1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
package de.lmu.ifi.dbs.elki.utilities.datastructures.arraylike;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2015
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Subset array adapter (allows reordering and projection)
*
* @author Erich Schubert
* @since 0.4.0
*
* @param <T> Entry type
* @param <A> Array type
*/
public class SubsetNumberArrayAdapter<T extends Number, A> implements NumberArrayAdapter<T, A> {
/**
* Wrapped adapter
*/
NumberArrayAdapter<T, ? super A> wrapped;
/**
* Offsets to return
*/
int[] offs;
/**
* Constructor.
*
* @param wrapped Wrapped adapter
* @param offs Offsets
*/
public SubsetNumberArrayAdapter(NumberArrayAdapter<T, ? super A> wrapped, int[] offs) {
super();
this.wrapped = wrapped;
this.offs = offs;
}
@Override
public int size(A array) {
return offs.length;
}
@Override
public T get(A array, int off) throws IndexOutOfBoundsException {
return wrapped.get(array, offs[off]);
}
@Override
public double getDouble(A array, int off) throws IndexOutOfBoundsException {
return wrapped.getDouble(array, offs[off]);
}
@Override
public float getFloat(A array, int off) throws IndexOutOfBoundsException {
return wrapped.getFloat(array, offs[off]);
}
@Override
public int getInteger(A array, int off) throws IndexOutOfBoundsException {
return wrapped.getInteger(array, offs[off]);
}
@Override
public short getShort(A array, int off) throws IndexOutOfBoundsException {
return wrapped.getShort(array, offs[off]);
}
@Override
public long getLong(A array, int off) throws IndexOutOfBoundsException {
return wrapped.getLong(array, offs[off]);
}
@Override
public byte getByte(A array, int off) throws IndexOutOfBoundsException {
return wrapped.getByte(array, offs[off]);
}
}
|
