blob: e04027d0d1b8aec72e8cf4bbf6613fa83613ad66 (
plain)
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
97
98
99
100
101
102
103
104
|
package de.lmu.ifi.dbs.elki.database.datastore.memory;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2012
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/>.
*/
import gnu.trove.map.TIntObjectMap;
import gnu.trove.map.hash.TIntObjectHashMap;
import de.lmu.ifi.dbs.elki.database.datastore.WritableDataStore;
import de.lmu.ifi.dbs.elki.database.ids.DBIDRef;
/**
* A class to answer representation queries using a map. Basically, it is just a
* wrapper around a regular map.
*
* @author Erich Schubert
*
* @param <T> Representation object type
*/
public class MapIntegerDBIDStore<T> implements WritableDataStore<T> {
/**
* Storage Map
*/
private TIntObjectMap<T> data;
/**
* Constructor.
*
* @param data Existing map
*/
public MapIntegerDBIDStore(TIntObjectMap<T> data) {
super();
this.data = data;
}
/**
* Constructor.
*/
public MapIntegerDBIDStore() {
super();
this.data = new TIntObjectHashMap<T>();
}
/**
* Constructor.
*
* @param size Expected size
*/
public MapIntegerDBIDStore(int size) {
this.data = new TIntObjectHashMap<T>(size);
}
@Override
public T get(DBIDRef id) {
return data.get(id.getIntegerID());
}
@Override
public T put(DBIDRef id, T value) {
if(value == null) {
return data.remove(id.getIntegerID());
}
return data.put(id.getIntegerID(), value);
}
@Override
public void destroy() {
data = null;
}
@Override
public void delete(DBIDRef id) {
data.remove(id.getIntegerID());
}
@Override
public String getLongName() {
return "raw";
}
@Override
public String getShortName() {
return "raw";
}
}
|
