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comparison artifacts/src/main/java/org/dive4elements/river/artifacts/model/DateRange.java @ 9214:091fd9676496

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Made DateRange class immutable
author gernotbelger
date Tue, 03 Jul 2018 14:26:56 +0200
parents 9b4f5e61c02e
children
comparison
equal deleted inserted replaced
9213:e3d23e1288bb 9214:091fd9676496
11 import java.io.Serializable; 11 import java.io.Serializable;
12 import java.util.Date; 12 import java.util.Date;
13 13
14 import org.dive4elements.artifacts.common.utils.DateUtils; 14 import org.dive4elements.artifacts.common.utils.DateUtils;
15 15
16 public class DateRange 16 public class DateRange implements Serializable {
17 implements Serializable
18 {
19 private static final long serialVersionUID = -2553914795388094818L; 17 private static final long serialVersionUID = -2553914795388094818L;
20 18
21 protected Date from; 19 private final Date from;
22 protected Date to; 20 private final Date to;
23 21
24 public DateRange(final Date from, final Date to) { 22 public DateRange(final Date from, final Date to) {
25 this.from = from; 23 this.from = from;
26 this.to = to; 24 this.to = to;
27 } 25 }
28 26
29 public Date getFrom() { 27 public Date getFrom() {
30 return this.from; 28 return this.from;
31 } 29 }
32 30
33 public void setFrom(final Date from) {
34 this.from = from;
35 }
36
37 public Date getTo() { 31 public Date getTo() {
38 return this.to; 32 return this.to;
39 } 33 }
40 34
41 public void setTo(final Date to) { 35 private static final boolean equalDates(final Date a, final Date b) {
42 this.to = to; 36 if (a == null && b != null)
43 } 37 return false;
44 38
45 private static final boolean equalDates(final Date a, final Date b) { 39 if (a != null && b == null)
46 if (a == null && b != null) return false; 40 return false;
47 if (a != null && b == null) return false; 41
48 if (a == null) return true; 42 if (a == null)
43 return true;
44
49 return a.equals(b); 45 return a.equals(b);
50 } 46 }
51 47
52 @Override 48 @Override
53 public boolean equals(final Object other) { 49 public boolean equals(final Object other) {
54 if (!(other instanceof DateRange)) { 50 if (!(other instanceof DateRange))
55 return false; 51 return false;
56 } 52
57 final DateRange o = (DateRange)other; 53 final DateRange o = (DateRange) other;
58 return equalDates(this.from, o.from) && equalDates(this.to, o.to); 54 return equalDates(this.from, o.from) && equalDates(this.to, o.to);
59 } 55 }
60 56
61 public int getFromYear() { 57 public int getFromYear() {
62 return DateUtils.getYearFromDate(this.from); 58 return DateUtils.getYearFromDate(this.from);
64 60
65 public int getToYear() { 61 public int getToYear() {
66 return DateUtils.getYearFromDate(this.to); 62 return DateUtils.getYearFromDate(this.to);
67 } 63 }
68 } 64 }
69 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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