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1 package com.db4o.f1.chapter5;
2
3 import java.util.*;
4
5 public class SensorReadout {
6 private Date time;
7 private Car car;
8 private String  description;
9 private SensorReadout next;
10
11 protected SensorReadout(Date time,Car car,String description) {
12 this.time=time;
13 this.car=car;
14 this.description=description;
15 this.next=null;
16 }
17
18 public Car getCar() {
19 return car;
20 }
21
22 public Date getTime() {
23 return time;
24 }
25
26 public String getDescription() {
27 return description;
28 }
29
30 public SensorReadout getNext() {
31 return next;
32 }
33
34 public void append(SensorReadout readout) {
35 if(next==null) {
36 next=readout;
37 }
38 else {
39 next.append(readout);
40 }
41 }
42
43 public int countElements() {
44 return (next==null ? 1 : next.countElements()+1);
45 }
46
47 public String toString() {
48 return car+" : "+time+" : "+description;
49 }
50 } |
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Java API By Example, From Geeks To Geeks.