Autopsy  4.19.3
Graphical digital forensics platform for The Sleuth Kit and other tools.
MappedList.java
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5  */
6 
7 package org.sleuthkit.autopsy.timeline.utils;
8 
9 import java.util.ArrayList;
10 import java.util.List;
11 import java.util.function.Function;
12 import javafx.collections.ListChangeListener;
13 import javafx.collections.ObservableList;
14 import javafx.collections.transformation.TransformationList;
15 
19 public class MappedList<E, F> extends TransformationList<E, F> {
20  private final Function<F, E> mapper;
21 
22  public MappedList(ObservableList<? extends F> source, Function<F, E> mapper) {
23  super(source);
24  this.mapper = mapper;
25  }
26 
27  @Override
28  public int getSourceIndex(int index) {
29  return index;
30  }
31 
32  @Override
33  public E get(int index) {
34  return mapper.apply(getSource().get(index));
35  }
36 
37  @Override
38  public int size() {
39  return getSource().size();
40  }
41 
42  @Override
43  protected void sourceChanged(ListChangeListener.Change<? extends F> c) {
44  fireChange(new ListChangeListener.Change<E>(this) {
45  @Override
46  public boolean wasAdded() {
47  return c.wasAdded();
48  }
49 
50  @Override
51  public boolean wasRemoved() {
52  return c.wasRemoved();
53  }
54 
55  @Override
56  public boolean wasReplaced() {
57  return c.wasReplaced();
58  }
59 
60  @Override
61  public boolean wasUpdated() {
62  return c.wasUpdated();
63  }
64 
65  @Override
66  public boolean wasPermutated() {
67  return c.wasPermutated();
68  }
69 
70  @Override
71  public int getPermutation(int i) {
72  return c.getPermutation(i);
73  }
74 
75  @Override
76  protected int[] getPermutation() {
77  // This method is only called by the superclass methods
78  // wasPermutated() and getPermutation(int), which are
79  // both overriden by this class. There is no other way
80  // this method can be called.
81  throw new AssertionError("Unreachable code");
82  }
83 
84  @Override
85  public List<E> getRemoved() {
86  ArrayList<E> res = new ArrayList<>(c.getRemovedSize());
87  for (F e : c.getRemoved()) {
88  res.add(mapper.apply(e));
89  }
90  return res;
91  }
92 
93  @Override
94  public int getFrom() {
95  return c.getFrom();
96  }
97 
98  @Override
99  public int getTo() {
100  return c.getTo();
101  }
102 
103  @Override
104  public boolean next() {
105  return c.next();
106  }
107 
108  @Override
109  public void reset() {
110  c.reset();
111  }
112  });
113  }
114 
115 }
MappedList(ObservableList<?extends F > source, Function< F, E > mapper)
Definition: MappedList.java:22
void sourceChanged(ListChangeListener.Change<?extends F > c)
Definition: MappedList.java:43

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