
|
---|
23 |
|
---|
24 | @SuppressWarnings("null")
|
---|
25 | public NumberValueIterator(@NonNull Range range) {
|
---|
26 | it = range.iterator();
|
---|
27 | }
|
---|
28 |
|
---|
29 | @Override
|
---|
30 | public boolean hasNext() {
|
---|
31 | return it.hasNext();
|
---|
32 | }
|
---|
33 |
|
---|
34 | @Override
|
---|
35 | public @NonNull NumberValue next() {
|
---|
36 | return new NumberValue(it.next());
|
---|
37 | }
|
---|
38 | }
|
---|
39 |
|
---|
40 | /**
|
---|
41 | * number range from low to high with given step size
|
---|
42 | */
|
---|
43 | // disable the inherited deserializer to prevent getting into infinite loop...
|
---|
44 | @JsonDeserialize(using = JsonDeserializer.None.class)
|
---|
45 | @JsonAutoDetect(fieldVisibility = Visibility.ANY, getterVisibility = Visibility.NONE, setterVisibility = Visibility.NONE)
|
---|
46 | public class NumberValueSet implements ValueSet {
|
---|
47 |
|
---|
48 | private final @NonNull Range range;
|
---|
49 |
|
---|
50 | @SuppressWarnings("unused")
|
---|
51 | @JsonCreator
|
---|
52 | public NumberValueSet(@JsonProperty("range") @NonNull Range range) {
|
---|
53 | if (range == null)
|
---|
54 | throw new NullPointerException("Range must not be null");
|
---|
55 | this.range = range;
|
---|
56 | }
|
---|
57 |
|
---|
58 | /**
|
---|
59 | * number range from low to high with given step size
|
---|
60 | *
|
---|
61 | * @param low the lowest value in the list. Must be ≤ high
|
---|
62 | * @param high the highest value in the list
|
---|
63 | * @param stepsize the step size. Must be > 0
|
---|
64 | */
|
---|
65 | public NumberValueSet(@NonNull BigDecimal low, @NonNull BigDecimal high,
|
---|
66 | @NonNull BigDecimal stepsize) {
|
---|
67 | if (low == null || high == null || stepsize == null)
|
---|
68 | throw new NullPointerException(
|
---|
69 | "low, high and stepsize must be not null");
|
---|
70 | if (stepsize.compareTo(BigDecimal.ZERO) <= 0) {
|
---|
71 | throw new IllegalArgumentException(
|
---|
72 | "stepsize must be >0 but is " + stepsize);
|
---|
73 | }
|
---|
74 | if (low.compareTo(high) > 0) {
|
---|
75 | throw new IllegalArgumentException("low must be <= high");
|
---|
76 | }
|
---|
77 | range = new Range(low, high, stepsize);
|
---|
78 | }
|
---|
79 |
|
---|
80 | /**
|
---|
81 | * @return the range defining this NumberValueSet.
|
---|
82 | */
|
---|
83 | public @NonNull Range getRange() {
|
---|
84 | return range;
|
---|
85 |
|
---|
86 | }
|
---|
87 |
|
---|
88 | @Override
|
---|
89 | public @NonNull NumberValue get(@NonNull BigInteger index) {
|
---|
90 | if (index.compareTo(size()) > 0)
|
---|
91 | throw new IndexOutOfBoundsException("" + index);
|
---|
92 | return new NumberValue(range.get(index));
|
---|
93 | }
|
---|
94 |
|
---|
95 | @Override
|
---|
96 | public @NonNull BigInteger size() {
|
---|
97 | return range.size();
|
---|
98 | }
|
---|
99 |
|
---|
100 | @Override
|
---|
101 | //#PY # not needed, BigInteger and long are both int in python.
|
---|
102 | public @NonNull NumberValue get(long index) {
|
---|
103 | return get(BigInteger.valueOf(index));
|
---|
104 | }
|
---|
105 |
|
---|
106 | @Override
|
---|
107 | public @NonNull Iterator<Value> iterator() {
|
---|
108 | return new NumberValueIterator(range);
|
---|
109 | }
|
---|
110 |
|
---|
111 | @Override
|
---|
112 | public @NonNull String toString() {
|
---|
113 | return "numberValueSet[" + range.getLow().toString() + ","
|
---|
114 | + range.getHigh().toString() + "," + range.getStep().toString()
|
---|
115 | + "]";
|
---|
116 | }
|
---|
117 |
|
---|
118 | @Override
|
---|
119 | public int hashCode() {
|
---|
120 | final int prime = 31;
|
---|
121 | int result = 1;
|
---|
122 | result = prime * result + ((range == null) ? 0 : range.hashCode());
|
---|
123 | return result;
|
---|
124 | }
|
---|
125 |
|
---|
126 | @Override
|
---|
127 | public boolean equals(Object obj) {
|
---|
128 | if (this == obj)
|
---|
129 | return true;
|
---|
130 | if (obj == null)
|
---|
131 | return false;
|
---|
132 | if (getClass() != obj.getClass())
|
---|
133 | return false;
|
---|
134 | NumberValueSet other = (NumberValueSet) obj;
|
---|
135 | if (range == null) {
|
---|
136 | if (other.range != null)
|
---|
137 | return false;
|
---|
138 | } else if (!range.equals(other.range))
|
---|
139 | return false;
|
---|
140 | return true;
|
---|
141 | }
|
---|
142 |
|
---|
143 | @Override
|
---|
144 | public boolean contains(@NonNull Value value) {
|
---|
145 | if (!(value instanceof NumberValue))
|
---|
146 | return false;
|
---|
147 | return range.contains(((NumberValue) value).getValue());
|
---|
148 | }
|
---|
149 | }
|
---|