source: java2python/geniuswebtranslator/geniuswebsrc/geniusweb/issuevalue/NumberValue.java@ 831

Last change on this file since 831 was 804, checked in by wouter, 7 months ago

#278 added NonNull annotation in many places in the geniusweb code

File size: 1.7 KB
RevLine 
[519]1package geniusweb.issuevalue;
2
3import java.math.BigDecimal;
4
[804]5import org.eclipse.jdt.annotation.NonNull;
6
[519]7import com.fasterxml.jackson.annotation.JsonValue;
8
9/**
10 * A value containing a number, that should be in some {@link NumberValueSet}.
11 * immutable
12 */
13public class NumberValue implements Value {
[526]14 // deserializes nicely but needs custom deserializer.
[804]15 private final @NonNull BigDecimal value;
[519]16
[804]17 @SuppressWarnings("unused")
18 public NumberValue(@NonNull String vnew) {
19 if (vnew == null)
20 throw new NullPointerException("value must be not null");
[519]21 this.value = new BigDecimal(vnew);
22 }
23
[804]24 @SuppressWarnings("unused")
25 public NumberValue(@NonNull BigDecimal vnew) {
26 if (vnew == null)
27 throw new NullPointerException("value must be not null");
[519]28 this.value = vnew;
29 }
30
[804]31 @Override
[526]32 @JsonValue
[804]33 public @NonNull BigDecimal getValue() {
[519]34 return value;
35 }
36
37 @Override
[804]38 public @NonNull String toString() {
[519]39 return value.toString();
40 }
41
42 @Override
43 public int hashCode() {
44 // WORKAROUND FOR BigDecimal hashCode. NOT auto generated.
45 // Very large numbers and numbers that differ only in a fraction
46 // beyond reach of double may get the same hashcode,
47 // but this is not an issue as equal hashcode only indicates that
48 // numbers MAY be equal.
49 return Double.hashCode(value.doubleValue());
50 }
51
52 @Override
53 public boolean equals(Object obj) {
54 if (this == obj)
55 return true;
56 if (obj == null)
57 return false;
58 if (getClass() != obj.getClass())
59 return false;
60 NumberValue other = (NumberValue) obj;
61 if (value == null) {
62 if (other.value != null)
63 return false;
64 } else if (value.compareTo(other.value) != 0)
65 // MANUAL FIX, DO NOT USE value.equals
66 return false;
67 return true;
68 }
69
70}
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